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CVE-2026-123305

Quick assessment

Affected
JetBrains IntelliJ IDEA
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 IntelliJ IDEA 2026.3 之前的版本中，从远程主机解压 Dev Container 存档时，存在路径遍历漏洞。

CVSS 7.5 · High

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-123305

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
In JetBrains IntelliJ IDEA before 2026.3 path traversal was possible via unpacking Dev Container archives from a remote host
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
相对路径遍历
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
JetBrains IntelliJ IDEA 0 ~ 2026.3 -

II. Public POCs for CVE-2026-123305

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2026-123305

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Vendor Pages for CVE-2026-123305 (1)

Same Patch Batch · JetBrains · 2026-11-06 · 61 CVEs total

CVE-2026-123294 9.6 CRITICAL JetBrains Hub 2026.2.52556 前验证流程提权漏洞
CVE-2026-123279 9.0 CRITICAL JetBrains Datalore 2026.4 前代码执行漏洞
CVE-2026-123323 8.4 HIGH YouTrack 多版本应用组件主机 URL 验证漏洞
CVE-2026-123301 8.2 HIGH IntelliJ IDEA 2026.3 之前 dOM 型 XSS 漏洞
CVE-2026-123280 8.1 HIGH JetBrains Datalore 2026.2.4 前未认证代码执行漏洞
CVE-2026-123317 8.1 HIGH JetBrains Ktor 3.6.1 之前会话伪造漏洞
CVE-2026-123295 8.1 HIGH JetBrains Hub 2026.2.52519 前双因素认证可被禁用
CVE-2026-123321 7.8 HIGH WebStorm 2026.3 前Grunt/Gulp任务加载代码执行漏洞
CVE-2026-123293 7.8 HIGH IntelliJ IDEA 2026.2.4 Terraform 配置远程代码执行漏洞
CVE-2026-123304 7.8 HIGH IntelliJ IDEA 2026.3 前 ShellCheck 路径远程代码执行漏洞
CVE-2026-123276 7.8 HIGH CLion 2026.3 前 Safe Mode 远程代码执行漏洞
CVE-2026-123302 7.8 HIGH IntelliJ IDEA 远程代码执行漏洞（脚本引擎发现）
CVE-2026-123324 7.7 HIGH YouTrack 2026.2.19562 之前共享邮箱信息泄露漏洞
CVE-2026-123327 7.5 HIGH YouTrack 2026.2.19562 前版本查询授权缺失致信息泄露
CVE-2026-123296 7.5 HIGH JetBrains Hub 2026.2.52519 前邮箱验证提权漏洞
CVE-2026-123281 7.5 HIGH JetBrains Datalore 2026.4 前侧边容器命令执行漏洞
CVE-2026-123306 7.4 HIGH IntelliJ IDEA 2026.3 前头less模式证书信任漏洞
CVE-2026-123282 7.4 HIGH Datalore 2026.4 前账户令牌缺失过期验证漏洞
CVE-2026-123326 7.1 HIGH YouTrack 2026.2.19197 前脚本调试器授权漏洞
CVE-2026-123325 7.1 HIGH YouTrack 远程代码执行漏洞

Showing top 20 of 61 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: IntelliJ IDEA
Same vendor: JetBrains
Same weakness: CWE-23