CVE-2026-100256
HighCVSS 7.8Exploitation Probability (EPSS)
Low risk2th percentile - higher than 2% of all known CVEs
Summary
In JetBrains IntelliJ IDEA before version 2026.2.3, remote code execution (RCE) via Structural Search script constraints was possible in untrusted projects.
Risk Assessment
Opening an untrusted project in the IDE can lead to malicious code execution on the developer's machine, compromising the environment.
Recommendation
Update IntelliJ IDEA to version 2026.2.3 or later and avoid opening untrusted projects.
Other vulnerabilities in JetBrains IntelliJ IDEA
See all- CVE-2026-41882High
In JetBrains IntelliJ IDEA versions before 2024.3.7.1, 2025.1.7.1, 2025.2.6.2, 2025.3.4.1, and 2026.1.1, it was possible to read arbitrary local files via the built-in web server.
- CVE-2026-64812Critical
In JetBrains IntelliJ IDEA before version 2026.2, unauthorized input injection is possible during a Remote Development session.
- CVE-2026-86505Low
In JetBrains IntelliJ IDEA before 2026.2.2 missing project-trust check leaked project metadata to JetBrains Marketplace.
- CVE-2026-86503Low
In JetBrains IntelliJ IDEA before 2026.2.2 opening an untrusted project could trigger SSRF via Kubernetes spec-source URL fetching.
- CVE-2026-86501Low
In JetBrains IntelliJ IDEA before 2026.2.2 terminal command input could be written to idea.log.
- CVE-2026-75058Medium
In JetBrains IntelliJ IDEA before 2026.2.1 XXE was possible in the Eclipse settings importers.
- CVE-2026-75057Medium
In JetBrains IntelliJ IDEA before 2026.1.5 git credentials were written in plaintext to the IDE log.
- CVE-2026-75056High
In JetBrains IntelliJ IDEA before 2026.2.1, remote code execution (RCE) was possible via the Markdown export tool.
- CVE-2026-75055Medium
In JetBrains IntelliJ IDEA before 2026.2.1 hadoop ResourceManager could read local files via XXE.
- CVE-2026-75054Medium
In JetBrains IntelliJ IDEA before 2026.2.1 SSRF was possible via the OpenAPI preview proxy in untrusted projects.
Original NVD description (English source)
In JetBrains IntelliJ IDEA before 2026.2.3 rCE via Structural Search script constraints was possible in untrusted projects
Vulnerability data from NVD (NIST) · CISA KEV · EPSS