Vulnerability in Jetbrains Youtrack

CVE-2026-75047

In JetBrains YouTrack before 2026.2.18177 doS attack was possible via a decompression bomb in the import endpoint

Published · last modified .

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:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.012 (66.9th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 67th percentile — 66.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2026-75047: held from 0.009 to 0.012.

EPSS over last 30 days · oldest: 0.009 · newest: 0.012 · change: +0.003

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-75047?
CVE-2026-75047 is a medium-severity vulnerability in Jetbrains Youtrack, classified under Improper Handling of Highly Compressed Data (Data Amplification). CVSS score: 6.5/10. Published 2026-08-17.
How severe is CVE-2026-75047?
Medium severity. CVSS v3 base score is 6.5 out of 10.