VulnSocial

CVE-2026-87983Disclosure

LOWCVSS 9.2 · 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 file read vulnerability in Mistral Vibe, introduced in version 2.6.0, allows an attacker to bypass workspace restrictions using quoted absolute paths in allowlisted shell commands. Improper handling of quotation marks during path validation enables files outside the active workspace to be read without user approval.

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0.0/ 10 priority

Sources & remediation

Other references
Weakness type (CWE)
CWE-22

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 new CVEs in Mistral Vibe, noting three allow RCE while the rest enable arbitrary file operations; no patches or proof‑of‑concepts are disclosed.

    00021399
    2.4K followersView on X

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