CVE-2026-64806: CWE-829 in JetBrains WebStorm
A high-severity vulnerability (CWE-829) in JetBrains WebStorm before version 2026.2 allows arbitrary code execution via the configured Node.js interpreter before project trust is granted. This issue affects local attack vectors without user interaction and impacts confidentiality, integrity, and availability. No official patch or remediation guidance has been provided yet.
AI Analysis
Technical Summary
CVE-2026-64806 is a vulnerability in JetBrains WebStorm versions prior to 2026.2 that permits arbitrary code execution before the user grants project trust. The flaw involves the configured Node.js interpreter, which can be exploited locally without requiring user interaction. The vulnerability is classified under CWE-829 (Inclusion of Functionality from Untrusted Control Sphere) and has a CVSS 3.1 base score of 8.4, indicating high severity. The vendor has published the advisory but has not yet provided an official fix or remediation level. No known exploits in the wild have been reported.
Potential Impact
Successful exploitation allows an attacker with local access to execute arbitrary code with the privileges of the user running WebStorm before project trust is established. This can lead to full compromise of the affected system's confidentiality, integrity, and availability.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, users should exercise caution when opening untrusted projects and restrict local access to trusted users only.
CVE-2026-64806: CWE-829 in JetBrains WebStorm
Description
A high-severity vulnerability (CWE-829) in JetBrains WebStorm before version 2026.2 allows arbitrary code execution via the configured Node.js interpreter before project trust is granted. This issue affects local attack vectors without user interaction and impacts confidentiality, integrity, and availability. No official patch or remediation guidance has been provided yet.
CVSS v3.1
Score 8.4high
Affected software
pkg:github/jetbrains/WebStormRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-64806 is a vulnerability in JetBrains WebStorm versions prior to 2026.2 that permits arbitrary code execution before the user grants project trust. The flaw involves the configured Node.js interpreter, which can be exploited locally without requiring user interaction. The vulnerability is classified under CWE-829 (Inclusion of Functionality from Untrusted Control Sphere) and has a CVSS 3.1 base score of 8.4, indicating high severity. The vendor has published the advisory but has not yet provided an official fix or remediation level. No known exploits in the wild have been reported.
Potential Impact
Successful exploitation allows an attacker with local access to execute arbitrary code with the privileges of the user running WebStorm before project trust is established. This can lead to full compromise of the affected system's confidentiality, integrity, and availability.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, users should exercise caution when opening untrusted projects and restrict local access to trusted users only.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- JetBrains
- Date Reserved
- 2026-07-20T18:20:29.006Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a6207959c2644c7f80b646c
Added to database: 07/23/2026, 12:22:45 UTC
Last enriched: 07/30/2026, 23:11:42 UTC
Last updated: 09/06/2026, 22:52:12 UTC
Views: 115
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