CVE-2026-93955 | BDVDB-2026-377149 Detail
grimmory-toolsgrimmory
Description#
A vulnerability was detected in grimmory-tools grimmory up to 3.3.3/3.4.1. Affected by this vulnerability is the function streamFileToResponse of the file backend/src/main/java/org/booklore/controller/KoboController.java of the component Download Endpoint. Performing a manipulation of the argument bookId results in authorization bypass. The attack may be initiated remotely. The exploit is now public and may be used. Issue #2431 is closed as completed, but its only comment states that the issue “has already been reported elsewhere.” No fixing commit or pull request is identified there.
Impact#
Per CVSS v3.1: confidentiality impact low, integrity impact none, availability impact none. Attack vector: network.
Weaknesses#
References#
- https://vuldb.com/vuln/407914
- https://vuldb.com/vuln/407914/cti
- https://vuldb.com/cve/CVE-2026-93955
- https://vuldb.com/submit/943921
- https://github.com/grimmory-tools/grimmory/issues/2431
- https://github.com/grimmory-tools/grimmory/issues/2431#issuecomment-5384402858
- https://github.com/grimmory-tools/grimmory/
Exploit#
History#
- Version 1Record published in the CVE List.
- Version 2Most recent update recorded in the CVE List.