High 8.8Published Jul 8, 2026

CVE-2026-59723Cline is an autonomous coding agent as an SDK, IDE extension, or CLI assistant.

Updated under an hour ago (2026-10-19 06:30 UTC)

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No exploitation reported and no EPSS estimate yet.

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Exploited in the last 30 days

Cline is an autonomous coding agent as an SDK, IDE extension, or CLI assistant. Prior to 3.0.30, the Cline Hub dashboard server launched by the cline dashboard command accepts WebSocket connections on the /browser endpoint without validating the Origin header, and when ROOM_SECRET is unset for local 127.0.0.1 binds, isAuthorizedBrowserRequest() allows attacker-controlled websites to send desktopCommand frames that read workspace state, mutate MCP and provider settings, and trigger command execution when a provider or model is configured. This issue is fixed in version 3.0.30.

CVSS: 8.8 HIGH (v3.1, NVD)CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
Weakness (CWE): CWE-346
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Not given
NVD analysis: Analyzed
Record last updated: Aug 26, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

cline cline cline:cline	before 3.0.30	NVD

References

https://github.com/cline/cline/commit/d09270940f5746f288cfc4a5039b46a2f4d5d01epatch
https://github.com/cline/cline/pull/11724issue-tracking, patch
https://github.com/cline/cline/releases/tag/cli-v3.0.30release-notes
https://github.com/cline/cline/security/advisories/GHSA-3cj3-hqcr-g934exploit, vendor-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.