Review reviewHigh

CVE-2026-49366

JetBrains IntelliJ IDEA, intellij idea

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

CVSS
7.8
EPSS
0.46%
37.3% percentile
CISA KEV
Not listed
Published
2026.05.30
PRIORITY ASSESSMENT

Review review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV
Exploit probability0.46%
Technical severityCVSS 7.8

Vulnerability overview

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

Affected product and versions

Product
JetBrains IntelliJ IDEA, intellij idea
Affected versions
< 2026.1.1
Fixed versions
2026.1.1

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide
  1. 1
    Identify

    Confirm that JetBrains IntelliJ IDEA, intellij idea and an affected version are present.

  2. 2
    Prioritize

    Combine exploitation signals with asset exposure and business criticality.

  3. 3
    Remediate

    Follow the vendor advisory or supported update path and preserve rollback options.

  4. 4
    Verify

    Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CWE
CWE-78