Critical 9.3Published Sep 3, 2026

CVE-2026-85183Taipy through 4.1.1 Cross-Site WebSocket Hijacking via Wildcard socket.io CORS

Updated under an hour ago (2026-10-19 06:50 UTC)

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It affects Avaiga taipy. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Every CVE for Avaiga taipy

Exploited in the last 30 days

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: 9.3 CRITICAL (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N
Weakness (CWE): CWE-1385
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: VulnCheck
NVD analysis: Deferred
Record last updated: Sep 24, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Avaiga taipy avaiga:taipy (from the name)	through 4.1.1	CNA record

References

https://github.com/Avaiga/taipy/issues/2890issue-tracking
https://github.com/Avaiga/taipyproduct
https://github.com/Avaiga/taipy/blob/4.1.1/taipy/gui/server.pytechnical-description
https://www.vulncheck.com/advisories/taipy-through-4.1.1-cross-site-websocket-hijacking-via-wildcard-socket-io-corsthird-party-advisory

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.