CVSS Vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:L/A:N
Lifecycle Timeline
4Description
OpenClaw versions prior to 2026.2.26 contain an authorization bypass vulnerability where Signal group allowlist policy incorrectly accepts sender identities from DM pairing-store approvals. Attackers can exploit this boundary weakness by obtaining DM pairing approval to bypass group allowlist checks and gain unauthorized group access.
Analysis
OpenClaw versions prior to 2026.2.26 contain an authorization bypass vulnerability in Signal group allowlist enforcement where the system incorrectly accepts sender identities derived from direct message (DM) pairing-store approvals. An authenticated attacker with low privileges can exploit this boundary weakness by obtaining DM pairing approval, allowing them to bypass group allowlist checks and gain unauthorized access to Signal groups. …
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Remediation
During next maintenance window: Apply vendor patches when convenient. Vendor patch is available.
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External POC / Exploit Code
Leaving vuln.today
EUVD-2026-13021
GHSA-wm8r-w8pf-2v6w