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CVE-2026-49366 | Mondoo Vulnerability Intelligence

Vulnerability IntelligenceCVE-2026-49366

CVE-2026-49366

HIGH7.8

In JetBrains IntelliJ IDEA before 2026

Published May 29, 2026

Modified 6 days ago

Fix available

Details

In JetBrains IntelliJ IDEA before 2026.1.1 command injection was possible via filename completion

Affected Packages

intellij-idea

Debian 10Debian 11Debian 12Debian 13Fedora 39

Fixed in:

2026.1.1

intellij-idea-community

Ubuntu 14.04 LTSUbuntu 16.04 LTSUbuntu 18.04 LTSUbuntu 20.04 LTSUbuntu 22.04 LTS

Fixed in:

2026.1.1

intellij-idea-ultimate

Ubuntu 14.04 LTSUbuntu 16.04 LTSUbuntu 18.04 LTSUbuntu 20.04 LTSUbuntu 22.04 LTS

Fixed in:

2026.1.1

IntelliJ IDEA

Windows 10 (1507)Windows 10 (1607) / Server 2016Windows 10 (1809) / Server 2019Windows 10 (1903)Windows 10 (1909)

Fixed in:

2026.1.1

IntelliJ IDEA Community Edition

Windows 10 (1507)Windows 10 (1607) / Server 2016Windows 10 (1809) / Server 2019Windows 10 (1903)Windows 10 (1909)

Fixed in:

2026.1.1

IntelliJ IDEA Ultimate

Windows 10 (1507)Windows 10 (1607) / Server 2016Windows 10 (1809) / Server 2019Windows 10 (1903)Windows 10 (1909)

Fixed in:

2026.1.1

IntelliJ IDEA CE

macOS 14macOS 15macOS 26

Fixed in:

2026.1.1

References

ADVISORY

https://www.cve.org/CVERecord?id=CVE-2026-49366

WEB

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

CVSS Analysis

CVSS v3.1

7.8

Exploitability

Attack Vector

LocalAV:L

Attack Complexity

LowAC:L

Privileges Required

NonePR:N

User Interaction

RequiredUI:R

Scope

UnchangedS:U

Impact

Confidentiality

HighC:H

Integrity

HighI:H

Availability

HighA:H

7.8/CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Weakness Type (CWE)

Injection

CWE-78

OS Command Injection

Ecosystems(42)

Debian 10 Debian 11 Debian 12 Debian 13 Fedora 39

Timeline

PublishedMay 29, 2026

ModifiedMay 30, 2026