LOW 2.1 NVD
CVE-2026-93955
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 backe
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.
References
- https://github.com/grimmory-tools/grimmory/
- https://github.com/grimmory-tools/grimmory/issues/2431
- https://github.com/grimmory-tools/grimmory/issues/2431#issuecomment-5384402858
- https://vuldb.com/cve/CVE-2026-93955
- https://vuldb.com/submit/943921
This low severity vulnerability with a CVSS score of 2.1 was published on 2026-09-19 via NVD.
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