Missing Authentication for Critical Function in IntelliJ IDEA - CVE-2026-64812
Published: August 17, 2026
Vulnerability identifier: #VU143853
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-64812
CWE-ID: CWE-306
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to inject unauthorized input.
The vulnerability exists due to improper authentication in Remote Development session handling when processing Remote Development session input. A remote attacker can send crafted input to inject unauthorized input.
Affected software
IntelliJ IDEA
How to mitigate CVE-2026-64812
Install security update from vendor's website.
IntelliJ IDEA - update to 2026.2