{"id":"CVE-2026-88907","aliases":["EUVD-2026-85868","GHSA-974p-3f2w-mrv2"],"status":"published","title":"SAML ePPN Attribute Validation Bypass in TÜBİTAK ULAKBİM's UlakPDF","description":"Incorrect Authorization vulnerability in TÜBİTAK ULAKBİM UlakPDF allows Authentication Bypass.\n\nThis issue affects UlakPDF: through 09092026.","severity":{"version":"3.1","score":7.4,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00315,"percentile":0.247,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-863"],"published":"2026-09-24T12:46:21Z","modified":"2026-09-24T19:36:51Z","products":[{"vendor":"tübitak ulakbim","product":"ulakpdf"}],"references":[{"url":"https://siberguvenlik.gov.tr/guvenlik-bildirimleri/detay/tr-26-1170","tags":["government-resource"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-88907"},{"url":"https://github.com/advisories/GHSA-974p-3f2w-mrv2"}],"sources":{"cve":[{"id":"CVE-2026-88907","title":"SAML ePPN Attribute Validation Bypass in TÜBİTAK ULAKBİM's UlakPDF","description":"Incorrect Authorization vulnerability in TÜBİTAK ULAKBİM UlakPDF allows Authentication Bypass.\n\nThis issue affects UlakPDF: through 09092026.","status":"published","published":"2026-09-24T12:46:21.079Z","modified":"2026-09-24T14:41:39.471Z","cvss":[{"version":"3.1","score":7.4,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"high","assessor":"cna"}],"cwes":["CWE-863"],"updated_at":"2026-11-02T13:42:04.39372Z"}],"euvd":[{"id":"EUVD-2026-85868","description":"Incorrect Authorization vulnerability in TÜBİTAK ULAKBİM UlakPDF allows Authentication Bypass.\n\nThis issue affects UlakPDF: through 09092026.","status":"published","published":"2026-09-24T12:46:21Z","modified":"2026-09-24T14:41:39Z","cvss":[{"version":"3.1","score":7.4,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"high"}],"updated_at":"2026-11-02T17:27:57.035497Z"}],"ghsa":[{"id":"GHSA-974p-3f2w-mrv2","title":"Incorrect Authorization vulnerability in TÜBİTAK ULAKBİM UlakPDF allows Authentication Bypass.\n...","description":"Incorrect Authorization vulnerability in TÜBİTAK ULAKBİM UlakPDF allows Authentication Bypass.\n\nThis issue affects UlakPDF: through 09092026.","status":"published","published":"2026-09-24T15:31:29Z","modified":"2026-09-24T15:31:34Z","cvss":[{"version":"3.1","score":7.4,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"high"}],"cwes":["CWE-863"],"updated_at":"2026-11-02T15:12:22.2852Z"}],"nvd":[{"id":"CVE-2026-88907","description":"Incorrect Authorization vulnerability in TÜBİTAK ULAKBİM UlakPDF allows Authentication Bypass.\n\nThis issue affects UlakPDF: through 09092026.","status":"published","published":"2026-09-24T13:17:15.873Z","modified":"2026-09-24T19:36:51.28Z","cvss":[{"version":"3.1","score":7.4,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"high","assessor":"secondary"}],"cwes":["CWE-863"],"updated_at":"2026-11-02T14:12:51.036099Z"}]}}