High severity · published Sep 30, 2026
CVE-2026-100256
In JetBrains IntelliJ IDEA before 2026.2.3 rCE via Structural Search script constraints was possible in untrusted projects
7.8
CVSS
0.1%
EPSS
No
On KEV
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.1% · higher than 3% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
II
IntelliJ IDEA · JetBrains
before 2026.2.3 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-100256
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-100256
www.jetbrains.com
https://www.jetbrains.com/privacy-security/issues-fixed/
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