CVE-2026-51876

critical · 9.1

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.

9.1

CVSS

0.3%

EPSS (exploit prob.)

25th

EPSS percentile

2026-10-01

Published

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Weaknesses

CWE-285

References

https://gist.github.com/Ro1ME/c5685936179edcbf942f3fdd745d1473
https://github.com/HKUDS/DeepTutor/issues/514
https://github.com/HKUDS/DeepTutor/issues/514

Query this programmatically:

curl https://evil-db.io/api/v1/cve/CVE-2026-51876