# CVE-2026-64814: JetBrains IntelliJ IDEA unauthorized file access in Remote Development

Source: https://junglewise.ai/threats/cve-2026-64814-jetbrains-intellij-idea-unauthorized-file-access-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-2026-64814 · Severity: high · CVSS 8.6 · Published 2026-07-23

JetBrains IntelliJ IDEA, a popular software development environment, contained a vulnerability in its Remote Development feature. This flaw allowed unauthorized individuals to access files on a remote system during a development session. An exploit could lead to the theft of sensitive source code, configuration files, or other proprietary data stored on the development server.

Technologies: [Jetbrains IntelliJ IDEA](https://junglewise.ai/threats/technologies/intellij-idea). Vendors: [Jetbrains](https://junglewise.ai/threats/vendors/jetbrains).

## Quick answers

**Is CVE-2026-64814 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-64814 being exploited in the wild.

**How severe is CVE-2026-64814?** High severity, with a CVSS score of 8.6, published 23 July 2026.

**Which products and versions are affected?** Jetbrains IntelliJ IDEA before 2026.2.

**Is there a fix for CVE-2026-64814?** 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-2026-64814 attacked?** It is attacked over the network, in a network appliance.

**Am I affected by CVE-2026-64814?** 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 missing authorization vulnerability (CWE-862) exists in JetBrains IntelliJ IDEA's Remote Development component. The flaw allows a remote, unauthenticated attacker to access files within the context of a Remote Development session without proper validation. According to the CVSS vector, the attack is network-based, requires no special privileges or user interaction, and has a high impact on confidentiality with a scope change, suggesting access may extend beyond the immediate application environment. The issue is resolved in IntelliJ IDEA 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/)

## Related threats

- [JetBrains IntelliJ IDEA code execution via JVM options in Safe Mode](https://junglewise.ai/threats/cve-2026-123853-in-jetbrains-intellij-idea-before-2026-3-2026-2-2-code-execution)
- [JetBrains IntelliJ IDEA code execution via Terraform File Watchers](https://junglewise.ai/threats/cve-2026-123849-in-jetbrains-intellij-idea-before-2026-3-code-execution-was)
- [JetBrains IntelliJ IDEA TLS hostname verification missing](https://junglewise.ai/threats/cve-2026-123848-in-jetbrains-intellij-idea-before-2026-3-host-name-verification)
- [JetBrains IntelliJ IDEA command execution via control characters in terminal completion](https://junglewise.ai/threats/cve-2026-123847-in-jetbrains-intellij-idea-before-2026-3-command-execution-was)
- [JetBrains IntelliJ IDEA blind SSRF in JSON Schema validation](https://junglewise.ai/threats/cve-2026-123846-in-jetbrains-intellij-idea-before-2026-3-blind-ssrf-was-possible)
