What is CVE-2026-59214?

CVE-2026-59214 is a high-severity vulnerability in Open-webui, classified under Cross-site Scripting. CVSS score: 7.3/10. Published 2026-07-09.

How severe is CVE-2026-59214?

High severity. CVSS v3 base score is 7.3 out of 10.

XSS in Open-webui

CVE-2026-59214

Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. Prior to 0.10.0, Open WebUI runs client-side Python with Pyodide in a same-origin web worker, allowing stored chat payloads that use pyodide.http.pyfetch…

Vulnerability class: XSS (Cross-Site Scripting)

CVSS v3 metric

CVSS v3 base score 7.3 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N.

Affected products

Open-webui — versions < 0.10.0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

security-advisories@github.com (x_refsource_CONFIRM)

Frequently asked questions

What is CVE-2026-59214?: CVE-2026-59214 is a high-severity vulnerability in Open-webui, classified under Cross-site Scripting. CVSS score: 7.3/10. Published 2026-07-09.
How severe is CVE-2026-59214?: High severity. CVSS v3 base score is 7.3 out of 10.