CVE-2026-85183

critical

Description

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 arbitrary domains and invoke state variable modifications and action callbacks without CSRF protection.

References

https://www.vulncheck.com/advisories/taipy-through-4.1.1-cross-site-websocket-hijacking-via-wildcard-socket-io-cors

https://github.com/Avaiga/taipy/issues/2890

https://github.com/Avaiga/taipy/blob/4.1.1/taipy/gui/server.py

https://github.com/Avaiga/taipy

Details

Source: Mitre, NVD

Published: 2026-09-03

Updated: 2026-09-10

Risk Information

CVSS v2

Base Score: 9.4

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:N

Severity: High

CVSS v3

Base Score: 9.3

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N

Severity: Critical

CVSS v4

Base Score: 9.3

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:N/SC:H/SI:H/SA:N

Severity: Critical

EPSS

EPSS: 0.00153