Authentication Bypass
CISA: Recently patched Ivanti EPM flaw now actively exploited
CISA flagged a high-severity Ivanti Endpoint Manager (EPM) vulnerability as actively exploited in attacks and ordered U.S. federal agencies to patch systems within three weeks. Ivanti’s EPM software is an all-in-one endpoint management solution for managing client devices across Windows, macOS, Linux, Chrome OS, and IoT platforms. Tracked as CVE-2026-1603, this security flaw can be exploited […]
Cisco warns of max severity Secure FMC flaws giving root access
Cisco has released security updates to patch two maximum-severity vulnerabilities in its Secure Firewall Management Center (FMC) software. Secure FMC is a web or SSH-based interface for admins to manage Cisco firewalls and configure application control, intrusion prevention, URL filtering, and advanced malware protection. Both vulnerabilities can be exploited remotely by unauthenticated attackers: the authentication […]
Hackers target Microsoft Entra accounts in device code vishing attacks
Threat actors are targeting technology, manufacturing, and financial organizations in campaigns that combine device code phishing and voice phishing (vishing) to abuse the OAuth 2.0 Device Authorization flow and compromise Microsoft Entra accounts. Unlike previous attacks that utilized malicious OAuth applications to compromise accounts, these campaigns instead leverage legitimate Microsoft OAuth client IDs and the […]
Critical infra Honeywell CCTVs vulnerable to auth bypass flaw
The U.S. Cybersecurity and Infrastructure Security Agency (CISA) is warning of a critical vulnerability in multiple Honeywell CCTV products that allows unauthorized access to feeds or account hijacking. Discovered by researcher Souvik Kanda and tracked as CVE-2026-1670, the security issue is classified as “missing authentication for critical function,” and received a crtical severity score of […]
Hackers breach SmarterTools network using flaw in its own software
SmarterTools confirmed last week that the Warlock ransomware gang breached its network after compromising an email system, but it did not impact business applications or account data. The company’s Chief Commercial Officer, Derek Curtis, says that the intrusion occurred on January 29, via a single SmarterMail virtual machine (VM) set up by an employee. “Prior to […]
SolarWinds warns of critical Web Help Desk RCE, auth bypass flaws
SolarWinds has released security updates to patch critical authentication bypass and remote command execution vulnerabilities in its Web Help Desk IT help desk software. The authentication bypass security flaws (tracked as CVE-2025-40552 and CVE-2025-40554) patched today by SolarWinds were reported by watchTowr’s Piotr Bazydlo and can be exploited by remote unauthenticated threat actors in low-complexity attacks. Bazydlo also […]
Fortinet blocks exploited FortiCloud SSO zero day until patch is ready
Fortinet has confirmed a new, actively exploited critical FortiCloud single sign-on (SSO) authentication bypass vulnerability, tracked as CVE-2026-24858, and says it has mitigated the zero-day attacks by blocking FortiCloud SSO connections from devices running vulnerable firmware versions. The flaw allows attackers to abuse FortiCloud SSO to gain administrative access to FortiOS, FortiManager, and FortiAnalyzer devices registered […]
Over 6,000 SmarterMail servers exposed to automated hijacking attacks
Nonprofit security organization Shadowserver has found over 6,000 SmarterMail servers exposed online and likely vulnerable to attacks exploiting a critical authentication bypass vulnerability. Cybersecurity company watchTowr reported the security flaw to developer SmarterTools on January 8, which released a fix on January 15 without assigning an identifier. The vulnerability was later assigned CVE-2026-23760 and rated critical severity, as […]
Nearly 800,000 Telnet servers exposed to remote attacks
Internet security watchdog Shadowserver tracks nearly 800,000 IP addresses with Telnet fingerprints amid ongoing attacks exploiting a critical authentication bypass vulnerability in the GNU InetUtils telnetd server. The security flaw (CVE-2026-24061) impacts GNU InetUtils versions 1.9.3 (released 11 years ago in 2015) through 2.7 and was patched in version 2.8 (released on January 20). “The […]
Hackers exploit critical telnetd auth bypass flaw to get root
A coordinated campaign has been observed targeting a recently disclosed critical-severity vulnerability that has been present in the GNU InetUtils telnetd server for 11 years. The security issue is tracked as CVE-2026-24061 and was reported on January 20. It is trivial to leverage and multiple exploit examples are publicly available. Bug persisted since 2015 Open-source contributor Simon Josefsson explains that the […]