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CVE-2026-51876

Critical

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.

SeverityCritical
CVSS9.1
Exploit probability—
ProductDeepTutor
PublishedOct 1, 2026
First seenOct 1, 2026
Weakness typeCWE-285CWE-285

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
DeepTutor1.4.0—

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