Actively Exploited
PaperCut warns of NG, MF flaw exploited in zero-day attacks
PaperCut is warning that hackers are actively exploiting a vulnerability in all versions of its PaperCut NG and PaperCut MF print management software in zero-day attacks. The company says it is aware of confirmed attacks on customers and is urging organizations with Internet-exposed PaperCut Application Servers to immediately restrict access to the web interfaces to trusted […]
CISA orders feds to patch Citrix NetScaler RCE flaw by Saturday
The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has ordered government agencies to patch their Citrix NetScaler appliances against an actively exploited vulnerability by Saturday. Tracked as CVE-2026-8452, this high-severity security flaw stems from a memory overflow weakness affecting NetScaler ADC and NetScaler Gateway appliances configured with Gateway VPN or AAA (Authentication, Authorization, and Auditing) virtual […]
Hackers now exploit critical Gitea flaw in code injection attacks
Attackers are actively exploiting a critical-severity vulnerability in the Gitea self-hosted Git service, according to the U.S. Cybersecurity and Infrastructure Security Agency (CISA). Like cloud-hosted GitHub or GitLab SaaS (Software as a Service) platforms, Gitea provides a full suite of DevOps tools, but it is designed to be used as a self-hosted software development platform. […]
Hackers breached over 270 Zimbra servers in ongoing attacks
Threat actors have already compromised over 270 Zimbra instances in remote code execution attacks targeting a high-severity Zimbra Collaboration Suite (ZCS) vulnerability. The ZCS email and collaboration suite is used by hundreds of millions of people and organizations, including thousands of businesses and hundreds of government agencies worldwide. Synacor patched the security flaw (tracked as CVE-2026-73570), […]
Hackers target WordPress sites in miniOrange auth bypass attacks
Hackers are attempting to exploit two critical authentication bypass vulnerabilities in the miniOrange SAML 2.0 Single Sign On plugin for WordPress that can be used to forge SAML responses and log in as administrators. The miniOrange SAML SSO plugin turns a WordPress site into a SAML service provider, letting users log in through corporate identity […]
CISA orders urgent patching of actively exploited Zimbra flaw
The Cybersecurity and Infrastructure Security Agency (CISA) has ordered U.S. government agencies to patch an actively exploited vulnerability in Zimbra Collaboration Suite (ZCS) within three days. The Zimbra security team patched the security flaw (tracked as CVE-2026-73570) in version 10.1.20, released on July 20. Successful exploitation allows unauthenticated attackers to gain remote code execution by exploiting a […]
Microsoft patches max severity code execution, privilege escalation flaws
Microsoft has patched multiple maximum-severity vulnerabilities in its Entra ID, Azure Arc, and Exchange Online that allowed attackers to gain remote code execution and escalate privileges. Formerly known as Azure Active Directory (or Azure AD), it is a cloud-based IAM platform that provides Microsoft 365, Azure, or Dynamics CRM Online customers with authentication, policy enforcement, […]
CISA orders feds to patch actively exploited TrueConf Server flaws
The U.S. Cybersecurity and Infrastructure Security Agency (CISA) ordered U.S. federal agencies to prioritize patching two actively exploited vulnerabilities in the TrueConf Server self-hosted communications platform. TrueConf Server is designed for secure corporate messaging and video conferencing and, unlike cloud-based software like Zoom or Microsoft Teams, it operates inside an organization’s local network (LAN). The […]
CISA warns of hackers exploiting critical MLflow vulnerability
The Cybersecurity and Infrastructure Security Agency (CISA) warned federal agencies that threat actors are now exploiting a critical MLflow vulnerability. MLflow is an open-source AI engineering platform for large language models (LLMs) and agents backed by the Linux Foundation, with over 30 million monthly downloads, used by thousands of organizations to debug, evaluate, optimize, and […]
Critical Zimbra RCE flaw now actively exploited in attacks
CERT Polska, the Polish Computer Emergency Response Team (CERT), warned that attackers have begun exploiting a critical vulnerability in Zimbra Collaboration Suite (ZCS). ZCS is a popular email and collaboration software suite used by hundreds of millions of people and organizations worldwide, including thousands of businesses and hundreds of government agencies. The Zimbra security team released […]