Security: Fix CVE-2026-32282 (Go stdlib os.Root.Chmod) SRVKP-11615#2879
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- Update Go from 1.25.8 to 1.25.9 - Addresses TOCTOU race in os.Root.Chmod that allows symlink traversal - Also fixes CVE-2026-32283 (crypto/tls DoS) and CVE-2026-32281 (crypto/x509 DoS) included in Go 1.25.9 security release Resolves: SRVKP-11615 Co-Authored-By: Claude Sonnet 4.6 (1M context) <noreply@anthropic.com>
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Summary
This PR fixes CVE-2026-32282 by upgrading Go from 1.25.8 to 1.25.9.
CVE Details
os.Root.Chmod,internal/syscall/unix.Fchmodat)os.Root.Chmodallows symlink traversal and unauthorized permission changes outside a restricted directory on Linux. The Linuxfchmodatsyscall silently ignoresAT_SYMLINK_NOFOLLOW.Additional CVEs Fixed by Go 1.25.9
This Go version bump also resolves:
Changes
go.mod: Updatedgo 1.25.8→go 1.25.9go mod tidy && go mod verify && go mod vendorTest Results
Status: ✅ All tests passed
Test command:
go test ./...Result: PASSED
Duration: ~3 minutes
All packages passed, including:
github.com/tektoncd/cli/pkg/pods(8s)github.com/tektoncd/cli/pkg/pipelinerun(4s)github.com/tektoncd/cli/pkg/trustedresources(1s)Breaking Changes
None. This is a Go patch-level update within the same minor line (1.25.x).
Testing Checklist
go test ./...passedgo mod tidypassedgo mod verifypassedgo mod vendorpassedRisk Assessment
🤖 Generated by CVE Fixer Workflow