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    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 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

    Published:Jun 4, 2026
    Last Modified:Jun 4, 2026
    EPS:Jun 4, 2026
    EPSS Score:0.0001
    CVSS Score:7.8

    Affected Products

    Vendor
    Cloud Foundry
    Product
    Bosh

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-295 Improper Certificate Validation

    Related CVEs

    CVE-2026-41861 (CVSS 4.2) — Path Traversal in BOSH-Ecosystem / BOSH allows an IaaS-metadata attacker to make the agent write a root-owned …
    CVE-2026-47829 (CVSS 7.7) — Argument Injection in bosh-cli allows a compromised BOSH Director to inject arbitrary OpenSSH options into the…
    CVE-2026-41011 (CVSS 8.7) — PackagePersister.validate_tgz builds "tar -tf #{tgz} 2>&1" where tgz = File.join(release_dir, 'packages', "#{n…
    CVE-2026-41860 (CVSS 7.1) — CWE-326 in BOSH allows a local attacker to steal Basic-auth credentials or redirect UAA token requests via MIT…
    CVE-2026-41704 (CVSS 6.8) — AgentClient#handle_method (lines 264-303) processes every NATS reply. It calls inject_compile_log (line 273) o…
    CVE-2026-41009 (CVSS 4.3) — When the director sends a long-running request (e.g. compile_package), the agent's reply JSON is consumed by A…
    CVE-2019-11271 (CVSS 7.8) — Cloud Foundry BOSH 270.x versions prior to v270.1.1, contain a BOSH Director that does not properly redact cre…
    CVE-2018-11083 (CVSS 8.1) — Cloud Foundry BOSH, versions v264 prior to v264.14.0 and v265 prior to v265.7.0 and v266 prior to v266.8.0 and…
    CVE-2017-4961 (CVSS 8.8) — An issue was discovered in Cloud Foundry Foundation BOSH Release 261.x versions prior to 261.3 and all 260.x v…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High