SB2026050627 - Cross-site scripting in Open WebUI

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Main Vulnerability Database SB2026050627

SB2026050627 - Cross-site scripting in Open WebUI

Published: May 6, 2026

Security Bulletin ID SB2026050627
CSH Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Data manipulation

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Cross-site scripting (CVE-ID: CVE-2026-44568)

CWE-ID: CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:U/U:Clear


The vulnerability allows a remote user to execute arbitrary JavaScript in the browser context of a pending user.

The vulnerability exists due to cross-site scripting in the AccountPending.svelte pending user overlay component when rendering admin-configured markdown content. A remote privileged user can configure a crafted markdown link with a javascript: URI to execute arbitrary JavaScript in the browser context of a pending user.

User interaction is required to click the crafted link in the pending user overlay.


Remediation

Install update from vendor's website.

References