fix(cve): CVE-2026-33186 - gRPC-Go authorization bypass (release-v0.6.0)#989
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infernus01 merged 1 commit intoJun 2, 2026
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- Update google.golang.org/grpc from v1.71.1 to v1.79.3 - Fixes authorization bypass via missing leading slash in :path (GO-2026-4762) - Required bumping go directive from 1.23.0 → 1.24.0 (grpc v1.79.3 minimum) - Transitive deps updated: x/net, x/oauth2, x/sync, x/sys, x/term, x/text, x/tools Resolves: SRVKP-11722, SRVKP-11723 Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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CVE Details
Note on Jira tickets: SRVKP-11722 and SRVKP-11723 track CVE-2026-40938. CVE-2026-40938 is not registered in the Go vulnerability database and was not detected by govulncheck. CVE-2026-33186 (gRPC-Go authorization bypass) was confirmed on this branch (grpc v1.71.1) and this PR addresses it. tektoncd/pipeline is being addressed separately in PR #982.
Description
Authorization bypass in gRPC-Go via missing leading slash in
:path. An attacker can bypass authorization checks on gRPC servers.Fix Summary
google.golang.org/grpcfromv1.71.1→v1.79.3toolchain go1.23.8→toolchain go1.24.0go mod tidy && go mod verify && go mod vendor— all passed ✅Test Results
Status: ✅ PASSED (5 packages)
Breaking Changes
Go directive bumped from 1.23.0 → 1.24.0. Build and test toolchains should be updated accordingly.
Jira References
SRVKP-11722, SRVKP-11723
Verification Steps
go.mod:go 1.24.0andgoogle.golang.org/grpc v1.79.3Risk Assessment
Medium — Security-critical gRPC upgrade. The Go 1.23 → 1.24 bump is backwards-compatible but CI toolchains must be updated.
🤖 Generated with Claude Code