BBOT: Server-Side Request Forgery (SSRF) in docker_pull module via WWW-Authenticate realm parsing
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.
Affected software
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| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| Python (PyPI) | bbot | >= 2.0.0, < 2.8.5 | 2.8.5 |
References
- https://github.com/blacklanternsecurity/bbot/security/advisories/GHSA-3mp7-vp6j-2mxx
- https://nvd.nist.gov/vuln/detail/CVE-2026-12566
- https://github.com/blacklanternsecurity/bbot/commit/c2f4bc0f4
- https://github.com/blacklanternsecurity/bbot
- https://pypi.org/project/bbot
- https://github.com/advisories/GHSA-3mp7-vp6j-2mxx
- CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N- Weakness (CWE)
CWE-20, CWE-918- Platform
- Python (PyPI)
- Package
bbot- Disclosed
- 18.06.2026
- Updated
- 11.10.2026 14:17
Sources and licenses
OSV / GitHub Advisory Database - PYSEC-2026-2391 - PyPA Advisory Database; CC BY 4.0
OSV / GitHub Advisory Database - GHSA-3mp7-vp6j-2mxx - CC BY 4.0
Vulnerability history: bbot
All published vulnerabilities of this package (Python (PyPI)), newest first. Shows whether this is a one-off slip or a package that needs watching.
- Total entries
- 10
- First → latest
- 10.2025 07.2026
- Without a fix
- 0
- Exploited in attacks
- 0
Severity breakdown
- Critical 2
- Medium 4
- Low 4
Disclosures per year
- 2025: 4
- 2026: 6
-
BBOT: Server-Side Request Forgery (SSRF) in docker_pull module via WWW-Authenticate realm parsing this entry
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