A Vulnerability Disclosure Program (VDP) is a public process that lets security researchers or users report security weaknesses to an organization through a defined contact path. Unlike a bug bounty program, a VDP does not guarantee payment; its core purpose is safe intake, triage, and remediation. A good VDP usually defines what can be reported, how to submit it, what information to include, and how the organization will respond.
VDPs matter because they reduce the chance that discovered flaws are left unreported or are exposed publicly before defenders can act. In real security work, researchers use these programs to report issues such as exposed credentials, insecure configurations, and exploitable software bugs. Defenders use the program to track reports, validate impact, prioritize fixes, and document closure. Clear disclosure rules also lower abuse and help separate responsible reporting from extortion, spam, or accidental data sharing.