by Kastro
Paper/Archive/CVE-2026-51876

CVE-2026-51876

mitre — DeepTutor 1.4.0 contains an authorization bypass vulnerability in the book confirmation flow.

EPSS 0.3%public exploitCVSS 9.1
critical.is priorityof 100
42
CVSS 9.1 (ADP)9.1 / 10 × 3027.3Not in CISA KEV+300.0EPSS percentile 25.4.254 × 205.1Exploit: SSVC poc+1010.0SSVC exploitation: poc+100.0
Description · from the CVE record

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.

Affected

ProductAffectedFixed inSource
n/an/a–CNA

Scores by source

CISA ADP9.1CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
CISA ADPSSVCExploitation: poc · Automatable: yes · Technical impact: total

References

exploitgithub.com/HKUDS/DeepTutor/issues/514refgist.github.com/Ro1ME/c5685936179edcbf942f3fdd745d1473