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chore(all): update module go.opentelemetry.io/otel/sdk to v1.43.0 [SECURITY]#679

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chore(all): update module go.opentelemetry.io/otel/sdk to v1.43.0 [SECURITY]#679
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@renovate-bot renovate-bot commented Apr 1, 2026 •
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ℹ️ Note

This PR body was truncated due to platform limits.

This PR contains the following updates:

Package Change Age Confidence
go.opentelemetry.io/otel/sdk v1.34.0 → v1.43.0 age confidence

Warning

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

GitHub Vulnerability Alerts

CVE-2026-24051

Impact

The OpenTelemetry Go SDK in version v1.20.0-1.39.0 is vulnerable to Path Hijacking (Untrusted Search Paths) on macOS/Darwin systems. The resource detection code in sdk/resource/host_id.go executes the ioreg system command using a search path. An attacker with the ability to locally modify the PATH environment variable can achieve Arbitrary Code Execution (ACE) within the context of the application.

Patches

This has been patched in d45961b, which was released with v1.40.0.

References

CVE-2026-39883

Summary

The fix for GHSA-9h8m-3fm2-qjrq (CVE-2026-24051) changed the Darwin ioreg command to use an absolute path but left the BSD kenv command using a bare name, allowing the same PATH hijacking attack on BSD and Solaris platforms.

Root Cause

sdk/resource/host_id.go line 42:

if result, err := r.execCommand("kenv", "-q", "smbios.system.uuid"); err == nil {

Compare with the fixed Darwin path at line 58:

result, err := r.execCommand("/usr/sbin/ioreg", "-rd1", "-c", "IOPlatformExpertDevice")

The execCommand helper at sdk/resource/host_id_exec.go uses exec.Command(name, arg...) which searches $PATH when the command name contains no path separator.

Affected platforms (per build tag in host_id_bsd.go:4): DragonFly BSD, FreeBSD, NetBSD, OpenBSD, Solaris.

The kenv path is reached when /etc/hostid does not exist (line 38-40), which is common on FreeBSD systems.

Attack

  1. Attacker has local access to a system running a Go application that imports go.opentelemetry.io/otel/sdk
  2. Attacker places a malicious kenv binary earlier in $PATH
  3. Application initializes OpenTelemetry resource detection at startup
  4. hostIDReaderBSD.read() calls exec.Command("kenv", ...) which resolves to the malicious binary
  5. Arbitrary code executes in the context of the application

Same attack vector and impact as CVE-2026-24051.

Suggested Fix

Use the absolute path:

if result, err := r.execCommand("/bin/kenv", "-q", "smbios.system.uuid"); err == nil {

On FreeBSD, kenv is located at /bin/kenv.

Release Notes

open-telemetry/opentelemetry-go (go.opentelemetry.io/otel/sdk)

v1.43.0: /v0.65.0/v0.19.0

Compare Source

Added

  • Add IsRandom and WithRandom on TraceFlags, and IsRandom on SpanContext in go.opentelemetry.io/otel/trace
    for W3C Trace Context Level 2 Random Trace ID Flag support. (#​8012)
  • Add service detection with WithService in go.opentelemetry.io/otel/sdk/resource. (#​7642)
  • Add DefaultWithContext and EnvironmentWithContext in go.opentelemetry.io/otel/sdk/resource to support plumbing context.Context through default and environment detectors. (#​8051)
  • Support attributes with empty value (attribute.EMPTY) in go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc. (#​8038)
  • Support attributes with empty value (attribute.EMPTY) in go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetricgrpc. (#​8038)
  • Support attributes with empty value (attribute.EMPTY) in go.opentelemetry.io/otel/exporters/otlp/otlplog/otlploggrpc. (#​8038)
  • Support attributes with empty value (attribute.EMPTY) in go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracehttp. (#​8038)
  • Support attributes with empty value (attribute.EMPTY) in go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetrichttp. (#​8038)
  • Support attributes with empty value (attribute.EMPTY) in go.opentelemetry.io/otel/exporters/otlp/otlplog/otlploghttp. (#​8038)
  • Support attributes with empty value (attribute.EMPTY) in go.opentelemetry.io/otel/sdk/metric/metricdata/metricdatatest. (#​8038)
  • Add support for per-series start time tracking for cumulative metrics in go.opentelemetry.io/otel/sdk/metric.
    Set OTEL_GO_X_PER_SERIES_START_TIMESTAMPS=true to enable. (#​8060)
  • Add WithCardinalityLimitSelector for metric reader for configuring cardinality limits specific to the instrument kind. (#​7855)

Changed

  • Introduce the EMPTY Type in go.opentelemetry.io/otel/attribute to reflect that an empty value is now a valid value, with INVALID remaining as a deprecated alias of EMPTY. (#​8038)
  • Refactor slice handling in go.opentelemetry.io/otel/attribute to optimize short slice values with fixed-size fast paths. (#​8039)
  • Improve performance of span metric recording in go.opentelemetry.io/otel/sdk/trace by returning early if self-observability is not enabled. (#​8067)
  • Improve formatting of metric data diffs in go.opentelemetry.io/otel/sdk/metric/metricdata/metricdatatest. (#​8073)

Deprecated

  • Deprecate INVALID in go.opentelemetry.io/otel/attribute. Use EMPTY instead. (#​8038)

Fixed

  • Return spec-compliant TraceIdRatioBased description. This is a breaking behavioral change, but it is necessary to
    make the implementation spec-compliant. (#​8027)
  • Fix a race condition in go.opentelemetry.io/otel/sdk/metric where the lastvalue aggregation could collect the value 0 even when no zero-value measurements were recorded. (#​8056)
  • Limit HTTP response body to 4 MiB in go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracehttp to mitigate excessive memory usage caused by a misconfigured or malicious server.
    Responses exceeding the limit are treated as non-retryable errors. (#​8108)
  • Limit HTTP response body to 4 MiB in go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetrichttp to mitigate excessive memory usage caused by a misconfigured or malicious server.
    Responses exceeding the limit are treated as non-retryable errors. (#​8108)
  • Limit HTTP response body to 4 MiB in go.opentelemetry.io/otel/exporters/otlp/otlplog/otlploghttp to mitigate excessive memory usage caused by a misconfigured or malicious server.
    Responses exceeding the limit are treated as non-retryable errors. (#​8108)
  • WithHostID detector in go.opentelemetry.io/otel/sdk/resource to use full path for kenv command on BSD. (#​8113)
  • Fix missing request.GetBody in go.opentelemetry.io/otel/exporters/otlp/otlplog/otlploghttp to correctly handle HTTP2 GOAWAY frame. (#​8096)

What's Changed

New Contributors

Full Changelog: open-telemetry/opentelemetry-go@v1.42.0...v1.43.0

v1.42.0: /v0.64.0/v0.18.0/v0.0.16

Compare Source

Added
  • Add go.opentelemetry.io/otel/semconv/v1.40.0 package.
    The package contains semantic conventions from the v1.40.0 version of the OpenTelemetry Semantic Conventions.
    See the migration documentation for information on how to upgrade from go.opentelemetry.io/otel/semconv/v1.39.0. (#​7985)
  • Add Err and SetErr on Record in go.opentelemetry.io/otel/log to attach an error and set record exception attributes in go.opentelemetry.io/otel/log/sdk. (#​7924)
Changed
  • TracerProvider.ForceFlush in go.opentelemetry.io/otel/sdk/trace joins errors together and continues iteration through SpanProcessors as opposed to returning the first encountered error without attempting exports on subsequent SpanProcessors. (#​7856)
Fixed
  • Fix missing request.GetBody in go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetrichttp to correctly handle HTTP2 GOAWAY frame. (#​7931)
  • Fix semconv v1.39.0 generated metric helpers skipping required attributes when extra attributes were empty. (#​7964)
  • Preserve W3C TraceFlags bitmask (including the random Trace ID flag) during trace context extraction and injection in go.opentelemetry.io/otel/propagation. (#​7834)
Removed
  • Drop support for [Go 1.24]. (#​7984)

What's Changed

New Contributors

Full Changelog: open-telemetry/opentelemetry-go@v1.41.0...v1.42.0

v1.41.0: /v0.63.0/v0.17.0/v0.0.15

Compare Source

This release is the last to support Go 1.24. The next release will require at least Go 1.25.

Added
Fixed
  • Update Baggage in go.opentelemetry.io/otel/propagation and Parse and New in go.opentelemetry.io/otel/baggage to comply with W3C Baggage specification limits. New and Parse now return partial baggage along with an error when limits are exceeded. Errors from baggage extraction are reported to the global error handler. (#​7880)

What's Changed

Configuration

📅 Schedule: (UTC)

  • Branch creation
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  • Automerge
    • At any time (no schedule defined)

🚦 Automerge: Disabled by config. Please merge this manually once you are satisfied.

♻ Rebasing: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this PR and you won't be reminded about this update again.

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forking-renovate bot commented Apr 1, 2026 •
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⚠️ Artifact update problem

Renovate failed to update an artifact related to this branch. You probably do not want to merge this PR as-is.

♻ Renovate will retry this branch, including artifacts, only when one of the following happens:

  • any of the package files in this branch needs updating, or
  • the branch becomes conflicted, or
  • you click the rebase/retry checkbox if found above, or
  • you rename this PR's title to start with "rebase!" to trigger it manually

The artifact failure details are included below:

File name: go.sum
Command failed: go mod tidy
go: downloading google.golang.org/grpc/cmd/protoc-gen-go-grpc v1.5.1
go: downloading github.com/stretchr/testify v1.11.1
go: downloading github.com/dustin/go-humanize v1.0.1
go: downloading github.com/pbnjay/memory v0.0.0-20210728143218-7b4eea64cf58
go: downloading github.com/pmezard/go-difflib v1.0.1-0.20181226105442-5d4384ee4fb2
go: downloading modernc.org/ccorpus2 v1.2.0
go: downloading gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c
go: downloading github.com/GoogleCloudPlatform/opentelemetry-operations-go/internal/cloudmock v0.49.0
go: downloading go.uber.org/goleak v1.3.0
go: downloading github.com/go-test/deep v1.1.0
go: downloading github.com/frankban/quicktest v1.14.6
go: downloading github.com/cenkalti/backoff/v4 v4.3.0
go: downloading github.com/openconfig/grpctunnel v0.1.0
go: downloading github.com/gorilla/mux v1.8.1
go: downloading github.com/h-fam/errdiff v1.0.2
go: downloading github.com/golang/groupcache v0.0.0-20241129210726-2c02b8208cf8
go: downloading github.com/onsi/ginkgo/v2 v2.14.0
go: downloading github.com/onsi/ginkgo v1.16.5
go: downloading github.com/onsi/gomega v1.30.0
go: downloading k8s.io/apiextensions-apiserver v0.29.3
go: downloading cloud.google.com/go/kms v1.20.5
go: downloading go.einride.tech/aip v0.68.0
go: downloading github.com/go-logr/zapr v1.3.0
go: downloading go.uber.org/zap v1.26.0
go: downloading github.com/armon/go-socks5 v0.0.0-20160902184237-e75332964ef5
go: downloading github.com/go-task/slim-sprig v0.0.0-20230315185526-52ccab3ef572
go: downloading golang.org/x/tools v0.36.0
go: downloading github.com/google/pprof v0.0.0-20221118152302-e6195bd50e26
go: finding module for package go.opentelemetry.io/otel/sdk/internal/internaltest
go: downloading go.opentelemetry.io v0.1.0
go: github.com/openconfig/lemming/internal/telemetry imports
	go.opentelemetry.io/otel/sdk/log tested by
	go.opentelemetry.io/otel/sdk/log.test imports
	go.opentelemetry.io/otel/sdk/internal/internaltest: module go.opentelemetry.io/otel/sdk@latest found (v1.43.0), but does not contain package go.opentelemetry.io/otel/sdk/internal/internaltest

@renovate-bot renovate-bot requested a review from a team as a code owner April 1, 2026 21:07
@renovate-bot renovate-bot force-pushed the renovate/go-go.opentelemetry.io-otel-sdk-vulnerability branch from 1f6fa88 to 7232e4d Compare April 8, 2026 20:42
@renovate-bot renovate-bot changed the title chore(all): update module go.opentelemetry.io/otel/sdk to v1.40.0 [SECURITY] chore(all): update module go.opentelemetry.io/otel/sdk to v1.43.0 [SECURITY] Apr 8, 2026
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