VulnSocial

CVE-2026-87988Disclosure

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 file access vulnerability in Mistral Vibe allows an attacker to bypass workspace restrictions through commands classified as unconditionally allowed. Missing path validation for these commands enables access to files outside the active workspace without user approval.

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0.0/ 10 priority

Sources & remediation

Other references
Weakness type (CWE)
CWE-732

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 · 2026-09-15: 1Technical Details · 2026-09-15: 109-15
Signal classification1 categories
Disclosure
1100.0%
Referenced assets1 URL
By indicator
Full discourse1 post
  • Ryx@PadhiyarRushi
    Disclosure

    Mistral Vibe (CVE-2026-87988, CVSS 10.0) arbitrary file access via missing path validation on commands that were treated as unconditionally allowed. Unauthenticated attacker can break out of the intended workspace and read files they shouldn’t. Another case where “the command is allowed” was confused with “any path argument is safe.” https://cvebrief.com/cve/cve-2026-87988/ #Cybersecurity #AI #AISecurity #MCP #Claude #GPT #Infosec #Trending #AppSec

    Post summary

    The tweet discloses CVE-2026-87988 in Mistral Vibe, an arbitrary file access flaw with CVSS 10.0 allowing unauthenticated file reads. No PoC, exploit, patch, or active exploitation is mentioned.

    20052449
    953 followersView on X

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