CVE-2026-93955 - grimmory-tools grimmory Download Endpoint KoboController.java streamFileToResponse authorization

CVE-2026-93955 - grimmory-tools grimmory Download Endpoint KoboController.java streamFileToResponse authorization

https://cvefeed.io/rssfeed/latest.atom / Sun, 09/20/2026 - 01:33
CVE ID :CVE-2026-93955
Published : Sept. 19, 2026, 10:15 p.m. | 54 minutes ago
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.
Severity: 0.0 | NA
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