{"id":"CVE-2026-104633","aliases":["BIT-gitea-2026-104633","EUVD-2026-94062","GHSA-jj5r-9rpc-8h6h"],"status":"published","title":"Gitea migration memory exhaustion from zero page size","description":"When migrating a repository from another Gitea instance, Gitea used the page size reported in the source server's API settings to end its paginated downloads. A source that reported `max_response_items` as `0` made these loops run indefinitely and grow server memory until it was exhausted. Any user who can migrate repositories could point a migration at a server they control and cause a denial of service.","severity":{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-12","score":0.00397,"percentile":0.34432,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-400","CWE-835"],"published":"2026-10-06T21:35:26Z","modified":"2026-10-28T02:30:40Z","fixes":[{"ecosystem":"Bitnami","package":"gitea","fixed_in":["28.1.0"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Bitnami","package":"gitea","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"28.1.0"}]}]}],"products":[{"vendor":"gitea","product":"gitea"}],"references":[{"url":"https://github.com/go-gitea/gitea/security/advisories/GHSA-jj5r-9rpc-8h6h","tags":["vendor-advisory","Vendor Advisory","advisory"]},{"url":"https://github.com/go-gitea/gitea/pull/39501","tags":["patch","Patch","fix"]},{"url":"https://github.com/go-gitea/gitea/pull/39507","tags":["patch","Patch","fix"]},{"url":"https://blog.gitea.com/release-of-28.1.0/","tags":["release-notes","Release Notes","article","advisory"]},{"url":"https://github.com/go-gitea/gitea/releases/tag/v28.1.0","tags":["release-notes","Release Notes","article","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-104633","tags":["web","advisory"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/104xxx/CVE-2026-104633.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2026-104633","title":"Gitea migration memory exhaustion from zero page size","description":"When migrating a repository from another Gitea instance, Gitea used the page size reported in the source server's API settings to end its paginated downloads. A source that reported `max_response_items` as `0` made these loops run indefinitely and grow server memory until it was exhausted. Any user who can migrate repositories could point a migration at a server they control and cause a denial of service.","status":"published","published":"2026-10-06T21:35:26.516Z","modified":"2026-10-07T15:53:48.55Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"adp"}],"cwes":["CWE-400","CWE-835"],"updated_at":"2026-11-02T14:20:09.098623Z"}],"euvd":[{"id":"EUVD-2026-94062","description":"When migrating a repository from another Gitea instance, Gitea used the page size reported in the source server's API settings to end its paginated downloads. A source that reported `max_response_items` as `0` made these loops run indefinitely and grow server memory until it was exhausted. Any user who can migrate repositories could point a migration at a server they control and cause a denial of service.","status":"published","published":"2026-10-06T21:35:26Z","modified":"2026-10-07T15:53:48Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T17:27:35.164729Z"}],"nvd":[{"id":"CVE-2026-104633","description":"When migrating a repository from another Gitea instance, Gitea used the page size reported in the source server's API settings to end its paginated downloads. A source that reported `max_response_items` as `0` made these loops run indefinitely and grow server memory until it was exhausted. Any user who can migrate repositories could point a migration at a server they control and cause a denial of service.","status":"published","published":"2026-10-06T22:17:01.2Z","modified":"2026-10-13T14:38:56.493Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"secondary"}],"cwes":["CWE-400","CWE-835"],"updated_at":"2026-11-02T14:12:54.809359Z"}],"osv":[{"id":"CVE-2026-104633","title":"Gitea migration memory exhaustion from zero page size","description":"When migrating a repository from another Gitea instance, Gitea used the page size reported in the source server's API settings to end its paginated downloads. A source that reported `max_response_items` as `0` made these loops run indefinitely and grow server memory until it was exhausted. Any user who can migrate repositories could point a migration at a server they control and cause a denial of service.","status":"published","published":"2026-10-06T21:35:26.516Z","modified":"2026-10-28T02:30:40.984742917Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-400","CWE-835"],"updated_at":"2026-11-02T15:44:54.236592Z"},{"id":"BIT-gitea-2026-104633","title":"Gitea migration memory exhaustion from zero page size","description":"When migrating a repository from another Gitea instance, Gitea used the page size reported in the source server's API settings to end its paginated downloads. A source that reported `max_response_items` as `0` made these loops run indefinitely and grow server memory until it was exhausted. Any user who can migrate repositories could point a migration at a server they control and cause a denial of service.","status":"published","published":"2026-10-14T08:42:40.149Z","modified":"2026-10-14T11:10:52.032645864Z","updated_at":"2026-11-02T15:28:29.999658Z"}]}}