{"id":"CVE-2026-89430","aliases":["BIT-gitea-2026-89430","EUVD-2026-93912","GHSA-hcgw-r9gf-8mph"],"status":"published","title":"Gitea push mirror SSRF and forced writes to internal Git hosts","description":"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.","severity":{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N","level":"high","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-10","score":0.00265,"percentile":0.18527,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-367","CWE-918"],"published":"2026-10-06T19:23:52Z","modified":"2026-10-28T02:30:40Z","fixes":[{"ecosystem":"Bitnami","package":"gitea","fixed_in":["28.0.0"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Bitnami","package":"gitea","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"28.0.0"}]}]}],"products":[{"vendor":"gitea","product":"gitea"}],"references":[{"url":"https://github.com/go-gitea/gitea/security/advisories/GHSA-hcgw-r9gf-8mph","tags":["vendor-advisory","Vendor Advisory","advisory"]},{"url":"https://github.com/go-gitea/gitea/pull/39010","tags":["patch","Patch","Issue Tracking","fix"]},{"url":"https://github.com/go-gitea/gitea/pull/39426","tags":["patch","Patch","Issue Tracking","fix"]},{"url":"https://blog.gitea.com/release-of-28.0.0/","tags":["release-notes","Release Notes","article","advisory"]},{"url":"https://github.com/go-gitea/gitea/releases/tag/v28.0.0","tags":["release-notes","Release Notes","article","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-89430","tags":["web","advisory"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/89xxx/CVE-2026-89430.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2026-89430","title":"Gitea push mirror SSRF and forced writes to internal Git hosts","description":"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.","status":"published","published":"2026-10-06T19:23:52.198Z","modified":"2026-10-07T20:16:04.169Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N","level":"high","assessor":"adp"}],"cwes":["CWE-367","CWE-918"],"updated_at":"2026-11-02T14:19:55.176387Z"}],"euvd":[{"id":"EUVD-2026-93912","description":"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.","status":"published","published":"2026-10-06T19:23:52Z","modified":"2026-10-07T20:16:04Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N","level":"high"}],"updated_at":"2026-11-02T17:27:33.904651Z"}],"nvd":[{"id":"CVE-2026-89430","description":"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.","status":"published","published":"2026-10-06T20:17:34.297Z","modified":"2026-10-13T16:46:04.457Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N","level":"high","assessor":"secondary"}],"cwes":["CWE-367","CWE-918"],"updated_at":"2026-11-02T14:12:54.809359Z"}],"osv":[{"id":"CVE-2026-89430","title":"Gitea push mirror SSRF and forced writes to internal Git hosts","description":"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.","status":"published","published":"2026-10-06T19:23:52.198Z","modified":"2026-10-28T02:30:40.515641391Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N","level":"high"}],"cwes":["CWE-367","CWE-918"],"updated_at":"2026-11-02T15:45:19.210277Z"},{"id":"BIT-gitea-2026-89430","title":"Gitea push mirror SSRF and forced writes to internal Git hosts","description":"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.","status":"published","published":"2026-10-14T08:43:06.048Z","modified":"2026-10-14T11:10:59.478375072Z","updated_at":"2026-11-02T15:28:29.999658Z"}]}}