Is CVE-2026-64812 exploited in the wild?

No. Junglewise Threat Intelligence has no report of CVE-2026-64812 being exploited in the wild.

How severe is CVE-2026-64812?

Critical severity, with a CVSS score of 10, published 23 July 2026.

Which products and versions are affected?

Jetbrains IntelliJ IDEA before 2026.2.

Is there a fix for CVE-2026-64812?

No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

How is CVE-2026-64812 attacked?

It is attacked over the network, in a network appliance.

Am I affected by CVE-2026-64812?

Check whether you run Jetbrains IntelliJ IDEA at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

CVE-2026-64812: JetBrains IntelliJ IDEA unauthorized input injection in Remote Development session

CVE-2026-64812 · Severity: critical · CVSS 10 · Published 2026-07-23

IntelliJ IDEA is a popular development environment used by software engineers to write and manage code. A critical vulnerability in its Remote Development feature allows unauthorized individuals to inject commands or input into active sessions. This could lead to a total compromise of the development environment, including the theft of source code or the execution of malicious software on the developer's machine.

Technologies: Jetbrains IntelliJ IDEA. Vendors: Jetbrains.

Quick answers

Is CVE-2026-64812 exploited in the wild?: No. Junglewise Threat Intelligence has no report of CVE-2026-64812 being exploited in the wild.
How severe is CVE-2026-64812?: Critical severity, with a CVSS score of 10, published 23 July 2026.
Which products and versions are affected?: Jetbrains IntelliJ IDEA before 2026.2.
Is there a fix for CVE-2026-64812?: No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
How is CVE-2026-64812 attacked?: It is attacked over the network, in a network appliance.
Am I affected by CVE-2026-64812?: Check whether you run Jetbrains IntelliJ IDEA at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

Technical details

A vulnerability classified as CWE-306 (Missing Authentication for Critical Function) exists in JetBrains IntelliJ IDEA's Remote Development component. The flaw allows an unauthenticated remote attacker to inject input into a session without authorization. Due to the 'Scope: Changed' (S:C) metric in the CVSS score, this injection can likely escape the immediate session context to impact the underlying host or integrated services. The vulnerability is fixed in version 2026.2.

Affected products

JetBrains IntelliJ IDEA before 2026.2

Timeline

2026-07-23: disclosed
2026-07-23: advisory

References

https://www.jetbrains.com/privacy-security/issues-fixed/

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