Manpages are supposed to be a bedrock — the last reference before production. Yet manpages can carry misleading, outdated, or insecure instructions that creep silently into your systems. A single example command copied without thinking can open a security hole. This is the risk most teams ignore.
A manpages security review is more than scanning for typos. It means auditing the commands, flags, and examples for dangerous defaults. It means checking every snippet against current best practices and verifying its safety in modern environments. It means treating documentation as code with the same scrutiny.
The first step is identifying exposures. Set up automated parsing to detect commands in manpages. Flag calls to unsafe utilities, deprecated flags, or insecure network transfers. Validate permissions — any command that writes system-wide configuration or modifies user shells should be reviewed under strict policies.
The second step is validation in context. Some unsafe flags are harmless in isolated sandboxes but disastrous in live production. Match each instruction to the runtime environment it impacts. Review privilege escalations, unprotected network calls, and shell expansions that can lead to injection attacks.