Vulnerability · Published Sep 19, 2026 · Assigned by VulDB
CVE-2026-93954grimmory-tools grimmory Settings API Endpoint AppSettingController.java AppSettingController.getAppSettings authorization
Medium 4.3
In plain English
A medium-severity incorrect authorization in grimmory from grimmory-tools. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 34% of all known vulnerabilities).
Official description
A security vulnerability has been detected in grimmory-tools grimmory up to 3.3.3/3.4.1. Affected is the function AppSettingController.getAppSettings of the file backend/src/main/java/org/booklore/controller/AppSettingController.java of the component Settings API Endpoint. Such manipulation leads to incorrect authorization. The attack can be launched remotely. The exploit has been disclosed publicly and may be used. The name of the patch is 2b66ca6df8110f6b512e030b54c16b9fbe318f17. Applying a patch is advised to resolve this issue. PR #2558, merged as 53abc8b, moved the OIDC secret into a dedicated setting, but did not by itself restrict GET /api/v1/settings.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| grimmory-tools | grimmory | 3.3.03.3.13.3.23.3.33.4.03.4.1 |
Weakness: CWE-863, CWE-285 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:P/RL:O/RC:C
References
- VDB-407913 | grimmory-tools grimmory Settings API Endpoint AppSettingController.java AppSettingController.getAppSettings authorization vdb-entry, technical-description
- VDB-407913 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
- CVE-2026-93954 | CVE Analysis and Report third-party-advisory
- Submit #943919 | grimmory-tools grimmory 3.3.3 Incorrect Access Control third-party-advisory
- https://github.com/grimmory-tools/grimmory/issues/2430 exploit, issue-tracking
- https://github.com/grimmory-tools/grimmory/pull/2647 issue-tracking, patch
- https://github.com/grimmory-tools/grimmory/commit/2b66ca6df8110f6b512e030b54c16b9fbe318f17 patch
- https://github.com/grimmory-tools/grimmory/ product