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H-ISAC TLP White Vulnerability Bulletin PaperCut Vulnerability Exploitation April 24, 2023
On April 24, 2023, reports circulated about attackers exploiting severe vulnerabilities in the widely-used PaperCut MF/NG print management software to install Atera remote management software in order to compromise servers.
H-ISAC TLP White Active Exploitations of an Authentication Bypass Vulnerability
On January 15, 2026, a critical authentication bypass vulnerability, tracked as CVE-2026-24858, in FortiCloud SSO was discovered. It allows unauthenticated remote attackers to gain administrative access to Fortinet devices.
H-ISAC TLP White Threat Bulletin Active Exploitations of an 11-Year-Old Critical Telnetd Vulnerability (CVE-2026-24061)
On January 19, 2026, a security researcher, Kyu Neushwaistein (a.k.a. Carlos Cortes Alvarez), reported an 11-year-old critical vulnerability in telnetd, tracked as CVE-2026-24061.
H-ISAC TLP White Threat Bulletin: Emerging SMS/Voice OTP Toll Fraud via Account Sign-up and Patient Portal Flows
Health-ISAC is tracking an emerging fraud pattern where threat actors exploit SMS and voice One-Time Password (OTP) mechanisms used in account sign-up, patient portal enrollment, telehealth registration, and MFA flows.
H-ISAC TLP White Vulnerability Bulletin: Cisco Patches Identity Services Engine (ISE) Security Flaw (CVE-2026-20029)
On January 7, 2026, Cisco released security updates to address a medium-severity vulnerability, tracked as CVE-2026-20029, affecting its Identity Services Engine (ISE) and ISE Passive Identity Connector (ISE-PIC) network access control solutions.
H-ISAC TLP White Threat Bulletin: Active Exploitation of Critical HPE OneView RCE Flaw (CVE-2025-37164)
A maximum-severity vulnerability in HPE OneView, tracked as CVE-2025-37164, is being actively exploited in the wild.
H-ISAC TLP White Vulnerability Bulletin: Multiple Vulnerabilities Addressed in Veeam Backup & Replication Solution
On January 6, 2026, Veeam released security updates to address four vulnerabilities affecting its Backup & Replication solution.
H-ISAC TLP White Announcement Fall America Summit FDA Town Hall Recap
On December 2nd, the Health-ISAC Fall Americas Summit convened healthcare leaders and regulators to address the evolving medical device cybersecurity landscape.
H-ISAC TLP White FS-ISAC Artificial Intelligence White Paper Series September 9, 2025
FS-ISAC has released several white papers discussing AI best practices.
H-ISAC TLP White Vulnerability Bulletin: Zero-Day Exploitation of Fortinet FortiWeb Path Traversal Flaw
On October 6, 2025, security researchers at Defused reported a path traversal flaw in Fortinet’s FortiWeb web application firewall (WAF) being exploited in-the-wild as a zero-day since October 2025.