TI-2026-58516 Aliases CVE-2026-85183 GHSA-jcr8-jmf2-43vw

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

HIGH 75CWE-1385Published 2026-09-03 · Updated 2026-09-24

Key facts

Attack vector: Network
Privileges required: None
User interaction: Passive
Attack complexity: Low
Attack requirements: None
Impact type: —
Confidentiality · integrity · availability: High · High · None
Fix status: No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA.

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

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV

EPSS 0.00234 14th percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: Poc
Automatable: No
Technical impact: Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
Avaiga	taipy	up to 4.1.1	—	No fix listed	CNA

taipy VendorAvaiga Affected up to 4.1.1 Fixed in — No fix listed CNA

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2026-85183
2026-10-03 Alias added: GHSA-jcr8-jmf2-43vw

References

Other 3

TI-2026-35903 Taipy 4.1.1 Path Traversal via ElementLibrary.get_resource() CVSS 4.0HIGH 8.7
TI-2024-32100 Session Cookie without Secure and HTTPOnly flags in taipy CVSS 4.0MEDIUM 6.3

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences