CVE-2026-85183

Taipy through 4.1.1 Cross-Site WebSocket Hijacking via Wildcard socket.io CORS

Published Sep 3, 2026 CVSS 4.0 · 9.3 Critical EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
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.
Title Taipy through 4.1.1 Cross-Site WebSocket Hijacking via Wildcard socket.io CORS
First Time appeared Taipy
Taipy taipy
Weaknesses CWE-1385
CPEs cpe:2.3:a:taipy:taipy:*:*:*:*:*:*:*:*
Vendors & Products Taipy
Taipy taipy
References
Metrics cvssV3_1

{'score': 9.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N'}

cvssV4_0

{'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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulnCheck
Published
Updated
Sep 24, 2026, 2:20 PM
Reserved
Sep 3, 2026, 11:08 AM
Status
Deferred
Published
Sep 3, 2026, 3:17 PM
Modified
Sep 10, 2026, 3:53 PM