[release-v0.45.x] Security: Fix stdlib CVEs (go1.26.6) and sigstore-go v1.2.0 - #3134
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- Bump go directive from 1.26.5 to 1.26.6 to fix stdlib CVEs: - GO-2026-6218 (net/url quadratic complexity) - GO-2026-6090 (crypto/tls post-handshake messages) - GO-2026-5972 (encoding/asn1 max recursion depth) - GO-2026-5026 (net/http Punycode-encoded labels) - Bump github.com/sigstore/sigstore-go v1.1.4 → v1.2.0 - Fixes GO-2026-5952: multi-log threshold bypass (CVE-2026-49834) - Run go mod tidy, go mod verify, go mod vendor Resolves: SRVKP-13176 Co-Assisted-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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Changes
Security dependency updates for release-v0.45.x addressing vulnerabilities confirmed by govulncheck:
1. Bump Go stdlib:
go 1.26.5→go 1.26.6net/url.resolvePathcrypto/tlsencoding/asn1net/http2. Bump
github.com/sigstore/sigstore-gov1.1.4 → v1.2.0Related Jira ticket: SRVKP-13176 (FedRAMP compliance scan — pipelines-cli-tkn-rhel9)
Existing PR for grpc fix on this branch: #3131
Submitter Checklist
go mod tidy && go mod verify && go mod vendorall passedmake generated(not applicable for dependency-only update)govulncheck Results (Post-Fix)
Scanned with
GOTOOLCHAIN=go1.26.6 govulncheck@v1.7.0(2026-08-13 DB):Resolved:
Remaining (no fix available):
Unit Test Results
Release Notes