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CVE-2026-111091

Quick assessment

Affected
JetBrains Junie CLI
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.

在 JetBrains Junie CLI 26.8.3 之前的版本中，通过不受信任的项目的 MCP 服务器配置，可能导致代码执行漏洞。

CVSS 7.8 · High EPSS 0.14% · P3

Affected Version Matrix 1

VendorProduct Version RangeStatus
JetBrains Junie CLI < 26.8.3 affected
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I. Basic Information for CVE-2026-111091

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
In JetBrains Junie CLI before 26.8.3 code execution was possible via an untrusted project's MCP server configuration
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
从非可信控制范围包含功能例程
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
JetBrains Junie CLI 0 ~ 26.8.3 -

II. Public POCs for CVE-2026-111091

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III. Intelligence Information for CVE-2026-111091

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Vendor Pages for CVE-2026-111091 (1)

Same Patch Batch · JetBrains · 2026-10-15 · 6 CVEs total

CVE-2026-111094 8.1 HIGH TeamCity<2026.2远程代码执行漏洞
CVE-2026-111095 8.0 HIGH TeamCity影响版本XSS漏洞
CVE-2026-111093 7.5 HIGH JetBrains Datalore <2026.2.1 未授权路径穿越漏洞
CVE-2026-111096 6.7 MEDIUM JetBrains TeamCity多个版本经典构建日志存在存储型XSS漏洞
CVE-2026-111092 6.5 MEDIUM JetBrains YouTrack越权执行命令漏洞

IV. Related Vulnerabilities

Same vendor: JetBrains
Same weakness: CWE-829

V. Comments for CVE-2026-111091

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