CVE-2026-100268 JetBrains YouTrack - Broken Access Control

JetBrains YouTrack < 2026.2.19197 contains an information disclosure vulnerability caused by project administrators accessing comments from other projects via notification templates, letting project administrators read unauthorized comments, exploit requires project administrator privileges.

CVSS base score 7.7 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Required
EPSS
0.23% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Broken Access Control
Impact
Information Disclosure
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
Published
30 September 2026
Updated
15 October 2026
Weakness
CWE-639

Vendor fix

Upgrade to version 2026.2.19197 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

← All CVEs