Description
In JetBrains YouTrack before 2026.2.18634 a shared token cache allowed cross-tenant theft of GitHub App installation tokens
Published: 2026-09-07
Score: 8.5 High
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Tue, 08 Sep 2026 11:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Mon, 07 Sep 2026 18:45:00 +0000

Type Values Removed Values Added
First Time appeared Jetbrains
Jetbrains youtrack
Vendors & Products Jetbrains
Jetbrains youtrack

Mon, 07 Sep 2026 17:45:00 +0000

Type Values Removed Values Added
Title Cross‑Tenant Token Theft in JetBrains YouTrack

Mon, 07 Sep 2026 16:45:00 +0000

Type Values Removed Values Added
Description In JetBrains YouTrack before 2026.2.18634 a shared token cache allowed cross-tenant theft of GitHub App installation tokens
Weaknesses CWE-488
References
Metrics cvssV3_1

{'score': 8.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N'}


Subscriptions

Jetbrains Youtrack
cve-icon MITRE

Status: PUBLISHED

Assigner: JetBrains

Published:

Updated: 2026-09-08T10:35:02.223Z

Reserved: 2026-09-07T16:13:37.497Z

Link: CVE-2026-86492

cve-icon Vulnrichment

Updated: 2026-09-08T10:33:07.712Z

cve-icon NVD

Status : Deferred

Published: 2026-09-07T17:17:27.517

Modified: 2026-09-08T15:30:03.247

Link: CVE-2026-86492

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-09-07T18:30:03Z

Weaknesses
  • CWE-488

    Exposure of Data Element to Wrong Session