PatchTheCVECVE-2026-89430: Gitea validated a push mirror's remote address against the `[migrations]` allow and block lists only when the
CVE-2026-89430 is a high-severity flaw (CVSS 8.1) affecting gitea. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
Gitea validated a push mirror's remote address against the `[migrations]` allow and block lists only when the mirror was created. Each synchronization passed the stored address directly to `git push`, so a name that later resolved to a blocked or internal address was still reached. A user with administrator access to a repository, which includes repositories they create themselves, could aim push mirror synchronization at internal Git services an
Why this priority
- High severity
A fixed release or distro patch exists.
Last updated 2026-10-13 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2026-89430?
gitea: upgrade to 28.0.0. Exact commands for each OS are on this page.
Is CVE-2026-89430 being exploited?
CVE-2026-89430 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2026-89430 affect?
CVE-2026-89430 affects gitea. Severity is high (CVSS 8.1). Gitea validated a push mirror's remote address against the `[migrations]` allow and block lists only when the mirror was created. Each synchronization passed the stored address directly to `git push`, so a name that later resolved to a bloc
How urgent is CVE-2026-89430?
Priority 33/100. High severity
Software pages
Git vulnerabilities · Gitea vulnerabilities
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