CVE-2026-12566
SSRF via unvalidated WWW-Authenticate realm in docker_pull module
CVSS Score
3.1
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-918 |
| Vendor | black lantern security |
| Product | bbot |
| Published | Jun 17, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
None
Affected Versions
Black Lantern Security / BBOT
2.0.0 ≤ <=2.8.4