Critical Alert 3 Active Exploits Detected Today

CVE-2025-39964 — Linux Kernel Race Condition Vulnerability →
CVE-2026-53266 — Linux Kernel Out-of-Bounds Write Vulnerability →
CVE-2025-39682 — Linux Kernel Improper Check for Unusual or Exceptional Conditions Vulnerability →
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September 19, 2026

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CVE-2026-6638NVD

Vulnerability Summary

SQL injection in PostgreSQL logical replication ALTER SUBSCRIPTION ... REFRESH PUBLICATION allows a subscriber table creator to execute arbitrary SQL with the subscription's publication-side credentials. The attack takes effect at the next REFRESH PUBLICATION. Within major versions 16, 17, and 18, minor versions before PostgreSQL 18.4, 17.10, and 16.14 are affected. Versions before PostgreSQL 16 are unaffected.
Severity Level
LOW(3.7)
Published Date
May 14, 2026
Last Modified
May 18, 2026
Exploitation Status
No confirmed exploitation yet
EPSS Score (30-Day)
0.19%Probability
Root Weakness (CWE)
CWE-89: SQL Injection ↗
Improper neutralization of special elements used in an SQL command, allowing attackers to modify queries.
CVSS v3.1 Base Metrics
Attack VectorNetwork
Attack ComplexityHigh
Privileges RequiredLow
User InteractionRequired
ScopeUnchanged
ConfidentialityLow
IntegrityLow
AvailabilityNone
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💬Webhooks — Slack & Teams integration.
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External References