Bosh-windows-stemcell-builder CVEs and Security Vulnerabilities

CVE-2026-47830

Incorrect Permission Assignment Allows Local Privilege Escalation to SYSTEM via Executable Overwrite

Incorrect Permission Assignment in BOSH.Utils.psm1 in BOSH-Ecosystem bosh-windows-stemcell-builder allows low-privilege authenticated users to overwrite C:\bosh\service_wrapper.exe or C:\bosh\bosh-agent.exe and gain NT AUTHORITY\SYSTEM on the next service restart or reboot. This can lead to full host control. Affected versions: bosh-windows-stemcell-builder versions prior to v2019.98.

CVSS 4.0 · 8.5 High EPSS < 1% KEV · Not listed

Vendors

Cloudfoundry

Products

Bosh-windows-stemcell-builder

CVE-2026-47831

Cryptographically Weak Password Generation in bosh-windows-stemcell-builder Allows Remote SSH Brute-Force Attacks

Use of a cryptographically weak random number generator in the GenerateRandomPassword function in bosh-windows-stemcell-builder allows a remote attacker to brute-force the resulting SSH login via TCP/22. Affected versions: bosh-windows-stemcell-builder versions prior to v2019.98.

CVSS 4.0 · 7.7 High EPSS < 1% KEV · Not listed