Veille CVE
CVE-2026-56400
9.6 CritiqueDescription
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.
Produits concernés
Scores CVSS
| Version | Score | Source | Vecteur |
|---|---|---|---|
| 4.0 | 9.0 Critique | disclosure@vulncheck.com | CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:P/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X |
| 3.1 | 8.3 Élevée | disclosure@vulncheck.com | CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H |
| 3.1 | 9.6 Critique | nvd@nist.gov (NVD) | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H |
Faiblesses (CWE)
Références
- https://github.com/open-webui/open-webui/security/advisories/GHSA-6xcp-7mpr-m7wm Vendor Advisory
- https://www.vulncheck.com/advisories/open-webui-remote-code-execution-via-cors-misconfiguration-and-session-validation ExploitThird Party Advisory
- https://github.com/open-webui/open-webui/security/advisories/GHSA-6xcp-7mpr-m7wm Vendor Advisory