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Details of issue NIXPKGS-2026-1630

NIXPKGS-2026-1630
published on
Permalink CVE-2026-44568
4.8 MEDIUM
  • CVSS version (CVSS): 3.1
  • Attack Vector (AV): Network (N)
  • Attack Complexity (AC): Low (L)
  • Privileges Required (PR): High (H)
  • User Interaction (UI): Required (R)
  • Scope (S): Changed (C)
  • Confidentiality (C): Low (L)
  • Integrity (I): Low (L)
  • Availability (A): None (N)
  • Modified Attack Vector (MAV): Network (N)
  • Modified Attack Complexity (MAC): Low (L)
  • Modified Privileges Required (MPR): High (H)
  • Modified User Interaction (MUI): Required (R)
  • Modified Confidentiality (MC): Low (L)
  • Modified Scope (MS): Changed (C)
  • Modified Integrity (MI): Low (L)
  • Modified Availability (MA): None (N)
updated 1 week, 2 days ago by @LeSuisse Activity log
  • Created suggestion 1 week, 2 days ago
  • @LeSuisse accepted 1 week, 2 days ago
  • @LeSuisse published on GitHub 1 week, 2 days ago
Open WebUI: Stored XSS in Pending User Overlay via Incorrect DOMPurify Application Order

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.0, the AccountPending.svelte component renders the admin-configured "Pending User Overlay Content" using marked.parse() inside {@html} with an incorrect DOMPurify application order. An admin can inject arbitrary JavaScript into the Pending User Overlay Content that executes in the browser context of any pending user who views the overlay page. This vulnerability is fixed in 0.9.0.

Affected products

open-webui
  • ==< 0.9.0

Matching in nixpkgs

pkgs.open-webui

Comprehensive suite for LLMs with a user-friendly WebUI

Package maintainers