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    CVE-2026-35636

    OpenClaw versions 2026.3.11 through 2026.3.24 contain a session isolation bypass vulnerability where session_status resolves sessionId to canonical session keys before enforcing visibility checks. Sandboxed child sessions can exploit this to access parent or sibling sessions that should be blocked by explicit sessionKey restrictions.

    Published:Apr 9, 2026
    Last Modified:Apr 16, 2026
    EPS:Apr 9, 2026
    EPSS Score:0.00032
    CVSS Score:6.5

    Affected Products

    Vendor
    Openclaw
    Product
    Openclaw

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-696 Incorrect Behavior Order

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-463 Padding Oracle Crypto Attack

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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