Cyber Resilience

CVE-2026-49382

Medium

Published: 29 May 2026

Published
29 May 2026
Modified
01 June 2026
KEV Added
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Patch
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CVSS Score v3.1 4.5 CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L
EPSS Score 0.0014 3.3th percentile
Risk Priority 9 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2026-49382 is a medium-severity Improper Neutralization of Special Elements Used in a Template Engine (CWE-1336) vulnerability in Jetbrains Intellij Idea. Its CVSS base score is 4.5 (Medium).

Operationally, exploitation aligns with the MITRE ATT&CK technique Template Injection (T1221); ranked at the 3.3th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

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

CWE(s)
CWE-1336

Related Threats

MITRE ATT&CK Enterprise TechniquesAI

T1221 Template Injection Stealth
Adversaries may create or modify references in user document templates to conceal malicious code or force authentication attempts.
attack.mitre.org →
Why these techniques?

Explicit template injection leading to code execution directly matches T1221.

Confidence: HIGH · MITRE ATT&CK Enterprise v18.1

Affected Assets

jetbrains
intellij idea
≤ 2026.1

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References