Latest cybersecurity reporting from selected sources.

Cisco has warned that a high-severity security flaw impacting Catalyst SD-WAN Manager has come under active exploitation

CISA added CVE-2026-20131 to its KEV catalog as it is being used in ransomware campaigns

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has urged government agencies to apply patches for two security flaws impacting Synacor Zimbra Collaboration Suite (ZCS) and Microsoft Office SharePoint, stating they have been actively exploited in the wild

No timeline for a patch Suspected Chinese-government-linked threat actors have been battering a maximum-severity Cisco AsyncOS zero-day vulnerability in some Secure Email Gateway (SEG) and Secure Email and Web Manager (SEWM) appliances for nearly a month, and there's no timeline for a fix.…

Intrusions began weeks before Trimble patched the Cityworks hole A suspected Chinese crew has been exploiting a now-patched remote code execution (RCE) flaw in Trimble Cityworks to break into US local government networks and target utility management systems, according to Cisco's Talos threat intelligence group.…

A Chinese-speaking threat actor tracked as UAT-6382 has been linked to the exploitation of a now-patched remote-code-execution vulnerability in Trimble Cityworks to deliver Cobalt Strike and VShell

CISA has added five more CVEs into its known exploited vulnerabilities catalog

Networking Giant Dubs Campaign Against Government Customers 'Arcane Door'Probable nation-state hackers targeted Cisco firewall appliances in a campaign dating to late 2023, the networking giant disclosed Wednesday while releasing three patches, two of them rated critical. Cisco doesn't connect the hackers with a specific country. It dubs the campaign "Arcane Door."

U.K. and U.S. cybersecurity and intelligence agencies have warned of Russian nation-state actors exploiting now-patched flaws in networking equipment from Cisco to conduct reconnaissance and deploy malware against targets