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21 May 2026

Vulnerabilities first published on this day (UTC), newest first.

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Medium 6.7

CVE-2026-34926 Exploited Public exploit EPSS 13%

A directory traversal vulnerability in the Apex One (on-premise) server could allow a pre-authenticated local attacker …

Trend Micro TrendAI Apex One TrendAI Apex One as a Service

May 21, 2026
KEV May 21, 2026
Critical 10.0

CVE-2026-48172 Exploited Public exploit EPSS 18%

LiteSpeed User-End cPanel Plugin before 2.4.5 allows privilege escalation (possibly to root), as exploited in the wild …

LiteSpeed Technologies cPanel Plugin WHM Plugin

May 21, 2026
KEV May 26, 2026