SSRF in Black Lantern Security Bbot
CVE-2026-12566
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.
Vulnerability class: SSRF (Server-Side Request Forgery)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 3.1 (Low). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N.
EPSS exploit prediction
EPSS: 0.002 (5.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 5th percentile — 5.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000
Affected products
- Black Lantern Security Bbot — versions 2.0.0
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2026-12566?
- CVE-2026-12566 is a low-severity vulnerability in Black Lantern Security Bbot, classified under Server-Side Request Forgery (SSRF). CVSS score: 3.1/10. Published 2026-06-17.
- How severe is CVE-2026-12566?
- Low severity. CVSS v3 base score is 3.1 out of 10.