What is CVE-2026-54037?

CVE-2026-54037 is a medium-severity vulnerability in Danny-avila Librechat, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 6.5/10. Published 2026-06-25.

How severe is CVE-2026-54037?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Resource exhaustion in Danny-avila Librechat

CVE-2026-54037

LibreChat is an enhanced ChatGPT clone that supports multiple AI providers. Prior to 0.8.4-rc1, the fix for CVE-2025-7105 added forkIpLimiter and forkUserLimiter rate limiters to POST /api/convos/fork to prevent rapid-fire conversation dup…

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

Affected products

Danny-avila Librechat — versions < 0.8.4-rc1

Weakness classification (CWE)

CWE-770 — Allocation of Resources Without Limits or Throttling

References

security-advisories@github.com (x_refsource_CONFIRM)

Frequently asked questions

What is CVE-2026-54037?: CVE-2026-54037 is a medium-severity vulnerability in Danny-avila Librechat, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 6.5/10. Published 2026-06-25.
How severe is CVE-2026-54037?: Medium severity. CVSS v3 base score is 6.5 out of 10.