CVE-2026-47828
bosh-cli TLS skip exposes bootstrap secrets, enabling MITM-driven root RCE
Is CVE-2026-47828 being exploited?
Not confirmed. CVE-2026-47828 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 0.29% probability of exploitation in the next 30 days.
How severe is CVE-2026-47828?
CVE-2026-47828 is rated High with a CVSS score of 8.9. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2026-47828?
Yes. A fix has been recorded for CVE-2026-47828. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-47828 affect?
CVE-2026-47828 affects bosh-cli < v7.10.4, BOSH Director bootstrap VMs using create-env/delete-env. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-47828?
Upgrade bosh-cli to v7.10.4; avoid create-env/delete-env until patched
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
MITM can harvest Basic-auth and rendered templates, then replay to the VM agent to achieve root code execution on new Director VMs.
Immediate action required
- affected< 7.10.4
As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.