CVE-2026-58426 Gitea Actions Artifacts V4 signed URL HMAC ambiguity allows cross-repository artifact read and cross-task upload-state write

Gitea Actions Artifacts V4 signed URL HMAC ambiguity allows cross-repository artifact read and cross-task upload-state write...

PT-2026-55658

Name of the Vulnerable Software and Affected Versions Gitea affected versions not specified Description An HMAC ambiguity in Gitea Actions Artifacts V4 signed URLs allows for cross-repository artifact reading and cross-task upload-state writing. HMAC Hash-based Message Authentication Code is a...