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-2025-59689NVD

Vulnerability Summary

Libraesva ESG 4.5 through 5.5.x before 5.5.7 allows command injection via a compressed e-mail attachment. For ESG 5.0 a fix has been released in 5.0.31. For ESG 5.1 a fix has been released in 5.1.20. For ESG 5.2 a fix has been released in 5.2.31. For ESG 5.4 a fix has been released in 5.4.8. For ESG 5.5. a fix has been released in 5.5.7.
Severity Level
MEDIUM(6.1)
Published Date
Sep 19, 2025
Last Modified
Oct 21, 2025
Exploitation Status
ACTIVE
EPSS Score (30-Day)
Data Pending
Root Weakness (CWE)
N/A
CVSS v3.1 Base Metrics
Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredNone
User InteractionRequired
ScopeChanged
ConfidentialityLow
IntegrityLow
AvailabilityNone