CVE-2026-44211

CriticalCVSS 9.6/10Last modified Jul 22, 2026

Description

Cline is an autonomous coding agent as an SDK, IDE extension, or CLI assistant. In versions 2.13.0 and prior, there is a cross-origin WebSocket hijack vulnerability in Cline Kanban servers. At time of publication, there are no publicly available patches.

Metrics

CVSS 3.1 9.6/10CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

Weakness enumeration

CWE-306 CWE-1385

Affected software

Vendor	Product	Versions
cline	cline	<= 2.13.0

References

https://github.com/cline/cline/security/advisories/GHSA-5c57-rqjx-35g2Exploit, Mitigation, Vendor Advisory
https://github.com/cline/cline/security/advisories/GHSA-5c57-rqjx-35g2Exploit, Mitigation, Vendor Advisory

Timeline

Published: Jun 1, 2026
Last modified: Jul 22, 2026
NVD status: Analyzed

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