That is the point of a pre-commit security hook—and why the recent Pre-Commit Security Hooks Recall matters more than most developers realize.
The recall hit teams that rely on automated Git hooks to catch secrets, vulnerabilities, and configuration errors before commits are pushed upstream. These hooks run locally, fast, and prevent bad changes from ever hitting the repository. But a flawed implementation in several widely used security hook libraries opened the door for missed checks, silent failures, and false sense of protection.
If you run pre-commit hooks for secret scanning, dependency auditing, or static analysis, you may have been affected. In some cases, hooks skipped entire file sets under certain conditions. In others, timing issues allowed dangerous code to slip past without triggering alerts. The recall issued by maintainers covers these defects, but the bigger lesson is clear: local security enforcement is only as strong as the code that powers it.