CrowdSec says a poisoned TanStack package exposed its private source code

The May leak involved CrowdSec's SaaS, AWS and automation repositories; the company says it found no customer data or credentials that could enable lateral movement so far.

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Primary source: CrowdSec

Why it matters

The leak reached the commercial code surrounding CrowdSec's open-source engine and was disclosed four months after the suspected access, testing the CI/CD controls behind its security pitch.

A close-up view of a server rack in a data center, with fragmented code subtly reflected on a server's surface, hinting at a security breach.

CrowdSec, the collaborative security business led by Philippe Humeau (@philippe_humeau), disclosed on September 17th that an intruder accessed private GitHub repositories during a short window in May. CrowdSec learned of the exposure on September 16th, leaving roughly four months between the suspected access and an outside researcher bringing it to CrowdSec's attention.…

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