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Vulnerability record · CVE-2026-100256 · published 30 September 2026

CVE-2026-100256: Jetbrains intellij idea inclusion from untrusted sphere vulnerability

Jetbrains · Intellij Idea

In JetBrains IntelliJ IDEA before 2026.2.3 rCE via Structural Search script constraints was possible in untrusted projects

7.8 CVSS 3.1 High EPSS 0.13% · top 97.5% CWE-829 · Inclusion from untrusted sphere
7.8CVSS 3.1 base score
0.13%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
1References
2 Oct 2026Last modified by NVD

Description

In JetBrains IntelliJ IDEA before 2026.2.3 rCE via Structural Search script constraints was possible in untrusted projects

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://www.jetbrains.com/privacy-security/issues-fixed/ Vendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

10.0CVE-2026-64813Jetbrains intellij idea vulnerabilityIn JetBrains IntelliJ IDEA before 2026.2 unauthorized settings modification was possible in a Remote Development sessionEPSS 0.52%10.0CVE-2026-64812Jetbrains intellij idea missing authentication for critical function vulnerabilityIn JetBrains IntelliJ IDEA before 2026.2 unauthorized input injection was possible in a Remote Development sessionEPSS 0.48%9.8CVE-2026-64815Jetbrains intellij idea code injection vulnerabilityIn JetBrains IntelliJ IDEA before 2026.2 arbitrary code injection was possible via UI Designer form filesEPSS 0.48%9.8CVE-2026-59792Jetbrains intellij idea relative path traversal vulnerabilityIn JetBrains IntelliJ IDEA before 2026.1.4, 2026.2 code execution via path traversal in project workspace ID handling was possibleEPSS 0.61%9.8CVE-2023-51655Jetbrains intellij idea insufficient verification of data authenticity vulnerabilityIn JetBrains IntelliJ IDEA before 2023.3.2 code execution was possible in Untrusted Project mode via a malicious plugin repository specified in the p…EPSS 0.33%9.8CVE-2021-45977Jetbrains clion vulnerabilityJetBrains IntelliJ IDEA 2021.3.1 Preview, IntelliJ IDEA 2021.3.1 RC, PyCharm Professional 2021.3.1 RC, GoLand 2021.3.1, PhpStorm 2021.3.1 Preview, Ph…EPSS 1.1%9.8CVE-2020-11690Jetbrains intellij idea vulnerabilityIn JetBrains IntelliJ IDEA before 2020.1, the license server could be resolved to an untrusted host in some cases.EPSS 2.3%9.8CVE-2019-9873Jetbrains intellij idea cleartext storage of sensitive data vulnerabilityIn several versions of JetBrains IntelliJ IDEA Ultimate, creating Task Servers configurations leads to saving a cleartext unencrypted record of the s…EPSS 1.6%

Source: NIST National Vulnerability Database (record CVE-2026-100256), CISA KEV, FIRST EPSS (scores of 2026-10-09). This page is refreshed as NVD updates the record.