What is CVE-2023-50871?

CVE-2023-50871 is a medium-severity vulnerability in Jetbrains Youtrack, classified under Improper Authorization. CVSS score: 4.3/10. Published 2023-12-15.

How severe is CVE-2023-50871?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Auth bypass in Jetbrains Youtrack

CVE-2023-50871

In JetBrains YouTrack before 2023.3.22268 authorization check for inline comments inside thread replies was missed

Published 2023-12-15 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N.

EPSS exploit prediction

EPSS: 0.004 (36.5th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 36th percentile — 36.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000

Affected products

Jetbrains Youtrack — versions 0

Weakness classification (CWE)

CWE-285 — Improper Authorization

References

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

Frequently asked questions

What is CVE-2023-50871?: CVE-2023-50871 is a medium-severity vulnerability in Jetbrains Youtrack, classified under Improper Authorization. CVSS score: 4.3/10. Published 2023-12-15.
How severe is CVE-2023-50871?: Medium severity. CVSS v3 base score is 4.3 out of 10.