September 8, 2026

CVE Watchtower


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CVE-2026-86478NVD

Vulnerability Summary

In JetBrains YouTrack before 2025.3.161254,
2026.1.14042 improper authentication in YouTrack Helpdesk allowed unauthenticated account takeover via a self-asserted email address
Severity Level
CRITICAL(9.8)
Published Date
Sep 7, 2026
Last Modified
Sep 8, 2026
Exploitation Status
No confirmed exploitation yet
EPSS Score (30-Day)
0.36%Probability
Root Weakness (CWE)
CWE-290: Unknown/Unlisted Weakness ↗
Refer to the official MITRE database for detailed architectural specifications regarding this weakness.
CVSS v3.1 Base Metrics
Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredNone
User InteractionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh

External References