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

Published 2026-05-29 · last modified 2026-07-22.

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.

EPSS exploit prediction

EPSS: 0.002 (7.2th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 7th percentile — 7.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.001 · newest: 0.002 · change: +0.000

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

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