Quick answers
- Is CVE-2026-49367 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-49367 being exploited in the wild.
- How severe is CVE-2026-49367?
- High severity, with a CVSS score of 8, published 29 May 2026.
- Which products and versions are affected?
- Jetbrains IntelliJ IDEA before 2026.1.1.
- Is there a fix for CVE-2026-49367?
- 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-2026-49367 attacked?
- It is attacked over the network, in a network appliance.
- Am I affected by CVE-2026-49367?
- 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) in JetBrains IntelliJ IDEA versions prior to 2026.1.1 allowed for remote command execution. The flaw specifically resides in the handling of guest user accounts, where insufficient permission checks enabled the execution of arbitrary commands. The attack vector is network-based and requires low privileges (a guest account) and some user interaction. Successful exploitation grants the attacker the ability to execute code with the privileges of the application user, impacting confidentiality, integrity, and availability. The issue is addressed in IntelliJ IDEA 2026.1.1.
Affected products
- JetBrains IntelliJ IDEA before 2026.1.1
Timeline
- 2026-05-29: advisory: NVD publication date
- 2026-05-29: disclosed: Initial disclosure by JetBrains