CVE-2026-49366: OS Command Injection
Published May 29, 2026
·Updated
In JetBrains IntelliJ IDEA before 2026.1.1 command injection was possible via filename completion
Affected Software
2 affected components
JetBrains IntelliJ IDEA<2026.1.1
JetBrains IntelliJ IDEA<2026.1.1
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
JetBrains IntelliJ IDEAto a version that resolves this vulnerability.Fixed in 2026.1.1
Event History
May 29, 2026
CVE Published
via MITRE·06:15 PM
Data Sourced
via MITRE·06:15 PM
DescriptionSeverityWeakness
Data Sourced
via NVD·07:16 PM
DescriptionSeverityWeaknessAffected Software
Frequently Asked Questions
1
What is the severity of CVE-2026-49366?
CVE-2026-49366 has a severity rating of 7.8, categorized as high.
2
How do I fix CVE-2026-49366?
To mitigate CVE-2026-49366, update JetBrains IntelliJ IDEA to version 2026.1.1 or later.
3
What type of vulnerability is CVE-2026-49366?
CVE-2026-49366 is classified as an OS Command Injection vulnerability.
4
What versions of JetBrains IntelliJ IDEA are affected by CVE-2026-49366?
CVE-2026-49366 affects JetBrains IntelliJ IDEA versions before 2026.1.1.
5
What impact does CVE-2026-49366 have on systems?
CVE-2026-49366 can allow attackers to execute arbitrary commands on the host system via filename completion.