543,699 live credentials found in 224M GitHub repos — median exposed 784 days

jedisct1 · x · 2026-10-08

Truffle Security scanned The Stack v3, a 224M-repo public GitHub corpus built for LLM training (58.5B files), and found 543,699 unique credentials still authenticating in July 2026. The median had sat in a public default branch for 784 days; the oldest dates to 2009 and still works. GitHub's default-on push protection roughly halves the rate for recognized credential shapes, but 51.8% of live secrets are shapes it doesn't catch, and nothing helps the half million already exposed — and nobody revoked them.

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