CVE record · CVE-2026-100256

JetBrains IntelliJ IDEA: In JetBrains IntelliJ IDEA before 2026.2.3 rCE via Structural Search script constraints…

CVSS 7.8 HighEPSS 0.0013 · 2nd percentile

Published by the CVE Program (CNA: JetBrains) at 30 Sept 2026, 15:17 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
Vendor	Product	Versions
JetBrains	IntelliJ IDEA	affected before 2026.2.3 semver Other versions: unaffected

Identifiers: CVE-2026-100256
CNA: JetBrains
Weakness (CWE): CWE-829
Tags: JetBrains IntelliJ IDEA
CWE-829
Published: 30 Sept 2026
Updated: 1 Oct 2026

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

Score	Rating	CVSS	Vector	Source
7.8	High	3.1	CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H	CNA (JetBrains)

CISA KEV Not listed.
EPSS 0.0013, the 2nd percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of the CVE Program, published 30 Sept 2026. New records show when each source confirmed them.

Sources

References from the CNA

www.jetbrains.com/privacy-security/issues-fixed/

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.