Authorization Flaw in grimmory-tools Settings API by Grimmory
CVE-2026-93954

5.3MEDIUM

Key Information:

Vendor: Grimmory-tools
Status: Grimmory
Vendor: CVE Published:; 19 September 2026

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👾 Exploit Exists🟡 Public PoC

What is CVE-2026-93954?

A notable security vulnerability exists within the Settings API Endpoint of grimmory-tools versions up to 3.3.3 and 3.4.1. The flaw is situated in the method AppSettingController.getAppSettings, located in the AppSettingController.java file. This vulnerability allows for manipulation that undermines correct authorization processes, making it possible for an attacker to execute unauthorized access remotely. Public disclosure of the exploit emphasizes the urgency for users to apply the recommended patch (2b66ca6df8110f6b512e030b54c16b9fbe318f17) that strengthens access control related to the OIDC secret and enhances overall security within the application.

Affected Version(s)

grimmory 3.3.0

grimmory 3.3.1

grimmory 3.3.2

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-93954 - Proof of Concept