CVE-2026-100277

In JetBrains YouTrack before 2026.2.19197 account takeover was possible by replaying a notification signature

Score

CVSS 3.1 9.8 Critical

Status

Analyzed - cve@jetbrains.com

Published

2026-09-30

Last modified

2026-10-02

Weaknesses

CWE-863

Affected products

• Youtrack (Jetbrains)

References

• https://www.jetbrains.com/privacy-security/issues-fixed/