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    CVE-2026-87987

    An arbitrary code execution vulnerability in Mistral Vibe allows an attacker to bypass command permission checks using environment variable assignments preceding allowlisted commands. These assignments are excluded from inspection, enabling attacker-controlled environment variables to cause arbitrary code execution without user approval.

    Published:Sep 11, 2026
    Last Modified:Sep 13, 2026
    EPS:Sep 11, 2026
    EPSS Score:0.00333
    CVSS Score:10

    Affected Products

    Vendor
    Mistral
    Product
    Mistral-vibe

    Exploits

    No exploit reference

    Related CVEs

    CVE-2026-122135 (CVSS 8.6) — Mistral Vibe before 3.0.3 contains a remote code execution vulnerability that allows attackers to run commands…
    CVE-2026-122134 (CVSS 8.6) — Mistral Vibe before 2.25.7 contains a remote code execution vulnerability that allows attackers to run command…
    CVE-2026-122133 (CVSS 8.6) — Mistral Vibe before 2.25.5 on Windows contains an untrusted search path vulnerability that allows attackers to…
    CVE-2026-116843 (CVSS 8.7) — Mistral Vibe before 3.0.3 contains a remote code execution vulnerability that allows attackers to run commands…
    CVE-2026-109429 (CVSS 8.7) — Mistral Vibe before 2.25.4 contains a command permission gate bypass vulnerability that allows attackers to ex…
    CVE-2026-109428 (CVSS 8.7) — Mistral Vibe before 2.25.5 contains a permission validation bypass vulnerability that allows attackers to exec…
    CVE-2026-93993 (CVSS 8.6) — Mistral Vibe before 2.25.5 contains a remote code execution vulnerability in the worktree creation process tha…
    CVE-2026-87988 (CVSS 10) — An arbitrary file access vulnerability in Mistral Vibe allows an attacker to bypass workspace restrictions thr…
    CVE-2026-87986 (CVSS 10) — An arbitrary code execution vulnerability in Mistral Vibe allows an attacker to bypass command permission chec…
    CVE-2026-87985 (CVSS 10) — An arbitrary code execution vulnerability in Mistral Vibe allows an attacker to bypass command permission chec…

    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