CVE-2026-89430 — Gitea push mirror SSRF and forced writes to internal Git hosts
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 …
Published: 2026-10-06 · CVSS: 8.1 · CVSS 3.1
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 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 and force-push the repository's contents to them.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7