CVE-2026-86492 Details
Description
In JetBrains YouTrack before 2026.2.18634 a shared token cache allowed cross-tenant theft of GitHub App installation tokens
A vulnerability in JetBrains YouTrack versions prior to 2026.2.18634 allowed for cross-tenant theft of GitHub App installation tokens. This was made possible by a shared token cache that improperly managed token isolation between different tenants.
Users can update to JetBrains YouTrack version 2026.2.18634 or later to address this vulnerability.
Metrics
CVSS 4.0 Severity and Vector Strings:
VolerionCVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
Volerion
Assessed Sep 7, 2026CISA-ADP
Assessed Sep 8, 2026References to Advisories, Solutions, and Tools
By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.
| URL | Source(s) | Tag(s) |
|---|---|---|
| https://www.jetbrains.com/privacy-security/issues-fixed/ | [email protected] | AdvisoryBundleVendor |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-488 | Exposure of Data Element to Wrong Session | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| JetBrains YouTrack | < 2026.2.18634 (semver) |
CPE
Remediation
| |
Change History
2 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Sep 8, 2026 | CVE Modified | CISA-ADP |
| Sep 7, 2026 | New CVE Received | [email protected] |