How severe is CVE-2025-41258?

CVE-2025-41258 has a CVSS 3.x base score of 8.0, rated high severity. It is exploitable over an adjacent network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2025-41258 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (26th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-41258?

CVE-2025-41258 affects Librechat. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-41258?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2025-41258 have an EU (EUVD) identifier?

Yes. CVE-2025-41258 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-208825.

When was CVE-2025-41258 published?

CVE-2025-41258 was published on 2026-03-18 and last updated on 2026-06-17.

CVE-2025-41258

CVE-2025-41258 is a high-severity vulnerability in Librechat with a CVSS 3.x base score of 8.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-284.

Key facts

Severity: High (CVSS 3.x base score 8.0)
EPSS exploit prediction: 0% (26th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-208825
Weakness: CWE-284
Affected product: Librechat
Published: 2026-03-18
Last modified: 2026-06-17

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.

Frequently asked questions

What is 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.
How severe is CVE-2025-41258?: CVE-2025-41258 has a CVSS 3.x base score of 8.0, rated high severity. It is exploitable over an adjacent network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2025-41258 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (26th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-41258?: CVE-2025-41258 affects Librechat. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-41258?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2025-41258 have an EU (EUVD) identifier?: Yes. CVE-2025-41258 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-208825.
When was CVE-2025-41258 published?: CVE-2025-41258 was published on 2026-03-18 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:librechat:librechat:0.8.1:rc2:*:*:*:*:*:*

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