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

Source: https://junglewise.ai/threats/cve-2026-64812-jetbrains-intellij-idea-unauthorized-input-injection-in-remote  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-07-23. Updated: 2026-07-23  
License: CC BY 4.0 with a link back

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](https://junglewise.ai/threats/technologies/intellij-idea). Vendors: [Jetbrains](https://junglewise.ai/threats/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/](https://www.jetbrains.com/privacy-security/issues-fixed/)

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