What’s Vulnerable › Vulnerabilities

CVE-2025-41258: LibreChat RAG API Authentication Bypass

• Severity: high (CVSS 8.0 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2026-03-18 · updated 2026-06-17
• Weakness: CWE-284

Description

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.

Affected products

• danny-avila LibreChat: 0.8.1-rc2

References

• https://github.com/danny-avila/LibreChat
• https://github.com/sbaresearch/advisories/tree/public/2025/SBA-ADV-20251205-01_LibreChat_RAG_API_Authentication_Bypass

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