Critical Alert 1 Active Exploit Detected Today

CVE-2026-63077 — JetBrains TeamCity Deserialization of Untrusted Data Vulnerability →
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August 7, 2026

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CVE-2025-48550NVD

Vulnerability Summary

In testGrantSlicePermission of SliceManagerTest.java, there is a possible permanent denial of service due to a path traversal error. This could lead to local denial of service with no additional execution privileges needed. User interaction is not needed for exploitation.
Severity Level
MEDIUM(5.5)
Published Date
Sep 4, 2025
Last Modified
Sep 5, 2025
Exploitation Status
No confirmed exploitation yet
EPSS Score (30-Day)
Data Pending
Root Weakness (CWE)
CWE-22: Path Traversal ↗
The software uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory.
CVSS v3.1 Base Metrics
Attack VectorLocal
Attack ComplexityLow
Privileges RequiredLow
User InteractionNone
ScopeUnchanged
ConfidentialityNone
IntegrityNone
AvailabilityHigh

External References