Critical severityNVD Advisory· Published Mar 5, 2026· Updated Mar 11, 2026
OpenClaw < 2026.2.1 - Inbound Allowlist Policy Bypass in voice-call Extension via Empty Caller ID and Suffix Matching
CVE-2026-28446
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.
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Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
openclawnpm | < 2026.2.2 | 2026.2.2 |
Affected products
2Patches
Vulnerability mechanics
References
6- github.com/openclaw/openclaw/commit/f8dfd034f5d9235c5485f492a9e4ccc114e97fdbghsapatchWEB
- github.com/advisories/GHSA-4rj2-gpmh-qq5xghsaADVISORY
- github.com/openclaw/openclaw/security/advisories/GHSA-4rj2-gpmh-qq5xghsavendor-advisoryWEB
- nvd.nist.gov/vuln/detail/CVE-2026-28446ghsaADVISORY
- www.vulncheck.com/advisories/openclaw-inbound-allowlist-policy-bypass-in-voice-call-extension-via-empty-caller-idghsathird-party-advisoryWEB
- github.com/openclaw/openclaw/releases/tag/v2026.2.2ghsaWEB
News mentions
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