CVE-2026-45346

FAUCET Score

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.

First published: May 15, 2026Last modified: May 15, 2026

Impacted Technologies

Vendor	Product	Version(s)	CPE
		< 0.6.31CPE matchmatch criteria	cpe:2.3:a:openwebui:open_webui::::::::

CVSS Data

CVSS version used by this source: 4.0

5.1MEDIUM

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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Attack Vector

NETWORK

Attack Complexity

LOW

Attack Requirements

NONE

Privileges Required

LOW

User Interaction

PASSIVE

VS Confidentiality

NONE

VS Integrity

NONE

VS Availability

NONE

SS Confidentiality

LOW

SS Integrity

LOW

SS Availability

NONE

Exploit Maturity

NOT_DEFINED

CvssVersion

4.0

Exploit Intelligence

EPSS Score

0.17%

Probability of exploitation in next 30 days

EPSS Percentile

6.1%

Percentile rank of EPSS score among Peer Group

As of 2026-07-27

Model: v2026.06.15

This CVE's current EPSS score of 0.0016 is in the 4th percentile among its peer group of 15,239 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

npmpatch availablevia ghsa

Product: open-webuiFixed in: 0.6.31

github_advisoryvendor investigatingvia nvd_reference

View patch

Vendor Advisories (1)

npmGHSA-r29h-37fj-x2w6medium

Open WebUI Has Stored Cross-Site Scripting in SVG Renderer

May 14, 2026

References

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

ExploitVendor Advisory