Vulnerability in Jetbrains Youtrack

CVE-2026-86492

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

Published · last modified .

CVSS v3 metric

CVSS v3 base score 8.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N.

EPSS exploit prediction

EPSS: 0.009 (59.3th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 59th percentile — 59.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2026-86492: held from 0.006 to 0.009.

EPSS over last 30 days · oldest: 0.006 · newest: 0.009 · change: +0.003

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-86492?
CVE-2026-86492 is a high-severity vulnerability in Jetbrains Youtrack, classified under CWE-488. CVSS score: 8.5/10. Published 2026-09-07.
How severe is CVE-2026-86492?
High severity. CVSS v3 base score is 8.5 out of 10.