CVE WatchJul 22, 2026

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 secr

CVSS

7.8

High

EPSS

0.1%

KEV

—

Exploit Today

0-100

Published: Jun 4, 2026 · Last modified: Jul 22, 2026 · CWE-295

EPSS · 30d

0.1%EPSS · 30 days0.1%

2026-10-032026-10-31

Technical description

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 credentials grant administrative director access. UsersSync#bosh_api_response_body builds a Net::HTTP client with verify_mode = OpenSSL::SSL::VERIFY_NONE for every director call (/info, /deployments, /deployments/<name>/vms). Affected versions: - BOSH: all versions prior to v282.1.9 (inclusive); fixed in v282.1.9 or later

Official references

www.cloudfoundry.orghttps://www.cloudfoundry.org/blog/cve-2026-41859-missing-tls-in-nats-sync/

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