← CVE Intelligence

CVE-2026-56400

open-webui - Remote Code Execution via CORS Misconfiguration and Session Validation PUBLISHED

Description (CNA)

open-webui before 0.3.14 contains a cross-origin resource sharing misconfiguration allowing arbitrary origins with allow_origins=* and authenticated requests to the /api/v1/functions endpoint. Attackers can execute arbitrary code on the openwebui instance by crafting malicious cross-site requests from attacker-controlled websites when an admin user visits them.

Affected (CNA)

Vendor / productVersions
open-webui / open-webuiaffected 0 before 0.3.14; unaffected 0.3.14

CWE

CWE-613

References

ADP enrichment

CISA-ADP

No English description supplied.