Vulnerability · Published May 15, 2026 · Assigned by GitHub_M

CVE-2026-45299Open WebUI: Stored Cross-Site Scripting In Profile Picture

Medium 5.4

In plain English

A medium-severity cross-site scripting in open-webui from open-webui. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 10% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)5.4Medium

Exploit odds (30 days)0.2%top 90.3% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.8.0, the profile_image_url field on the user profile update form accepted arbitrary data: URI values without MIME-type validation, resulting in a XSS vulnerability. This vulnerability is fixed in 0.8.0.

Affected packages & fixed versions

Ecosystem	Package	Fixed in	Advisory
PyPI	open-webui	0.8.0	GHSA-6gh2-q7cp-9qf6
PyPI	open-webui	0.8.0	PYSEC-2026-2708

Affected products (as reported)

Vendor	Product	Versions
open-webui	open-webui	< 0.8.0

Weakness: CWE-79 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

References

https://github.com/open-webui/open-webui/security/advisories/GHSA-6gh2-q7cp-9qf6 x_refsource_CONFIRM