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CVE-2026-109300: open-webui 0.6.31 to before 0.11.4
CVE-2026-109300. CVSS 3.1 base score 4.6 (GitHub Advisory Database).
Affected technology
open-webui · 0.6.31 to before 0.11.4
open-webui
Description’s affected range: before 0.11.4
Component: Not specified by the source
Attack conditions (Vendor/CNA, CVSS 4.0): Network (remote) · Low privileges required · Passive user interaction
What an attacker can do
Authenticated users can post crafted channel messages, chat messages, or citation content that runs JavaScript in viewers' browsers, enabling in-app phishing, or session hijacking where iframeSandboxAllowSameOrigin is enabled. Vendor/CNA’s CVSS 4.0 assessment (base score 5.1/10) rates confidentiality and integrity impact as low; availability impact as none.
- CWE
- CWE-79
- CCR priority
- 18.4 /100 (P5)
- CVSS 3.1
- 4.6 /10 · CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N · GitHub Advisory Database
- KEV
- no
Provenance
- GitHub Advisory Database · Source record · observed 2026-10-13 02:51:46.931182+00:00 UTC
- NVD CVE API 2.0 · Source record · observed 2026-10-13 01:49:08.152775+00:00 UTC
Stable permalink: https://cybercodered.org/item/cve-cve-2026-109300.html