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VulnerabilityCVE-2026-49382Published 2026-05-29

CVE-2026-49382 — JetBrains IntelliJ IDEA

medium

As of 2026-05-29, CVE-2026-49382 is a MEDIUM-severity vulnerability in JetBrains IntelliJ IDEA, CVSS v3.1 4.5, EPSS 0.1% (7.3th percentile). Threadlinqs Intelligence links 1 tracked threat campaign to CVE-2026-49382, most recently “Multiple JetBrains Product Vulnerabilities: Account Takeover, Privilege Escalation, and RCE Across Hub, YouTrack, IntelliJ IDEA, Kotlin, GoLand, and TeamCity”.

CVSS v3.1
4.5/10Medium
EPSS
0.1%Higher than 7.3% of scored CVEs
CISA KEV
NoNot in the KEV catalog
Tracked threats
1Campaigns referencing it
Priority
2.5/10Threadlinqs triage score
Published
CVSS v3.1 4.5 (MEDIUM) · EPSS 0.1% (higher than 7.3% of all scored CVEs) · Priority 2.5/10 · Published 2026-05-29

Last updated:

What is CVE-2026-49382?

In JetBrains IntelliJ IDEA before 2026.1 code execution was possible via template injection in the Copyright plugin

The record classifies CVE-2026-49382 under weakness class CWE-1336. Its CVSS v3 base vector states that the flaw requires local access to the host, needs no prior authentication, needs a user to take an action first. 1 affected-product entry is recorded, across 1 vendor, listed below. The identifier was first published 134 days ago.

Severity and exploitation probability

CVSS v3.1 base score
4.5 — MEDIUM
CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L
EPSS (FIRST)
0.1% probability of exploitation in the next 30 days, higher than 7.3% of all scored CVEs
CISA KEV
Not listed in the CISA Known Exploited Vulnerabilities catalog
Threadlinqs priority
2.5/10 — a Threadlinqs composite of the CVSS base score, the EPSS percentile and public exploit availability
Published
2026-05-29

Is CVE-2026-49382 being exploited?

It currently carries a trending score of 7 in the Threadlinqs vulnerability feed.

Affected products and versions

How to fix CVE-2026-49382

No vendor patch reference has been recorded for CVE-2026-49382 in the tracked sources. Follow the references below for a fix, and treat the products listed above as exposed until the vendor states otherwise.

Threat activity tracking CVE-2026-49382

1 tracked threat in the Threadlinqs corpus references CVE-2026-49382, either in the campaign’s CVE list or as an indicator on the campaign record.

Sources

Enriched from CVE.org, FIRST EPSS, GitHub Security Advisories. Last verified by Threadlinqs on .

Other references