Auth bypass in Jetbrains Intellij Idea
CVE-2026-49367
In JetBrains IntelliJ IDEA before 2026.1.1 command execution was possible via the guest user account
Vulnerability class: Broken Access Control
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.0 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.005 (42.3th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 42nd percentile — 42.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.005 · change: +0.002
Affected products
- Jetbrains Intellij Idea — versions 0
- Jetbrains Intellij Idea
Weakness classification (CWE)
References
- www.jetbrains.com/privacy-security/issues-fixed/ (Vendor Advisory)
Frequently asked questions
- What is CVE-2026-49367?
- CVE-2026-49367 is a high-severity vulnerability in Jetbrains Intellij Idea, classified under Missing Authorization. CVSS score: 8.0/10. Published 2026-05-29.
- How severe is CVE-2026-49367?
- High severity. CVSS v3 base score is 8.0 out of 10.