{"id":"CVE-2026-85183","title":"Taipy configures its socket.io server with wildcard CORS origin and credential flag enabled, allowing any web page to establish credentialed WebSocket connections to victim applications","summary":"Taipy configures its socket.io server with wildcard CORS origin and credential flag enabled, allowing any web page to establish credentialed WebSocket connections to victim applications. Attackers can open socket.io sessions from arbitra…","severity":"critical","cvss":9.3,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N","cwe":["CWE-1385"],"published":"2026-09-03","updated":"2026-09-10","sourceUpdated":"2026-09-10T15:53:23.707","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-85183","references":[{"url":"https://github.com/Avaiga/taipy","label":"disclosure@vulncheck.com"},{"url":"https://github.com/Avaiga/taipy/blob/4.1.1/taipy/gui/server.py","label":"disclosure@vulncheck.com"},{"url":"https://github.com/Avaiga/taipy/issues/2890","label":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/taipy-through-4.1.1-cross-site-websocket-hijacking-via-wildcard-socket-io-cors","label":"disclosure@vulncheck.com"},{"url":"https://github.com/Avaiga/taipy/issues/2890","label":"134c704f-9b21-4f2e-91b3-4a467353bcc0"}],"tags":["nvd"],"epss":0.00153,"epssPercentile":0.0485,"ingestedAt":"2026-09-10T16:57:28.701Z","slug":"CVE-2026-85183","body":"## Overview\n\nTaipy configures its socket.io server with wildcard CORS origin and credential flag enabled, allowing any web page to establish credentialed WebSocket connections to victim applications. Attackers can open socket.io sessions from arbitrary domains and invoke state variable modifications and action callbacks without CSRF protection.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"midnight","depthScore":51,"depthScoreParts":{"impact":51.2,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}