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MEDIUM · 4.3

CVE-2026-64810

In JetBrains IntelliJ IDEA before 2026.2 hTML injection was possible in an IDE notification, allowing silent user activity tracking

Vulnerability Description

In JetBrains IntelliJ IDEA before 2026.2 hTML injection was possible in an IDE notification, allowing silent user activity tracking

CVSS Score

4.3

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
LOW
Integrity
NONE
Availability
NONE

Affected Products

VendorProductVersions
JetbrainsIntellij Idea< 2026.2

Related Weaknesses (CWE)

CWE-79

References

FAQ

What is CVE-2026-64810?

CVE-2026-64810 is a vulnerability with a CVSS score of 4.3 (MEDIUM). In JetBrains IntelliJ IDEA before 2026.2 hTML injection was possible in an IDE notification, allowing silent user activity tracking

How severe is CVE-2026-64810?

CVE-2026-64810 has been rated MEDIUM with a CVSS base score of 4.3/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-64810?

Check the references section above for vendor advisories and patch information. Affected products include: Jetbrains Intellij Idea.