Latest cybersecurity reporting from selected sources.

Cisco is warning that a critical Catalyst SD-WAN Controller authentication bypass flaw, tracked as CVE-2026-20182, was actively exploited in zero-day attacks that allowed attackers to gain administrative privileges on compromised devices. [...]

Huntress is warning that threat actors are exploiting three recently disclosed security flaws in Microsoft Defender to gain elevated privileges in compromised systems

Vendor Ships Emergency Fixes, Warning Flaw Facilitates Full System CompromiseAttackers are targeting a zero-day vulnerability in Cisco's Unified Communications and Webex products that facilitates remote code execution and root-level access to the underlying operating system, risking full system compromise. Cisco has released patches, warning that no workarounds exist.

CISA has ordered federal agencies to patch an actively exploited vulnerability in WatchGuard Firebox firewalls, which allows attackers to gain remote code execution on compromised devices. [...]

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Thursday released details of two sets of malware that were discovered in an unnamed organization's network following the exploitation of security flaws in Ivanti Endpoint Manager Mobile (EPMM)

Akamai Researchers Flag 'BadSucessor' in Windows Server 2025An unpatched flaw in Windows Server 2025 that is "trivial" to exploit and present in the default configuration is full domain compromised, warns new research from Akamai. The flaw is present in a new account type known as delegated managed service accounts, or dMSA.

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Tuesday added a vulnerability linked to the supply chain compromise of the GitHub Action, tj-actions/changed-files, to its Known Exploited Vulnerabilities (KEV) catalog

US agencies blasted 'unforgivable' SQLi flaws earlier this year Open-source enterprise network and application monitoring provider Zabbix is warning customers of a new critical vulnerability that could lead to full system compromise.…

As many as 2,000 Palo Alto Networks devices are estimated to have been compromised as part of a campaign abusing the newly disclosed security flaws that have come under active exploitation in the wild

Company Says Single-Factor Authentication Accounts Are to Blame - Not a FlawHackers are targeting clients of artificial intelligence data platform provider Snowflake that lack multifactor authentication, the company warns. Threat actors are compromising organizations’ Snowflake customer tenants by using stolen credentials obtained by info-stealing malware, said Mandiant.

The Five Eyes (FVEY) intelligence alliance has issued a new cybersecurity advisory warning of cyber threat actors exploiting known security flaws in Ivanti Connect Secure and Ivanti Policy Secure gateways, noting that the Integrity Checker Tool (ICT) can be deceived to provide a false sense of security

Mispadu Trojan Is Compromising Windows Security, Posing Threat to Banking SystemsThe novel variant of the banking Trojan Mispadu is targeting Latin American countries, especially Mexico, by exploiting a flaw in Windows SmartScreen. In this latest distribution method, the attackers send spam emails that deliver deceptive URL files that circumvent the SmartScreen banner warning.

Cybersecurity researchers are warning of a "notable increase" in threat actor activity actively exploiting a now-patched flaw in Apache ActiveMQ to deliver the Godzilla web shell on compromised hosts

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Thursday warned that multiple nation-state actors are exploiting security flaws in Fortinet FortiOS SSL-VPN and Zoho ManageEngine ServiceDesk Plus to gain unauthorized access and establish persistence on compromised systems

The U.S. Federal Bureau of Investigation (FBI) is warning that Barracuda Networks Email Security Gateway (ESG) appliances patched against a recently disclosed critical flaw continue to be at risk of potential compromise from suspected Chinese hacking groups

The Federal Bureau of Investigation warned that patches for a critical Barracuda Email Security Gateway (ESG) remote command injection flaw are "ineffective," and patched appliances are still being compromised in ongoing attacks. [...]

Uncle Sam warns sysadmins to get patching as soon as possible A critical security flaw in Ivanti's mobile endpoint management code was exploited and used to compromise 12 Norwegian government agencies before the vendor plugged the hole.…

Microsoft on Friday shared guidance to help customers discover indicators of compromise (IoCs) associated with a recently patched Outlook vulnerability