CVE-2026-85183

CVE-2026-85183

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.

CVSS v3 metric

CVSS v3 base score 9.3 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N.

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-85183?
CVE-2026-85183 is a critical-severity vulnerability, classified under CWE-1385. CVSS score: 9.3/10. Published 2026-09-03.
How severe is CVE-2026-85183?
Critical severity. CVSS v3 base score is 9.3 out of 10.