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.

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

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.

Affected products

Jetbrains Youtrack — versions 0

Weakness classification (CWE)

CWE-409 — Improper Handling of Highly Compressed Data (Data Amplification)

References

cve@jetbrains.com

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.