highCVSS 8.5NVD status: Analyzed

CVE-2026-45400

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline.

ComponentOpen WebUI
Severityhigh (CVSS 8.5)
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N
Published (NVD)2026-05-15
Last modified2026-06-17
Affected versions
open_webui < 0.9.5
Fixed in0.9.5
WeaknessCWE-918
CISA KEVnot listed

NVD description

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.5, a parsing difference between the urlparse and requests libraries led to an SSRF bypass vulnerability. This vulnerability is fixed in 0.9.5.

Does CVE-2026-45400 hit the version you run?Paste your docker-compose.yml, requirements.txt or package.json. The scanner checks your pinned versions against this CVE and every other one we track for Open WebUI.
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What to do

  • Upgrade Open WebUI to 0.9.5 or later.
  • Do not expose the component's API or UI to the internet without authentication in front of it.

Sources

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