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CVE-2026-41882

Quick assessment

Affected
JetBrains IntelliJ IDEA
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

JetBrains IntelliJ IDEA是捷克JetBrains公司的一套适用于Java语言的集成开发环境。 JetBrains IntelliJ IDEA 2024.3.7.1之前版本、2025.1.7.1之前版本、2025.2.6.2之前版本、2025.3.4.1之前版本和2026.1.1之前版本存在后置链接漏洞，该漏洞源于内置Web服务器问题，可能导致读取任意本地文件。

CVSS 7.4 · High EPSS 0.44% · P36

Possible ATT&CK Techniques 1 AI

T1083 · File and Directory Discovery

Affected Version Matrix 1

VendorProduct Version RangeStatus
JetBrains IntelliJ IDEA < 2024.3.7.1, 2025.1.7.1, 2025.2.6.2, 2025.3.4.1, 2026.1.1 affected
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I. Basic Information for CVE-2026-41882

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 2024.3.7.1, 2025.1.7.1, 2025.2.6.2, 2025.3.4.1, 2026.1.1 reading arbitrary local files was possible via built-in web server
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
在文件访问前对链接解析不恰当(链接跟随)
Source: CVE Program / CVE List V5
Vulnerability Title
JetBrains IntelliJ IDEA 后置链接漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
JetBrains IntelliJ IDEA是捷克JetBrains公司的一套适用于Java语言的集成开发环境。 JetBrains IntelliJ IDEA 2024.3.7.1之前版本、2025.1.7.1之前版本、2025.2.6.2之前版本、2025.3.4.1之前版本和2026.1.1之前版本存在后置链接漏洞，该漏洞源于内置Web服务器问题，可能导致读取任意本地文件。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
JetBrains IntelliJ IDEA 0 ~ 2024.3.7.1, 2025.1.7.1, 2025.2.6.2, 2025.3.4.1, 2026.1.1 -

II. Public POCs for CVE-2026-41882

# POC Description Source Link Shenlong Link
AI-Generated POC Premium
default-local-qwen3.6 · 10758 chars
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Vulnerability reproduction recording (real sandbox build + trigger, exclusive)
In-depth vulnerability mechanism
Trigger conditions & impact
Full executable POC code
Exploit chain & mitigation
POC zip download
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III. Intelligence Information for CVE-2026-41882

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Vendor Pages for CVE-2026-41882 (1)

IV. Related Vulnerabilities

Same product: IntelliJ IDEA
Same vendor: JetBrains
Same weakness: CWE-59

V. Comments for CVE-2026-41882

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