CVE-2026-100277

HIGH

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

CVSS v3.1 Score

8.9
HIGH
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:L
Attack Vector
NETWORK
Complexity
HIGH
Privileges
NONE
User Interaction
NONE
Scope
CHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
LOW
Published: 9/30/2026Modified: 10/2/2026

Related Intelligence (1)

CRITICALVulnerability

NVD CRITICAL: CVE-2026-100277 — In JetBrains YouTrack before 2026.2.19197 account takeover was possible by repla...

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

CVE-2026-100277
NIST NVD

References (1)

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