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New Exim BDAT Vulnerability Exposes GnuTLS Builds to Potential Code Execution

Exim has released security updates to address a severe security issue affecting certain configurations that could enable memory corruption and potential code execution. Exim is an open-source Mail Transfer Agent (MTA) designed for Unix-like systems to receive, route, and deliver email. The vulnerability, tracked as CVE-2026-45185, aka Dead.Letter, has been described as a use-after-free

Apache Tomcat Vulnerability Circumvents Access Rules

A vulnerability in Apache Tomcat enables users to bypass certain access controls by leveraging legacy HTTP/0.9 requests.  Under specific configurations, the issue could allow attackers to circumvent defined security constraints. “If a security constraint was configured to allow HEAD requests to a URI but deny GET requests, the user could bypass that constraint on GET…

FortiOS Authentication Bypass Exposes VPN and SSO Deployments

Fortinet has disclosed an authentication bypass vulnerability in FortiOS.  Under certain configurations, the flaw could allow attackers to bypass LDAP-based authentication controls and gain unauthorized access to protected enterprise networks. The vulnerability “… may allow an unauthenticated attacker to bypass LDAP authentication of Agentless VPN or FSSO policy, under specific LDAP server configuration,” said Fortinet…