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CVE-2026-45346: Open WebUI Has Stored Cross-Site Scripting in SVG Renderer

May 14, 2026 (updated May 19, 2026)

There is a Cross-Site Scripting vulnerability in Open WebUI SVG renderer implementation.

References

  • github.com/advisories/GHSA-r29h-37fj-x2w6
  • github.com/open-webui/open-webui/security/advisories/GHSA-r29h-37fj-x2w6
  • nvd.nist.gov/vuln/detail/CVE-2026-45346

Code Behaviors & Features

Detect and mitigate CVE-2026-45346 with GitLab Dependency Scanning

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Affected versions

All versions before 0.6.31

Fixed versions

  • 0.6.31

Solution

Upgrade to version 0.6.31 or above.

Impact 4.6 MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N

Learn more about CVSS

Weakness

  • CWE-80: Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS)

Source file

npm/open-webui/CVE-2026-45346.yml

Spotted a mistake? Edit the file on GitLab.

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