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TI-2026-46333 Aliases CVE-2026-64804GHSA-x88m-wx27-x7m2

In JetBrains WebStorm before 2026.2 arbitrary code execution was possible before granting…

Priority LOW 38CWE-829Published · Updated

Key facts

Attack vector
Local
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-829.

Summary

In JetBrains WebStorm before 2026.2 arbitrary code execution was possible before granting project trust via project-local linter tooling

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00192 8th percentileScored 2026-11-07
Fix Fixed WebStorm (JetBrains): 2026.2

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
JetBrainsWebStormbefore 2026.22026.2Patch availableCNA
  • WebStorm VendorJetBrains Affected before 2026.2 Fixed in 2026.2 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:jetbrains:webstorm:*:*:*:*:*:*:*:*before 2026.2.0VulnerableJetBrains
  • cpe:2.3:a:jetbrains:webstorm:*:*:*:*:*:*:*:* Versions before 2026.2.0 Vulnerable ·JetBrains

Remediation

  • Fix · CNA WebStorm (JetBrains) Fixed in 2026.2

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    JetBrains WebStorm 2026.2

    4 records Highest priority Priority LOW 4 LOW

    Other records, highest priority first

    • TI-2026-46335 In JetBrains WebStorm before 2026.2 arbitrary code execution was possible before granting…Priority LOW 38
    • TI-2026-46334 In JetBrains WebStorm before 2026.2 arbitrary code execution was possible before granting…Priority LOW 38
    • TI-2026-46336 In JetBrains WebStorm before 2026.2 arbitrary code execution was possible via a project-supplied linter configurationPriority LOW 35
    Show all 4 records →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-64804
  2. 2026-10-03 Alias added: GHSA-x88m-wx27-x7m2

References

Advisory 1

  • TI-2024-24589 Insufficiently protected credentials in JetBrains IntelliJ IDEA CVSS 3.1CRITICAL 9.3
  • TI-2021-11885 In JetBrains WebStorm before 2021.1, code execution without user confirmation was possible for untrusted projects. CVSS 3.1CRITICAL 9.8
  • TI-2021-20971 JetBrains IntelliJ IDEA 2021.3.1 Preview, IntelliJ IDEA 2021.3.1 RC, PyCharm Professional… CVSS 3.1CRITICAL 9.8
  • TI-2026-46335 In JetBrains WebStorm before 2026.2 arbitrary code execution was possible before granting… CVSS 3.1HIGH 8.4
  • TI-2026-46334 In JetBrains WebStorm before 2026.2 arbitrary code execution was possible before granting… CVSS 3.1HIGH 8.4
  • TI-2026-46336 In JetBrains WebStorm before 2026.2 arbitrary code execution was possible via a project-supplied linter configuration CVSS 3.1HIGH 7.8
See all 8 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences