{"id":"CVE-2026-51876","published":"2026-10-01T22:17:02.387","lastModified":"2026-10-06T01:16:35.727","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.","cvssScore":9.1,"cvssSeverity":"CRITICAL","cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","cwes":["CWE-285"],"vendors":[],"products":[],"references":[{"url":"https://gist.github.com/Ro1ME/c5685936179edcbf942f3fdd745d1473","tags":[]},{"url":"https://github.com/HKUDS/DeepTutor/issues/514","tags":[]},{"url":"https://github.com/HKUDS/DeepTutor/issues/514","tags":[]}],"exploitRefs":[{"url":"https://gist.github.com/Ro1ME/c5685936179edcbf942f3fdd745d1473","tags":[]},{"url":"https://github.com/HKUDS/DeepTutor/issues/514","tags":[]},{"url":"https://github.com/HKUDS/DeepTutor/issues/514","tags":[]}],"hasPoc":true,"ai":{"summary":"The vulnerability allows an unauthenticated or unauthorized user to overwrite metadata and spine content of existing books, posing a significant risk to data integrity.","exploitability":"Exploitation is relatively straightforward as it requires only a publicly exposed book_id, making it accessible to attackers with minimal effort.","blast_radius":"If exploited, this could lead to unauthorized changes in book metadata and content, impacting the integrity and confidentiality of the application’s data.","remediation":"Upgrade to DeepTutor 1.4.1 or later.","detection":"No reliable host or network indicator is derivable from the published description.","tags":["auth-bypass","web","metadata","content"],"model":"qwen2.5:7b-instruct","analyzedAt":"2026-10-06T08:44:40.137Z"}}