CVE-2026-44211

critical · 9.6

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.

9.6

CVSS

0.2%

EPSS (exploit prob.)

8th

EPSS percentile

2026-06-01

Published

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

Weaknesses

CWE-306CWE-1385

Affected products

Vendor	Product	Affected versions
cline	cline	<= 2.13.0

Check a specific version with /api/v1/cve/match.

References

https://github.com/cline/cline/security/advisories/GHSA-5c57-rqjx-35g2
https://github.com/cline/cline/security/advisories/GHSA-5c57-rqjx-35g2

Query this programmatically:

curl https://evil-db.io/api/v1/cve/CVE-2026-44211