GITHUB APP PRIVATE KEYS: 474 LEAKED KEYS EXPOSED

Summary from the TLDR InfoSec newsletter

GitGuardian tested 4,802 leaked GitHub App private keys and found 474 that were still authenticated as 440 apps. Forty-four apps held organization-admin permissions. 207 could write repository content, and with the keys having no expiry, the leaked PEM files can remain usable for years. Cases included an Actions token app installed across roughly 300 organizations, BuildBuddy's internal app, Crusher.dev, and a CDC-related app.