What is CVE-2026-54025?

CVE-2026-54025 is a medium-severity vulnerability in Danny-avila Librechat, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2026-06-25.

How severe is CVE-2026-54025?

Medium severity. CVSS v3 base score is 5.4 out of 10.

XSS in Danny-avila Librechat

CVE-2026-54025

LibreChat is an enhanced ChatGPT clone that supports multiple AI providers. Prior to 0.8.4-rc1, there is a vulnerability in LibreChat's markdown artifact preview pipeline. The marked library v15.0.12 does not HTML-escape double-quote chara…

Vulnerability class: XSS (Cross-Site Scripting)

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

Affected products

Danny-avila Librechat — versions < 0.8.4-rc1

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

security-advisories@github.com (x_refsource_CONFIRM)

Frequently asked questions

What is CVE-2026-54025?: CVE-2026-54025 is a medium-severity vulnerability in Danny-avila Librechat, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2026-06-25.
How severe is CVE-2026-54025?: Medium severity. CVSS v3 base score is 5.4 out of 10.