The `GITEA_TOKEN` of a Gitea Actions job authenticates as the `gitea-actions` system user, and the `/api/v1/user` email and GPG key endpoints accepted that user, so a job could register an email address and a GPG key on it; without required email confirmation (the default) the address is stored as activated. Commit verification treats a key without a real owner as the instance signing key, so any user who can run a workflow job could make commits signed with their own key show as trusted and signed by the instance in every repository where they appear, including pull requests to repositories the user cannot write to. The impact is limited to the displayed signature status: enforcement such as required signed commits only checks that a signature is verified and is unaffected, and no access is gained. The `/api/v1/user` routes now reject system users.

Project Subscriptions

No data.

Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Sun, 01 Nov 2026 10:00:00 +0000

Type Values Removed Values Added
Description The `GITEA_TOKEN` of a Gitea Actions job authenticates as the `gitea-actions` system user, and the `/api/v1/user` email and GPG key endpoints accepted that user, so a job could register an email address and a GPG key on it; without required email confirmation (the default) the address is stored as activated. Commit verification treats a key without a real owner as the instance signing key, so any user who can run a workflow job could make commits signed with their own key show as trusted and signed by the instance in every repository where they appear, including pull requests to repositories the user cannot write to. The impact is limited to the displayed signature status: enforcement such as required signed commits only checks that a signature is verified and is unaffected, and no access is gained. The `/api/v1/user` routes now reject system users.
Title Gitea Actions job token spoofing of instance-signed commits
Weaknesses CWE-347
References

Projects

Sign in to view the affected projects.

cve-icon MITRE

Status: PUBLISHED

Assigner: Gitea

Published:

Updated: 2026-11-01T09:48:38.763Z

Reserved: 2026-11-01T08:50:49.248Z

Link: CVE-2026-116474

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Deferred

Published: 2026-11-01T10:18:35.170

Modified: 2026-11-01T10:18:35.283

Link: CVE-2026-116474

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-11-01T11:30:06Z

Weaknesses