CVE-2025-6088 – Improper Authorization in danny-avila/librechat

CVE ID : CVE-2025-6088

Published : Sept. 11, 2025, 1:15 a.m. | 1 hour, 24 minutes ago

Description : In version 0.7.8 of danny-avila/librechat, improper authorization controls in the conversation sharing feature allow unauthorized access to other users’ conversations if the conversation ID is known. Although UUIDv4 conversation IDs are generated server-side and are difficult to brute force, they can be obtained from less-protected sources such as server-side access logs, browser history, or screenshots. The vulnerability permits a logged-in user to gain read-only access to another user’s conversations by exploiting the `/api/share/conversationID` endpoint, which lacks authorization checks. This issue is resolved in version v0.7.9-rc1.

Severity: 4.2 | MEDIUM

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