CVE-2026-51876

Published Oct 1, 2026 CVSS 3.1 · 9.1 Critical EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Hkuds
Hkuds deeptutor
Vendors & Products Hkuds
Hkuds deeptutor
Type Values Removed Values Added
Title Authorization Bypass in DeepTutor 1.4.0 Book Confirmation Flow
Type Values Removed Values Added
Metrics cvssV3_1

{'score': 9.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Title Authorization Bypass in DeepTutor 1.4.0 Book Confirmation Flow
Weaknesses CWE-285
Type Values Removed Values Added
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.
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Oct 5, 2026, 11:53 PM
Reserved
Jun 8, 2026, 12:00 AM
Status
Deferred
Published
Oct 1, 2026, 10:17 PM
Modified
Oct 6, 2026, 1:16 AM