What is CVE-2026-45347?

CVE-2026-45347 is a medium-severity vulnerability in Open-webui, classified under Server-Side Request Forgery (SSRF). CVSS score: 4.3/10. Published 2026-05-15.

How severe is CVE-2026-45347?

Medium severity. CVSS v3 base score is 4.3 out of 10.

SSRF in Open-webui

CVE-2026-45347

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.5.11, there is a blind server side request forgery (SSRF) via the PDF generate function. In the PDF export, user inputs are inter…

Vulnerability class: SSRF (Server-Side Request Forgery)

EPSS: 0.000 (8.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N.

Affected products

Open-webui — versions < 0.5.11
Openwebui Open_webui

Weakness classification (CWE)

CWE-918 — Server-Side Request Forgery (SSRF)

References

security-advisories@github.com (x_refsource_CONFIRM, Exploit, Patch, Vendor Advisory)

Frequently asked questions

What is CVE-2026-45347?: CVE-2026-45347 is a medium-severity vulnerability in Open-webui, classified under Server-Side Request Forgery (SSRF). CVSS score: 4.3/10. Published 2026-05-15.
How severe is CVE-2026-45347?: Medium severity. CVSS v3 base score is 4.3 out of 10.