VulnSocial

CVE-2026-87986Disclosure

LOWCVSS 10.0 · CRITICAL

Signal is active with 1 mentions in latest observed window

Immediate actions

  • Track advisory updates for patch or workaround availability

Recommended action window: Monitor and triage in normal cycle

NVD description

An arbitrary code execution vulnerability in Mistral Vibe allows an attacker to bypass command permission checks using shell constructs it's parser cannot interpret. Unparsed portions are omitted from inspection, enabling embedded commands to execute on the user's system without approval.

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0.0/ 10 priority

Sources & remediation

Other references
Weakness type (CWE)
CWE-228

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

NONE

Momentum

NONE

Threat summary

  • 1 mentions across 1 observed day

What's happening

  • Technical details provided in 1 signal
  • Disclosure: 1 classified signal
  • 1 total mentions across 1 day

Deep dive

Activity timeline1 mentions / 1d
00111Mentions · 2026-09-12: 1Technical Details · 2026-09-12: 109-12
Signal classification1 categories
Disclosure
1100.0%
Full discourse1 post
  • Rıdvan Yağlı@ridvanyagli
    Disclosure

    🚨 Mistral Vibe'da 6 kritik güvenlik açığı! Mistral AI'nin kodlama ajanı Mistral Vibe'da CVE-2026-87983/84/85/86/87/88 numaralı 6 güvenlik açığı tespit edildi. 🔴 3 açık doğrudan RCE'ye yol açabiliyor: • CVE-2026-87985 • CVE-2026-87986 • CVE-2026-87987 Diğer açıklar ise workspace izolasyonunun aşılmasıyla arbitrary file read/write yapılmasına izin verebiliyor. Özellikle agent'ın komut izin/allowlist mekanizmasının bypass edilebilmesi dikkat çekiyor. ⚠️ Şu an için bu CVE'ler için vendor tarafından açıklanmış net bir fixed version bulunmuyor.

    Post summary

    The post announces six critical CVEs (CVE‑2026‑87983 to 87988) in Mistral Vibe, detailing that three enable remote code execution and others allow arbitrary file read/write through workspace isolation and allowlist bypass. No patch, exploit, or active exploitation evidence is provided.

    00021399
    2.4K followersView on X

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