CVE-2026-31991 PUBLISHED

OpenClaw < 2026.2.26 - Authorization Bypass via DM Pairing-Store Leakage in Signal Group Allowlist

Assigner: VulnCheck
Reserved: 10.03.2026 Published: 19.03.2026 Updated: 19.03.2026

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.

CVSS Vector: CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N
CVSS Score: 2

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Network	Confidentiality	Low	Confidentiality	None
Attack Complexity	High	Integrity	Low	Integrity	None
Attack Requirements	None	Availability	None	Availability	None
Privileges Required	Low
User Interaction	Active

CVSS 4.0

CVSS Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:L/A:N
CVSS Score: 3.7

Attack Vector	Network	Scope	Unchanged
Attack Complexity	High	Confidentiality Impact	Low
Privileges Required	Low	Integrity Impact	Low
User Interaction	Required	Availability Impact	None

CVSS 3.1

Product Status

Vendor	OpenClaw
Product	OpenClaw
Versions	Default: unaffected affected from 0 to 2026.2.26 (excl.)

CVE-2026-31991 PUBLISHED

OpenClaw < 2026.2.26 - Authorization Bypass via DM Pairing-Store Leakage in Signal Group Allowlist

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Problem Types