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CVE-2026-87983

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 中存在一个任意文件读取漏洞，该漏洞自 2.6.0 版本引入。攻击者可以利用允许列表中的 shell 命令使用带引号的绝对路径，从而绕过工作区限制。由于在路径验证过程中对引号的处理不当，使得攻击者能够在未经用户批准的情况下，读取当前活跃工作区之外的文件。

CVSS 9.2 · Critical

Possible ATT&CK Techniques 1 AI

T1083 · File and Directory Discovery
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I. Basic Information for CVE-2026-87983

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
对路径名的限制不恰当(路径遍历)
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
mistralai mistral-vibe 2.6.0 ~ * -

II. Public POCs for CVE-2026-87983

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III. Intelligence Information for CVE-2026-87983

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Vendor Advisories for CVE-2026-87983 (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-2026-87986 10.0 CRITICAL Mistral Vibe 解析缺陷致任意代码执行漏洞
CVE-2026-87984 9.3 CRITICAL Mistral Vibe 1.3.4 任意文件写入漏洞

IV. Related Vulnerabilities

Same product: mistral-vibe
Same vendor: mistralai
Same weakness: CWE-22

V. Comments for CVE-2026-87983

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