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    CVE-2026-39459

    A vulnerability exists in iControl REST and the TMOS Shell (tmsh) where a highly privileged, authenticated attacker with at least the Manager role can create configuration objects that allow running arbitrary commands.  Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

    Published:May 13, 2026
    Last Modified:May 13, 2026
    EPS:May 13, 2026
    EPSS Score:
    CVSS Score:7.2

    Affected Products

    Vendor
    F5
    Product
    Big-ip

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-272 Least Privilege Violation

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    CVE-2026-24464 (CVSS 6.9) — When running in Appliance mode, a directory traversal vulnerability exists in an undisclosed iControl REST end…
    CVE-2026-39458 (CVSS 8.7) — When a BIG-IP is configured with DNS caching (Such as a DNS profile with caching enabled, SSL Orchestrator, A…
    CVE-2026-41959 (CVSS 7.1) — Incorrect permission assignment vulnerabilities exist in BIG-IP and BIG-IQ TMOS Shell (tmsh) network diagnosti…
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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