CVE-2026-56398
קריטית 9.0
תיאור (מקור, אנגלית)
Open WebUI before 0.9.5 contains a stored cross-site scripting vulnerability in the OAuth authentication flow where the picture claim URL MIME type is inferred from file extension rather than Content-Type header, allowing SVG files to bypass the profile image validator and be stored as data URIs. Authenticated users who visit the profile image endpoint receive attacker-controlled SVG content with inline disposition and no default security headers, enabling script execution in the same origin to steal authentication tokens and achieve account takeover.
מדדים
- CVSS 3.1
-
9.0 (CRITICAL)
מקור הציון: NVD
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H - CVSS 4.0
-
8.5 (HIGH)
מקור הציון: CNA
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/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 - EPSS — סבירות ניצול
- 0% (אחוזון 000) נכון ל-8/8/2026
- CWE
- CWE-20
מוצרים מושפעים
openwebui: open webui
קישורים
- https://github.com/open-webui/open-webui/security/advisories/GHSA-3wgj-c2hg-vm6q ExploitVendor Advisory
- https://www.vulncheck.com/advisories/open-webui-stored-cross-site-scripting-vi… Third Party Advisory