CVE-2026-45400

8.5 HIGH

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

Published: 2026-05-15 · Last updated: 2026-05-19

Severity and scoring

CVSS: 8.5 HIGH
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N
CWE: CWE-918

Affected products

Vendor	Product
openwebui	open_webui

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.

Source: NVD

References

[NVD]https://nvd.nist.gov/vuln/detail/CVE-2026-45400
[Vendor advisory]https://github.com/open-webui/open-webui/security/advisories/GHSA-8w7q-q5jp-jvgx
[Vendor advisory]https://github.com/open-webui/open-webui/security/advisories/GHSA-8w7q-q5jp-jvgx

Related CVEs

Same vendor

CVE-2026-45667 — Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline (6.5 MEDIUM)
CVE-2026-45666 — Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline (6.5 MEDIUM)
CVE-2026-45665 — Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline (8.1 HIGH)
CVE-2026-45365 — Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline (5.4 MEDIUM)
CVE-2026-45351 — Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline (6.5 MEDIUM)

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