Vulnerability · Published Jul 23, 2026 · Assigned by JetBrains
CVE-2026-64807
High 7.8
In plain English
A high-severity security flaw in WebStorm from JetBrains. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 8% of all known vulnerabilities).
Severity (CVSS 3.1)7.8High
Exploit odds (30 days)0.2%top 91.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
In JetBrains WebStorm before 2026.2 arbitrary code execution was possible via a project-supplied linter configuration
Affected products (as reported)
Weakness: CWE-829 · Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H