Search/CVE-2026-86492
● CVE — High

CVE-2026-86492

DiscoveredSep 7, 2026UpdatedSep 8, 2026

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

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CVSS v3.1
8.5 HIGH
EPSS
0.90%
probability of exploitation in 30 days
CISA KEV
Not listed
no confirmed exploitation reported
News coverage
0
sources referencing this CVE
Related IOCs
0
seen in the same coverage
EPSS Trend
Sep 9, 2026 → Sep 25, 2026
▲ 0.34pp
0.56% → 0.90% over 2 tracked changes
CVSS v3.1 Detail
Attack VectorNETWORK
Attack ComplexityLOW
Privileges RequiredLOW
User InteractionNONE
ScopeCHANGED
ConfidentialityHIGH
IntegrityLOW
AvailabilityNONE
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N
Connections
1 relationships
Timeline
disclosure → media coverage
Sep 7, 2026
Disclosure — published as a CVE record.