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CVE-2026-35670 Details

Description

OpenClaw before 2026.3.22 contains a webhook reply delivery vulnerability that allows attackers to rebind chat replies to unintended users by exploiting mutable username matching instead of stable numeric user identifiers. Attackers can manipulate username changes to redirect webhook-triggered replies to different users, bypassing the intended recipient binding recorded in webhook events.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:8.1 HIGHVector:CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

CNA: [email protected]CVSS-B:5.9 MEDIUMVector:CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:L/A:N

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://github.com/openclaw/openclaw/commit/630f1479c44f78484dfa21bb407cbe6f171dac87	[email protected]	Patch
https://github.com/openclaw/openclaw/commit/7ade3553b74ee3f461c4acd216653d5ba411f455	[email protected]	Patch
https://github.com/openclaw/openclaw/security/advisories/GHSA-wv46-v6xc-2qhf	[email protected]	Vendor Advisory
https://www.vulncheck.com/advisories/openclaw-webhook-reply-rebinding-via-username-resolution-in-synology-chat	[email protected]	Third Party Advisory

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-807	Reliance on Untrusted Inputs in a Security Decision	[email protected]

Affected Products

Product	Versions
openclaw openclaw	< 2026.3.22
CPE cpe:2.3:a:openclaw:openclaw::::::node.js::* Remediation No remediation found in references.

Change History

4 change records found show changes

Date	Action	Recorded By
Jun 17, 2026	CVE Modified	[email protected]
Jun 17, 2026	CVE Modified	CISA-ADP
Apr 13, 2026	Initial Analysis	[email protected]
Apr 10, 2026	New CVE Received	[email protected]