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CVE-2026-49366

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

7.8 High

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

Attack profile

How easy it is to exploit

Attack vector
Local
Complexity
Low
Privileges needed
None
User interaction
Required

What an attacker can affect

Confidentiality
High
Integrity
High
Availability
High

Exploit likelihood

0.46%Up 0.5 points since May 30, 2026
90%50%10%1%

What each source reports

CVE List Score used 7.8

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

Record
CVE-2026-49366
CVSS 3.1
7.8 HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness
CWE-78
Updated
2026-11-02
EUVDEUVD-2026-33414 7.8

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

Record
EUVD-2026-33414
CVSS 3.1
7.8 HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated
2026-11-02
GitHub AdvisoriesGHSA-rc87-jvvm-wgq4 7.8

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

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

Record
GHSA-rc87-jvvm-wgq4
CVSS 3.1
7.8 HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness
CWE-78
Updated
2026-11-02
NVD 7.8

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

Record
CVE-2026-49366
CVSS 3.1
7.8 HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness
CWE-78
Updated
2026-11-02
OSV 7.8

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

Record
CVE-2026-49366
CVSS 3.1
7.8 HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness
CWE-78
Updated
2026-11-02

Affected products

History

History
RecordedChangedSources
aliases, publishedEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2026-49366 is a high vulnerability (CVSS 7.8) in Jetbrains Intellij Idea, published May 29, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.46%, the 39th percentile. No source names a fixed version.

References

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