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CVE-2026-87986

Quick assessment

Affected
mistralai mistral-vibe
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Mistral Vibe 中存在一个任意代码执行漏洞。攻击者可以利用 shell 语法结构绕过命令权限检查，因为该工具的解析器无法解释这些结构。由于未被解析的部分会被忽略而不会受到检查，其中嵌入的命令便能在用户系统上未经批准即可执行。

CVSS 10.0 · Critical
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I. Basic Information for CVE-2026-87986

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
Source: CVE Program / CVE List V5
Vulnerability Type
语法无效结构处理不恰当
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
mistralai mistral-vibe 1.3.4 ~ * -

II. Public POCs for CVE-2026-87986

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III. Intelligence Information for CVE-2026-87986

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Vendor Advisories for CVE-2026-87986 (1)

Same Patch Batch · mistralai · 2026-09-11 · 6 CVEs total

CVE-2026-87987 10.0 CRITICAL Mistral Vibe：环境变量赋值绕过检查导致任意代码执行
CVE-2026-87985 10.0 CRITICAL Mistral Vibe 任意代码执行漏洞
CVE-2026-87988 10.0 CRITICAL Mistral Vibe 任意文件访问漏洞
CVE-2026-87984 9.3 CRITICAL Mistral Vibe 1.3.4 任意文件写入漏洞
CVE-2026-87983 9.2 CRITICAL Mistral Vibe 2.6.0 任意文件读取漏洞

IV. Related Vulnerabilities

Same product: mistral-vibe
Same vendor: mistralai
Same weakness: CWE-228

V. Comments for CVE-2026-87986

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