Vulnerabilities

Vulnerability · CVE-2025-41258

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.

Published Mar 18, 2026 · catalog updated Jun 17, 2026 · LibreChat version 0.8.1-rc2 uses

Check if you run it

No confirmed exploitation is on record for CVE-2025-41258. EPSS is 0.36%. Act only if a listed version of LibreChat version 0.8.1-rc2 uses is installed.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (LibreChat version 0.8.1-rc2 uses).
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
High8.0
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.36%
Remediation
Not established
Affected products
cpe librechat/librechat

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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe librechat/librechat0.8.1

How to fix CVE-2025-41258

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2025-41258. EPSS is 0.36%. Act only if a listed version of LibreChat version 0.8.1-rc2 uses is installed.

Which versions are affected?

Compare what you have installed with 0.8.1. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-284: Improper Access Control. EPSS 0.36%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. Mar 18, 2026 · NIST NVD

    Detected

    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.

  2. Jun 17, 2026 · NIST NVD

    Updated

    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.

Sources

  • CVE.orgVulnerability recordCVE-2025-41258

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-41258

    30-day exploitation probability 0.4%

    first.org
  • NIST NVDVulnerability recordCVE-2025-41258

    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.

    nvd.nist.gov

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.