{"id":"CVE-2026-105268","aliases":["BIT-gitea-2026-105268","EUVD-2026-94064","GHSA-96qg-qxxj-r8xq"],"status":"published","title":"Gitea issue attachment API allows changing comment attachments","description":"The Gitea API routes for issue attachments (`/api/v1/repos/{owner}/{repo}/issues/{index}/assets/{attachment_id}`) also accepted attachments that belong to comments on the issue. Because the author of an issue may edit and delete the issue's attachments, a user who opened an issue could rename or delete attachments that other users had posted in comments on that issue. The contents of the attachments could not be changed.","severity":{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","level":"medium","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-12","score":0.00196,"percentile":0.09403,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-639","CWE-863"],"published":"2026-10-06T21:35:40Z","modified":"2026-10-28T02:30:51Z","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-96qg-qxxj-r8xq","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-2026-105268","tags":["web","advisory"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/105xxx/CVE-2026-105268.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2026-105268","title":"Gitea issue attachment API allows changing comment attachments","description":"The Gitea API routes for issue attachments (`/api/v1/repos/{owner}/{repo}/issues/{index}/assets/{attachment_id}`) also accepted attachments that belong to comments on the issue. Because the author of an issue may edit and delete the issue's attachments, a user who opened an issue could rename or delete attachments that other users had posted in comments on that issue. The contents of the attachments could not be changed.","status":"published","published":"2026-10-06T21:35:40.926Z","modified":"2026-10-07T16:12:20.545Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","level":"medium","assessor":"adp"}],"cwes":["CWE-639","CWE-863"],"updated_at":"2026-11-02T14:19:56.755658Z"}],"euvd":[{"id":"EUVD-2026-94064","description":"The Gitea API routes for issue attachments (`/api/v1/repos/{owner}/{repo}/issues/{index}/assets/{attachment_id}`) also accepted attachments that belong to comments on the issue. Because the author of an issue may edit and delete the issue's attachments, a user who opened an issue could rename or delete attachments that other users had posted in comments on that issue. The contents of the attachments could not be changed.","status":"published","published":"2026-10-06T21:35:40Z","modified":"2026-10-07T16:12:20Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T17:27:35.164729Z"}],"nvd":[{"id":"CVE-2026-105268","description":"The Gitea API routes for issue attachments (`/api/v1/repos/{owner}/{repo}/issues/{index}/assets/{attachment_id}`) also accepted attachments that belong to comments on the issue. Because the author of an issue may edit and delete the issue's attachments, a user who opened an issue could rename or delete attachments that other users had posted in comments on that issue. The contents of the attachments could not be changed.","status":"published","published":"2026-10-06T22:17:02.377Z","modified":"2026-10-13T14:38:35.583Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-639","CWE-863"],"updated_at":"2026-11-02T14:12:54.809359Z"}],"osv":[{"id":"CVE-2026-105268","title":"Gitea issue attachment API allows changing comment attachments","description":"The Gitea API routes for issue attachments (`/api/v1/repos/{owner}/{repo}/issues/{index}/assets/{attachment_id}`) also accepted attachments that belong to comments on the issue. Because the author of an issue may edit and delete the issue's attachments, a user who opened an issue could rename or delete attachments that other users had posted in comments on that issue. The contents of the attachments could not be changed.","status":"published","published":"2026-10-06T21:35:40.926Z","modified":"2026-10-28T02:30:51.442369713Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","level":"medium"}],"cwes":["CWE-639","CWE-863"],"updated_at":"2026-11-02T15:44:54.583213Z"},{"id":"BIT-gitea-2026-105268","title":"Gitea issue attachment API allows changing comment attachments","description":"The Gitea API routes for issue attachments (`/api/v1/repos/{owner}/{repo}/issues/{index}/assets/{attachment_id}`) also accepted attachments that belong to comments on the issue. Because the author of an issue may edit and delete the issue's attachments, a user who opened an issue could rename or delete attachments that other users had posted in comments on that issue. The contents of the attachments could not be changed.","status":"published","published":"2026-10-14T08:42:44.006Z","modified":"2026-10-14T11:11:13.285102006Z","updated_at":"2026-11-02T15:28:29.999658Z"}]}}