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    CVE-2026-41395

    OpenClaw before 2026.3.28 contains a webhook replay vulnerability in Plivo V3 signature verification that canonicalizes query ordering for signatures but hashes raw URLs for replay detection. Attackers can reorder query parameters to bypass replay cache detection and trigger duplicate voice-call processing with a captured valid signed webhook.

    Published:Apr 28, 2026
    Last Modified:Apr 29, 2026
    EPS:Apr 28, 2026
    EPSS Score:0.0002
    CVSS Score:7.5

    Affected Products

    Vendor
    Openclaw
    Product
    Openclaw

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-325 Missing Cryptographic Step

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-68 Subvert Code-signing Facilities

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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