Skip to finding
important · Edge — BIG-IP

Attackers are exploiting a pre-authentication header overflow for code execution on configured F5 BIG-IP APM gateways.

Affects

F5 BIG-IP Access Policy Manager, an application-delivery and remote-access appliance deployed at enterprise network edges.

Only virtual servers combining an APM policy with an OAuth authorization-server profile expose the path. An oversized Bearer header can corrupt an adjacent callback and reach command execution through a ROP chain and the tmm.finish hook.

Detail and 2 sources
Share this finding
Get it by email

The same brief, every morning. One email a day, nothing else.

Every finding here carries a source that was checked before it published. If something is wrong, write to admin@fullchain.sh — corrections are published on the day they affect.

Friday, September 25, 2026