Authentication Bypass
Cisco warns of new SD-WAN zero-day exploited in attacks
Cisco released security updates to address a critical zero-day in the Catalyst SD-WAN Manager (tracked as CVE-2026-76504) that attackers are actively exploiting to escalate to admin privileges. Formerly known as SD-WAN vManage, Catalyst SD-WAN Manager is network management software that lets admins monitor and manage up to 6,000 SD-WAN devices from a single dashboard. “In […]
Cisco warns of max severity ISE zero-day exploited in attacks
Cisco has released security updates to address a maximum-severity Identity Services Engine vulnerability that attackers are actively exploiting in the wild. Cisco ISE is a centralized policy platform that IT administrators use to manage endpoints, users, and device access to network resources, often while enforcing Zero Trust security models. The security flaw (tracked as CVE-2026-76460) […]
Artifactory flaws chained in attacks deploying backdoor malware
Threat actors are exploiting critical and high-severity vulnerabilities in JFrog Artifactory to bypass authentication, gain administrative privileges, and deploy a Rust backdoor on vulnerable self-hosted servers. A new report from cloud security company Wiz confirmed exploitation across multiple environments, including an exploit chain that combines CVE-2026-42018 and CVE-2026-42016. The third vulnerability is CVE-2026-82329, a critical […]
Critical Citrix NetScaler auth bypass now leveraged in attacks
Attackers have begun targeting a critical-severity Citrix NetScaler flaw in the wild, according to vulnerability intelligence company Previdian. Tracked as CVE-2026-19490, this security flaw can allow unprivileged threat actors to bypass authentication remotely when the NetScaler appliance is configured as an AAA virtual server or as a Gateway (SSL VPN, ICA Proxy, CVPN, RDP Proxy), depending […]
Hackers exploit critical JFrog Artifactory flaw to forge admin tokens
A critical authentication bypass vulnerability (CVE-2026-82329) in JFrog Artifactory is being exploited in attacks to create tokens that provide administrative access. The flaw is present in the default configuration of self-managed instances of JFrog Artifactory, a repository manager used to store, organize, secure, and distribute software packages. An unauthenticated attacker with network access could exploit […]
Nearly 22,000 Microsoft Exchange servers vulnerable to hijack attacks
Nearly 22,000 Microsoft Exchange servers exposed online remain unpatched against a high-severity authentication bypass vulnerability that allows attackers to hijack all user mailboxes. Tracked as CVE-2026-62911 and reported by DEVCORE Research Team’s Orange Tsai, this security flaw affects Exchange Server 2016, Exchange Server 2019, and Exchange Server Subscription Edition (SE) software. Threat actors with basic privileges on […]
Hackers target Microsoft SharePoint RCE chain with PoC exploit
Attackers are now targeting a chain of two Microsoft SharePoint vulnerabilities that can allow them to execute arbitrary code on unpatched servers, according to threat intelligence company Defused. The first (tracked as CVE-2026-55040) is an authentication bypass flaw in the JWT token validation pipeline that attackers without privileges can exploit to perform operations as a SharePoint […]
Ubiquiti patches three max severity security vulnerabilities
Ubiquiti has released security patches for three new maximum-severity vulnerabilities that threat actors can exploit remotely without privileges. The first (tracked as CVE-2026-77537) lets unauthenticated attackers compromise unpatched devices by exploiting an improper input validation weakness in the UniFi Protect Application video surveillance management platform. Ubiquiti also addressed a CRLF injection flaw (CVE-2026-77550) that remote attackers without privileges can exploit to […]
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 […]
Citrix urges admins to patch new NetScaler flaws as soon as possible
Citrix has warned customers to immediately secure their systems against two vulnerabilities affecting NetScaler Gateway secure remote access solutions and NetScaler ADC networking appliances. The most severe of the two, tracked as CVE-2026-19490, can allow remote attackers without privileges to bypass authentication when the appliance is configured as an AAA virtual server or as a Gateway […]