CVE-2026-86492CWE-488

CVE-2026-86492

High · published September 7, 2026

CVSS v3.1
8.5
EPSS
1%
Percentile
59.3
In the wild
Unconfirmed
What it is

In JetBrains YouTrack before 2026.2.18634 a shared token cache allowed cross-tenant theft of GitHub App installation tokens

The record
Technical detail
CVSS v3.1
8.5 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N
CVSS v4.0
Not supplied
EPSS
0.00899 · 59.3th percentile
Weakness
CWE-488 · Exposure of Data Element to Wrong Session
Published
2026-09-07T21:17Z
References (1)
EPSS history
Timeline
  • 09 SEP 03:20Z
    EPSS moved — → 1%
    epss
  • 07 SEP 16:26Z
    In JetBrains YouTrack before 2026.2.18634 a shared token cache allowed cross-tenant theft of GitHub App installation tokens
    cvelistv5