U.S. CISA adds Cisco Catalyst, Kentico Xperience, PaperCut NG/MF, Synacor ZCS, Quest KACE SMA, and JetBrains TeamCity flaws to its Known Exploited Vulnerabilities catalogSecurity Affairs·Apr 21, 09:21 UTC · Apr 21, 2026Exploit / PoC in the wildCVE-2026-20133CVE-2023-27351CVE-2024-27199+5 CVEs60
April 2026 CVE LandscapeRecorded Future·Jun 3, 00:00 UTC · Jun 3, 2026Ransomware in the wildCVE-2026-33032CVE-2026-39987CVE-2009-0238+30 CVEs160
CISA Adds 8 Exploited Flaws to KEV, Sets AprilThe Hacker News·Apr 21, 13:51 UTC · Apr 21, 2026Exploit / PoC in the wildCVE-2023-27351CVE-2024-27199CVE-2025-2749+7 CVEs60
CISA flags another Cisco Catalyst SD-WAN Manager bug as exploited (CVE-2026-20133)Help Net Security·Apr 21, 00:00 UTC · Apr 21, 2026Vulnerability in the wildCVE-2026-20133CVE-2026-20128CVE-2026-20122+5 CVEs160