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GHSA-3mp7-vp6j-2mxx

BBOT: Server-Side Request Forgery (SSRF) in docker_pull module via WWW-Authenticate realm parsing

Source: GitHub Advisory Database (reviewed) Low CVE-2026-12566

Packages

EcosystemPackageAffectedFixed in
PyPI bbot >= 2.0.0, < 2.8.5 2.8.5

Details

As written in the advisory (Markdown source, shown as plain text).

The `docker_pull` module uses the `realm` parameter from a Docker registry's `WWW-Authenticate` response header as the authentication endpoint without validation. An attacker in a man-in-the-middle position between bbot and a Docker registry could modify this header to redirect the authentication request to an arbitrary endpoint, potentially leaking authentication tokens.

References

External links from the advisory. They lead to third-party sites.