CVE-2026-28446

Critical

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.

SeverityCritical
CVSS9.4
Exploit probability—
ProductOpenclaw
PublishedMar 5, 2026
First seenMar 5, 2026
Weakness typeCWE-303CWE-303

How to fix

Affected products

ProductAffected versionsFixed in
openclaw openclawv < 2026.2.22026.2.2
openclawnpmv < 2026.2.22026.2.2

Check your version

Choose the product and enter the version you run to see whether it falls in the affected range.

In the Intelligence 360 plan

Attack Surface Management

See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.

CVE-2026-28446 · Openclaw · Dark Radar