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  5. CVE-2026-52806

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

June 23, 2026 (updated July 10, 2026)

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.

References

  • github.com/advisories/GHSA-qf6p-p7ww-cwr9
  • github.com/gogs/gogs/commit/a9dbafbfd8e1020bacc626420238c01d75d03364
  • github.com/gogs/gogs/pull/8301
  • github.com/gogs/gogs/releases/tag/v0.14.3
  • github.com/gogs/gogs/security/advisories/GHSA-qf6p-p7ww-cwr9
  • nvd.nist.gov/vuln/detail/CVE-2026-52806

Code Behaviors & Features

Detect and mitigate CVE-2026-52806 with GitLab Dependency Scanning

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Affected versions

All versions before 0.14.3

Fixed versions

  • 0.14.3

Solution

Upgrade to version 0.14.3 or above.

Impact 9.9 CRITICAL

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Learn more about CVSS

Weakness

  • CWE-77: Improper Neutralization of Special Elements used in a Command ('Command Injection')

Source file

go/gogs.io/gogs/CVE-2026-52806.yml

Spotted a mistake? Edit the file on GitLab.

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