CVE-2025-6088

3.1 LOW 0.3% exploit odds Fix listed Auth & access Web app

What it is

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.

At a glance

Exploitability: Can be exploited over the network with a low-privilege account. Limited direct impact.
Exploit odds: 0.3% chance of exploitation in the next 30 days (EPSS).
Fix: A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

2025-09-11 01:15 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-06-17 10:01 UTC Last updatedMost recent change to the record

Why it ranks here

Exploited in the wild: no, CISA does not list it.
Exploit odds: 0.3% in the next 30 days (EPSS).
Severity: 3.1 LOW (CVSS).
Fix: a patch or advisory is linked.

Details

Published: 2025-09-11 01:15 UTC
Last modified: 2026-06-17 10:01 UTC
Exploit probability: 0.3% · EPSS, next 30 days
Weakness: CWE-285
Record status: Analyzed

Affected

Librechat 0.7.8

Attack profile CVSS 3.1 · 3.1

Attack vector: Network
Complexity: High
Privileges needed: Low
User interaction: None
Scope: Unchanged
Confidentiality: Low
Integrity: None
Availability: None

Raw vector

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N

Is it in your code?

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Fix and advisories

References

NVD record · CVE.org record