{"id":"CVE-2026-51876","aliases":["EUVD-2026-91128","GHSA-h434-cpxm-mqxr"],"status":"published","title":"DeepTutor 1.4.0 contains an authorization bypass vulnerability in the book confirmation flow. An...","description":"DeepTutor 1.4.0 contains an authorization bypass vulnerability in the book confirmation flow. An unauthenticated or unauthorized caller can reuse a publicly exposed book_id to submit a confirm-proposal request for an existing book, causing unauthorized overwrites of persisted metadata and spine content.","severity":{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"critical","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-11","score":0.00324,"percentile":0.25727,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-285"],"published":"2026-10-01T00:00:00Z","modified":"2026-10-06T03:31:18Z","references":[{"url":"https://github.com/HKUDS/DeepTutor/issues/514","tags":["exploit"]},{"url":"https://gist.github.com/Ro1ME/c5685936179edcbf942f3fdd745d1473"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-51876"},{"url":"https://github.com/advisories/GHSA-h434-cpxm-mqxr"}],"sources":{"cve":[{"id":"CVE-2026-51876","description":"DeepTutor 1.4.0 contains an authorization bypass vulnerability in the book confirmation flow. An unauthenticated or unauthorized caller can reuse a publicly exposed book_id to submit a confirm-proposal request for an existing book, causing unauthorized overwrites of persisted metadata and spine content.","status":"published","published":"2026-10-01T00:00:00Z","modified":"2026-10-05T23:53:01.378Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"critical","assessor":"adp"}],"cwes":["CWE-285"],"updated_at":"2026-11-02T13:39:50.160666Z"}],"euvd":[{"id":"EUVD-2026-91128","description":"DeepTutor 1.4.0 contains an authorization bypass vulnerability in the book confirmation flow. An unauthenticated or unauthorized caller can reuse a publicly exposed book_id to submit a confirm-proposal request for an existing book, causing unauthorized overwrites of persisted metadata and spine content.","status":"published","published":"2026-10-01T00:00:00Z","modified":"2026-10-05T23:53:01Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"critical"}],"updated_at":"2026-11-02T17:27:39.05741Z"}],"ghsa":[{"id":"GHSA-h434-cpxm-mqxr","title":"DeepTutor 1.4.0 contains an authorization bypass vulnerability in the book confirmation flow. An...","description":"DeepTutor 1.4.0 contains an authorization bypass vulnerability in the book confirmation flow. An unauthenticated or unauthorized caller can reuse a publicly exposed book_id to submit a confirm-proposal request for an existing book, causing unauthorized overwrites of persisted metadata and spine content.","status":"published","published":"2026-10-02T00:31:30Z","modified":"2026-10-06T03:31:18Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"critical"}],"cwes":["CWE-285"],"updated_at":"2026-11-02T15:12:49.284876Z"}],"nvd":[{"id":"CVE-2026-51876","description":"DeepTutor 1.4.0 contains an authorization bypass vulnerability in the book confirmation flow. An unauthenticated or unauthorized caller can reuse a publicly exposed book_id to submit a confirm-proposal request for an existing book, causing unauthorized overwrites of persisted metadata and spine content.","status":"published","published":"2026-10-01T22:17:02.387Z","modified":"2026-10-06T01:16:35.727Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"critical","assessor":"secondary"}],"cwes":["CWE-285"],"updated_at":"2026-11-02T14:12:53.41762Z"}]}}