Vulnerability · Published Jul 23, 2026 · Assigned by JetBrains
CVE-2026-64810
Medium 4.3
In plain English
A medium-severity cross-site scripting in IntelliJ IDEA from JetBrains. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 17% of all known vulnerabilities).
Severity (CVSS 3.1)4.3Medium
Exploit odds (30 days)0.3%top 83.1% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
In JetBrains IntelliJ IDEA before 2026.2 hTML injection was possible in an IDE notification, allowing silent user activity tracking
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| JetBrains | IntelliJ IDEA | 0 – before 2026.2 |
Weakness: CWE-79 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N