What is CVE-2026-49382?

CVE-2026-49382 is a medium-severity vulnerability in Jetbrains Intellij Idea, classified under Improper Neutralization of Special Elements Used in a Template Engine. CVSS score: 4.5/10. Published 2026-05-29.

How severe is CVE-2026-49382?

Medium severity. CVSS v3 base score is 4.5 out of 10.

Vulnerability in Jetbrains Intellij Idea

CVE-2026-49382

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

EPSS: 0.000 (0.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.5 (Medium). Vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L.

Affected products

Jetbrains Intellij Idea — versions 0
Jetbrains Intellij_idea

Weakness classification (CWE)

CWE-1336 — Improper Neutralization of Special Elements Used in a Template Engine

References

cve@jetbrains.com (Vendor Advisory)

Frequently asked questions

What is CVE-2026-49382?: CVE-2026-49382 is a medium-severity vulnerability in Jetbrains Intellij Idea, classified under Improper Neutralization of Special Elements Used in a Template Engine. CVSS score: 4.5/10. Published 2026-05-29.
How severe is CVE-2026-49382?: Medium severity. CVSS v3 base score is 4.5 out of 10.