Email security gateways targeted for full administrative control
This is a DailyCyber.News update, brought to you by BareMetalCyber.com, for Tuesday, November 10th, 2026.
A small number of organizations were compromised through two recently patched Barracuda Email Security Gateway weaknesses. When used together, the issues can bypass authorization and execute commands with root privileges. Successful attacks require access to the appliance’s administrative interface. Barracuda released patches one week before confirming exploitation and advised customers to enable automatic updates.
A compromised email security appliance gives an attacker high-level control over a trusted system at the edge of an organization. Exposure is higher where the administrative interface is reachable from untrusted networks or patches weren’t applied automatically. For leaders, security appliances need the same urgent patching and exposure management as other internet-facing systems. For defenders, restrict administrative access to trusted internal networks, confirm patch status and inspect affected gateways for compromise. The larger pattern is familiar. Defensive infrastructure becomes an attractive entry point because of its access and trust. Confirm Barracuda patches immediately and restrict every gateway administration interface to trusted networks.
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