{"id":"CVE-2026-48912","aliases":["EUVD-2026-53399","GHSA-536r-pphc-ghq8"],"status":"published","title":"Apache Answer: Improper authorization in avatar update cleanup allows authenticated users to delete arbitrary uploaded files by URL","description":"Improper Input Validation vulnerability in Apache Answer.\n\nThis issue affects Apache Answer: through 2.0.1.\n\n A missing ownership check in the avatar-cleanup logic allows any authenticated user to delete other users' uploaded files by supplying their file URLs.\nUsers are recommended to upgrade to version 2.0.2, which fixes the issue.","severity":{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N","level":"medium","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-12","score":0.0047,"percentile":0.41142,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-639"],"published":"2026-08-05T15:10:08Z","modified":"2026-10-28T02:31:03Z","products":[{"vendor":"apache","product":"answer"},{"vendor":"apache software foundation","product":"apache answer"}],"references":[{"url":"https://lists.apache.org/thread/b9jnttmspd9kp4vgbvb32dcqb4201flq","tags":["vendor-advisory","Mailing List","Vendor Advisory","advisory"]},{"url":"http://www.openwall.com/lists/oss-security/2026/08/05/11","tags":["Mailing List","Third Party Advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-48912","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-536r-pphc-ghq8"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/48xxx/CVE-2026-48912.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2026-48912","title":"Apache Answer: Improper authorization in avatar update cleanup allows authenticated users to delete arbitrary uploaded files by URL","description":"Improper Input Validation vulnerability in Apache Answer.\n\nThis issue affects Apache Answer: through 2.0.1.\n\n A missing ownership check in the avatar-cleanup logic allows any authenticated user to delete other users' uploaded files by supplying their file URLs.\nUsers are recommended to upgrade to version 2.0.2, which fixes the issue.","status":"published","published":"2026-08-05T15:10:08.165Z","modified":"2026-08-06T14:37:55.288Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N","level":"medium","assessor":"adp"}],"cwes":["CWE-639"],"updated_at":"2026-11-02T14:19:47.998488Z"}],"euvd":[{"id":"EUVD-2026-53399","description":"Improper Input Validation vulnerability in Apache Answer.\n\nThis issue affects Apache Answer: through 2.0.1.\n\n A missing ownership check in the avatar-cleanup logic allows any authenticated user to delete other users' uploaded files by supplying their file URLs.\nUsers are recommended to upgrade to version 2.0.2, which fixes the issue.","status":"published","published":"2026-08-05T15:10:08Z","modified":"2026-08-06T14:37:55Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N","level":"medium"}],"updated_at":"2026-11-02T18:02:08.553271Z"}],"ghsa":[{"id":"GHSA-536r-pphc-ghq8","title":"Improper Input Validation vulnerability in Apache Answer.\n\nThis issue affects Apache Answer:...","description":"Improper Input Validation vulnerability in Apache Answer.\n\nThis issue affects Apache Answer: through 2.0.1.\n\n A missing ownership check in the avatar-cleanup logic allows any authenticated user to delete other users' uploaded files by supplying their file URLs.\nUsers are recommended to upgrade to version 2.0.2, which fixes the issue.","status":"published","published":"2026-08-05T18:31:35Z","modified":"2026-08-06T15:33:35Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N","level":"medium"}],"cwes":["CWE-639"],"updated_at":"2026-11-02T15:10:09.761462Z"}],"nvd":[{"id":"CVE-2026-48912","description":"Improper Input Validation vulnerability in Apache Answer.\n\nThis issue affects Apache Answer: through 2.0.1.\n\n A missing ownership check in the avatar-cleanup logic allows any authenticated user to delete other users' uploaded files by supplying their file URLs.\nUsers are recommended to upgrade to version 2.0.2, which fixes the issue.","status":"published","published":"2026-08-05T16:16:57.213Z","modified":"2026-10-24T16:10:00.153Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-639"],"updated_at":"2026-11-02T14:12:35.031043Z"}],"osv":[{"id":"CVE-2026-48912","title":"Apache Answer: Improper authorization in avatar update cleanup allows authenticated users to delete arbitrary uploaded files by URL","description":"Improper Input Validation vulnerability in Apache Answer.\n\nThis issue affects Apache Answer: through 2.0.1.\n\n A missing ownership check in the avatar-cleanup logic allows any authenticated user to delete other users' uploaded files by supplying their file URLs.\nUsers are recommended to upgrade to version 2.0.2, which fixes the issue.","status":"published","published":"2026-08-05T15:10:08.165Z","modified":"2026-10-28T02:31:03.799490665Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N","level":"medium"}],"cwes":["CWE-639"],"updated_at":"2026-11-02T15:45:07.060148Z"}]}}