What is CVE-2026-49386?

CVE-2026-49386 is a medium-severity vulnerability in Jetbrains Youtrack, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 6.5/10. Published 2026-05-29.

How severe is CVE-2026-49386?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Auth bypass in Jetbrains Youtrack

CVE-2026-49386

In JetBrains YouTrack before 2026.1.13570 improper access control allowed enumeration of restricted issues and articles on Planning Canvas

Vulnerability class: IDOR (Insecure Direct Object Reference)

Published 2026-05-29 · last modified 2026-07-22.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.003 (25.0th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 25th percentile — 25.0% 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: 0.003 · change: +0.001

Affected products

Jetbrains Youtrack — versions 0

Weakness classification (CWE)

CWE-639 — Authorization Bypass Through User-Controlled Key

References

www.jetbrains.com/privacy-security/issues-fixed/ (Vendor Advisory)

Frequently asked questions

What is CVE-2026-49386?: CVE-2026-49386 is a medium-severity vulnerability in Jetbrains Youtrack, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 6.5/10. Published 2026-05-29.
How severe is CVE-2026-49386?: Medium severity. CVSS v3 base score is 6.5 out of 10.