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    CVE-2026-28446

    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.

    Published:Mar 5, 2026
    Last Modified:Apr 16, 2026
    EPS:Mar 5, 2026
    EPSS Score:0.00977
    CVSS Score:9.4

    Affected Products

    Vendor
    Openclaw
    Product
    Openclaw

    Exploits

    https://github.com/openclaw/openclaw/security/advisories/GHSA-4rj2-gpmh-qq5x

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-90 Reflection Attack in Authentication Protocol

    Related CVEs

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    CVE-2026-62226 (CVSS 5.1) — OpenClaw 2026.3.28 before 2026.5.19 contain an authorization bypass vulnerability in the browser act route tha…
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    CVE-2026-62223 (CVSS 7.7) — OpenClaw before 2026.5.18 contain an authorization bypass vulnerability in the device-pair approval feature th…
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    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High