Patch Forecast
Amber warning
Patch this week.

CVE-2026-51876

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

Risk score
63/100
CVSS
9.1 v3.1
Exploit chance (30 days)
0.3%
Published
1 Oct 2026

Open in the live forecast Today's forecast

What to know

What it is
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
See advisory
Fix
Apply the vendor's security update; see the linked advisory.
Exploitation
No known exploitation

Why it is Amber

  • CVSS 9.1 critical
  • Remotely exploitable without logging in

References

Original 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.

Last activity 1 Oct 2026. Patch Forecast updates every hour.