CVE-2026-28446

CRITICAL
2026-03-05 [email protected] GHSA-4rj2-gpmh-qq5x
9.4
CVSS 3.1
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CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
Low

Lifecycle Timeline

4
Analysis Generated
Mar 12, 2026 - 22:06 vuln.today
PoC Detected
Mar 11, 2026 - 14:16 vuln.today
Public exploit code
Patch Released
Mar 11, 2026 - 14:16 nvd
Patch available
CVE Published
Mar 05, 2026 - 22:16 nvd
CRITICAL 9.4

Tags

Authentication Bypass AI / ML Openclaw

Description

OpenClaw versions prior to 2026.2.1 with the voice-call extension installed and enabled contain an authentication bypass vulnerability in inbound allowlist policy validation that accepts empty caller IDs and uses suffix-based matching instead of strict equality. Remote attackers can bypass inbound access controls by placing calls with missing caller IDs or numbers ending with allowlisted digits to reach the voice-call agent and execute tools.

Analysis

Auth bypass in OpenClaw voice-call extension before 2026.2.1. EPSS 0.68%. …

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Remediation

Within 24 hours: identify all OpenClaw deployments with voice-call extension enabled and assess exposure scope. Within 7 days: apply vendor patch 2026.2.1 or later to all affected systems, prioritizing production environments; if patching is delayed, disable the voice-call extension. …

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Priority Score

68
Low Medium High Critical
KEV: 0
EPSS: +0.7
CVSS: +47
POC: +20

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CVE-2026-28446 vulnerability details – vuln.today
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