CVE-2025-41258

Status: AnalyzedHigh (8)—

LibreChat version 0.8.1-rc2 uses the same JWT secret for the user session mechanism and RAG API which compromises the service-level authentication of the RAG API.

CVSS

Version: 3.1
Vector: CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Base score: 8

Exploitation probability (EPSS)

Probability of exploitation in the next 30 days: 0.34%
Percentile among all scored CVEs: 26
Score date: 10/6/2026

EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).

🎯 ATT&CK techniques

How this vulnerability is exploited and what the attacker gains, in MITRE ATT&CK terms.

ExploitationT1210 Exploitation of Remote Serviceslateral movement85 %
Primary impactT1078 Valid Accountsstealth · persistence · privilege escalation · initial access80 %
Secondary impactT1059 Command and Scripting Interpreterexecution70 %

Acceso local con privilegios (PR:L, AV:A) a servicio remoto RAG; reutilización del JWT permite suplantación de identidad (T1078) y potencial ejecución remota en la API (T1059).

Inferred by our analysis agent from the official description, CVSS vector and CWE, and checked by a supervisor. May contain errors.

🛡️ ATT&CK mitigations that cover these techniques

Privileged Account Management Disable or Remove Feature or Program Application Developer Guidance Active Directory Configuration Vulnerability Scanning User Training

Affected technologies (1)

Librechat — Librechat

CWEs

CWE-284

References

Raw JSON (NVD)

Show

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