CVE-2026-44211

Cline Kanban Server has a Cross-Origin WebSocket Hijacking Vulnerability

Published 1 Jun 2026Modified 22 Jul 2026CWE 306, 1385

In the Trivy database since at least 24 Oct 2026, 07:11 UTCWhen it arrived before that build is not recorded.

Severity by source

GHSA9.7CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

Trivy's own label is CRITICAL. Rated critical by GHSA.

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.

Affected packages and fixed versions

Source	Package	Fixed in
npm::GitHub Security Advisory npm	cline	no fix listed

References

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