Publications

ALERT: Fortibleed

Attackers have actively scanned and fingerprinted internet-facing Fortinet Fortigate firewalls and SSL-VPN gateways. This process of scanning and harvesting credentials is fully automated and more than 105 million credentials have been harvested.

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Microsoft Teams Guest Chat Vulnerability

In November 2025, two serious vulnerabilities affecting Fortinet FortiWeb appliances came to light. A relative path traversal flaw that allows unauthenticated attackers to send crafted HTTP(S) requests and an OS command injection vulnerability that permits authenticated attackers to execute arbitrary commands.

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Microsoft Teams Guest Chat Vulnerability

In November 2025, two serious vulnerabilities affecting Fortinet FortiWeb appliances came to light. A relative path traversal flaw that allows unauthenticated attackers to send crafted HTTP(S) requests and an OS command injection vulnerability that permits authenticated attackers to execute arbitrary commands.

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Fortinet FortiWeb unauthenticated exploit

In November 2025, two serious vulnerabilities affecting Fortinet FortiWeb appliances came to light. A relative path traversal flaw that allows unauthenticated attackers to send crafted HTTP(S) requests and an OS command injection vulnerability that permits authenticated attackers to execute arbitrary commands.

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