What is CVE-2024-54157?

CVE-2024-54157 is a medium-severity vulnerability in Jetbrains Youtrack, classified under Inefficient Regular Expression Complexity. CVSS score: 4.3/10. Published 2024-12-04.

How severe is CVE-2024-54157?

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

Vulnerability in Jetbrains Youtrack

CVE-2024-54157

In JetBrains YouTrack before 2024.3.52635 potential ReDoS was possible due to vulnerable RegExp in Ruby syntax detector

Vulnerability class: ReDoS (Regular Expression Denial of Service)

Published 2024-12-04 · 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:N/A:L.

EPSS exploit prediction

EPSS: 0.006 (46.4th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 46th percentile — 46.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: +0.000

Affected products

Jetbrains Youtrack — versions 0

Weakness classification (CWE)

CWE-1333 — Inefficient Regular Expression Complexity

References

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

Frequently asked questions

What is CVE-2024-54157?: CVE-2024-54157 is a medium-severity vulnerability in Jetbrains Youtrack, classified under Inefficient Regular Expression Complexity. CVSS score: 4.3/10. Published 2024-12-04.
How severe is CVE-2024-54157?: Medium severity. CVSS v3 base score is 4.3 out of 10.