Vulnerability in Cloud Foundry Foundation Bosh
CVE-2026-41859
A network man-in-the-middle between nats-sync and the BOSH director can steal the director credentials (Basic auth header or UAA client secret) and can tamper with the VM list that is written into the NATS authorization file. Stolen creden…
Vulnerability class: Improper Certificate Validation
EPSS: 0.000 (1.3th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Cloud Foundry Foundation Bosh — versions 0
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2026-41859?
- CVE-2026-41859 is a high-severity vulnerability in Cloud Foundry Foundation Bosh, classified under Improper Certificate Validation. CVSS score: 7.8/10. Published 2026-06-04.
- How severe is CVE-2026-41859?
- High severity. CVSS v3 base score is 7.8 out of 10.