LibreChat RAG API Authentication Bypass
Priority LOW 37CWE-284Published · Updated
Key facts
- Attack vector
- Adjacent network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-284.
Summary
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.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00342 27th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| danny-avila | LibreChat | 0.8.1-rc2 | — | No fix listed | CNA |
- LibreChat Vendordanny-avila Affected 0.8.1-rc2 Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:librechat:librechat:0.8.1:rc2:*:*:*:*:*:* | 0.8.1 rc2 | Vulnerable | danny-avila |
- cpe:2.3:a:librechat:librechat:0.8.1:rc2:*:*:*:*:*:* Versions 0.8.1 rc2 Vulnerable ·danny-avila
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2025-41258
- 2026-10-03 Alias added: GHSA-jhr8-wf3f-76ph
References
More danny-avila Librechat vulnerabilities
- TI-2026-25134 LibreChat Exfiltrates Server Secrets via MCP Server URL Injection CVSS 3.1CRITICAL 9.6
- TI-2026-17862 LibreChat MCP Stdio Remote Command Execution CVSS 3.1CRITICAL 9.9
- TI-2026-38976 LibreChat: Missing Resource Parameter Validation in MCP OAuth Flow CVSS 3.1CRITICAL 9.3
- TI-2024-27763 LibreChat through 0.7.4-rc1 has incorrect access control for message updates. CVSS 3.1CRITICAL 9.8
- TI-2024-10347 Path Traversal in danny-avila/librechat CVSS 3.0HIGH 8.8
- TI-2026-25682 In LibreChat 0.8.1-rc2, a logged-in user obtains a JWT for both the LibreChat API and the RAG API. CVSS 3.1CRITICAL 9.0
Sources
- CVE-2025-41258 · CVE Program
- CVE-2025-41258 · NVD
- FIRST EPSS
- GHSA-jhr8-wf3f-76ph · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences