CVE-2026-123838
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，攻击者可以通过 UI Designer 表单文件在安全模式（Safe Mode）下实现代码执行。
Possible ATT&CK Techniques 1 AI
T1203 · Exploitation for Client ExecutionAffected Version Matrix 1
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| JetBrains | IntelliJ IDEA | < 2026.3 |
affected |
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I. Basic Information for CVE-2026-123838
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
In JetBrains IntelliJ IDEA before 2026.3 code execution was possible in Safe Mode via UI Designer form file
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 | IntelliJ IDEA | 0 ~ 2026.3 | - |
|
II. Public POCs for CVE-2026-123838
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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No public POC found.
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Vendor Pages for CVE-2026-123838 (1)
Same Patch Batch · JetBrains · 2026-11-06 · 89 CVEs total
| CVE-2026-123294 | 9.6 CRITICAL | JetBrains Hub 2026.2.52556 前验证流程提权漏洞 |
| CVE-2026-123831 | 9.6 CRITICAL | CLion 2026.1.4 前版本 Meson 配置远程代码执行漏洞 |
| CVE-2026-123832 | 9.6 CRITICAL | CLion 2026.2 前 Safe Mode 下 JSON 编译库远程代码执行 |
| CVE-2026-123279 | 9.0 CRITICAL | JetBrains Datalore 2026.4 前代码执行漏洞 |
| CVE-2026-123836 | 8.8 HIGH | JetBrains Datalore 2026.4 前 SSH 私钥泄露漏洞 |
| 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-2026-123837 | 7.8 HIGH | IntelliJ IDEA 2026.2.1 以下版本 WSL Tomcat 命令注入漏洞 |
| 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-2026-123321 | 7.8 HIGH | WebStorm 2026.3 前Grunt/Gulp任务加载代码执行漏洞 |
| CVE-2026-123302 | 7.8 HIGH | IntelliJ IDEA 远程代码执行漏洞（脚本引擎发现） |
| CVE-2026-123293 | 7.8 HIGH | IntelliJ IDEA 2026.2.4 Terraform 配置远程代码执行漏洞 |
| CVE-2026-123841 | 7.8 HIGH | IntelliJ IDEA 2026.3 前版本导入设置时存在代码执行漏洞 |
| CVE-2026-123853 | 7.8 HIGH | IntelliJ IDEA 2026.2.2 安全模式远程代码执行漏洞 |
| CVE-2026-123324 | 7.7 HIGH | YouTrack 2026.2.19562 之前共享邮箱信息泄露漏洞 |
| CVE-2026-123296 | 7.5 HIGH | JetBrains Hub 2026.2.52519 前邮箱验证提权漏洞 |
Showing top 20 of 89 CVEs. View all on vendor page → →