September 2026

Attackers Exploit Two SonicWall SMA 1000 Zero-Days That May Form an Attack Chain

SonicWall has released security updates to address two security flaws impacting its Secure Mobile Access (SMA) 1000 series VPN appliances that have been exploited in zero-day attacks.

The vulnerabilities, discovered internally by SonicWall’s William Perry and Adam Babis, are listed below –

CVE-2026-83548 (CVSS score: 10.0) –  A pre-authentication SSRF vulnerability in the Appliance

  • September 2, 2026

GeoNetwork Fixes Unauthenticated RCE Chain Affecting Government Geoportal Backends

Two vulnerabilities in GeoNetwork can be chained to achieve unauthenticated remote code execution (RCE) on the open-source geospatial metadata catalog, which sits behind many government and agency geoportals.

The project shipped fixes in versions 4.4.12 and 4.2.17 on July 8, 2026, and published the vulnerability details on August 31.

GeoNetwork originated at the United Nations Food and

  • September 2, 2026

Extradited Russian Hacker Faces Charges Over Excel Malware Campaign That Infected Thousands

The U.S. Department of Justice (DoJ) has charged a Russian national, extradited from Cyprus on August 28, with using roughly 255 fake accounts on a freelance platform to send malware-laced Excel attachments to about 80,000 of its users in 2016 and 2017.

Searzhudin Tamirlanovich Aktulaev, 40, was arrested in Cyprus in May 2025, the U.S. Attorney’s Office for the Northern District of California

  • September 2, 2026

Researchers Use Claude to Port Pre-Auth RCE Exploit From One PLC Model to Another

Forescout Research – Vedere Labs said it used Anthropic’s Claude to port a working pre-authentication remote code execution (RCE) exploit from one WAGO programmable logic controller (PLC) to another, executing attacker-supplied ARM shellcode on live hardware.

The exploit targets CVE-2021-31886, a stack-based buffer overflow in the Nucleus FTP server’s handling of the USER command

  • September 2, 2026