CVE-2026-100277

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

CVSS v3 8.9 HIGH

8.9^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.2 / Impact : 6.0

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact LOW

Scope CHANGED

References

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

Configurations

Configuration 1 (hide)

cpe:2.3:a:jetbrains:youtrack:*:*:*:*:*:*:*:*

History

02 Oct 2026, 16:01

Type	Values Removed	Values Added
References	~~() https://www.jetbrains.com/privacy-security/issues-fixed/ -~~	() https://www.jetbrains.com/privacy-security/issues-fixed/ - Vendor Advisory
CPE		cpe:2.3:a:jetbrains:youtrack::::::::
First Time		Jetbrains Jetbrains youtrack

30 Sep 2026, 16:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-09-30 16:16

Updated : 2026-10-02 16:01

NVD link : CVE-2026-100277

Mitre link : CVE-2026-100277

CVE.ORG link : CVE-2026-100277

JSON object : View

Products Affected

jetbrains

youtrack

CWE

CWE-863

Incorrect Authorization

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