What is CVE-2026-75045?

CVE-2026-75045 is a critical-severity vulnerability in Jetbrains Youtrack, classified under Authentication Bypass Using an Alternate Path or Channel. CVSS score: 9.1/10. Published 2026-08-17.

How severe is CVE-2026-75045?

Critical severity. CVSS v3 base score is 9.1 out of 10.

Vulnerability in Jetbrains Youtrack

CVE-2026-75045

In JetBrains YouTrack before 2025.3.156085, 2026.1.13913, 2026.2.18112 an unauthenticated attacker could download database backups via shared draft signature

CVSS v3 metric

CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N.

Affected products

Jetbrains Youtrack — versions 0

Weakness classification (CWE)

CWE-288 — Authentication Bypass Using an Alternate Path or Channel

References

cve@jetbrains.com

Frequently asked questions

What is CVE-2026-75045?: CVE-2026-75045 is a critical-severity vulnerability in Jetbrains Youtrack, classified under Authentication Bypass Using an Alternate Path or Channel. CVSS score: 9.1/10. Published 2026-08-17.
How severe is CVE-2026-75045?: Critical severity. CVSS v3 base score is 9.1 out of 10.