CVE-2026-45346

Open WebUI: Stored Cross-Site Scripting in SVG Renderer

CVSS 5.1 MEDIUMEPSS 0.2%CWE-80

Vexday Risk Score

13Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 5.1EPSS 0.2%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

15 May 2026Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.6.31, there is a Cross-Site Scripting vulnerability in Open WebUI SVG renderer implementation. This vulnerability is fixed in 0.6.31.

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N

Affected products

open-webui · open-webui

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References

https://github.com/open-webui/open-webui/security/advisories/GHSA-r29h-37fj-x2w6