Review reviewHigh

CVE-2026-64806

JetBrains WebStorm, webstorm

In JetBrains WebStorm before 2026.2 arbitrary code execution was possible before granting project trust via the configured Node.js interpreter

CVSS
8.4
EPSS
-
- percentile
CISA KEV
Not listed
Published
2026.07.23
PRIORITY ASSESSMENT

Review review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV
Exploit probability-
Technical severityCVSS 8.4

Vulnerability overview

In JetBrains WebStorm before 2026.2 arbitrary code execution was possible before granting project trust via the configured Node.js interpreter

Affected product and versions

Product
JetBrains WebStorm, webstorm
Affected versions
< 2026.2, < 2026.2.0
Fixed versions
2026.2.0

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide
  1. 1
    Identify

    Confirm that JetBrains WebStorm, webstorm 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:N/S:U/C:H/I:H/A:H
CWE
CWE-829