What’s Vulnerable › Vulnerabilities
CVE-2026-47831: Cryptographically Weak Password Generation in bosh-windows-stemcell-builder Allows Remote SSH Brute-Force Attacks
- Severity: high (CVSS 7.7 v4.0)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.3% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-07-09 · updated 2026-10-25
Description
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.
Affected products
- Cloud Foundry Foundation bosh-windows-stemcell-builder: before 2019.98 — fixed in 2019.98
How to fix
Upgrade to a fixed version: Cloud Foundry Foundation bosh-windows-stemcell-builder 2019.98. Check the vendor advisory for mitigations.
References
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