Vulnerability · Published Jul 9, 2026 · Assigned by vmware
CVE-2026-47831Cryptographically Weak Password Generation in bosh-windows-stemcell-builder Allows Remote SSH Brute-Force Attacks
High 7.5
In plain English
A high-severity security flaw in bosh-windows-stemcell-builder from Cloud Foundry Foundation. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 25% of all known vulnerabilities).
Severity (CVSS 3.0)7.5High
Exploit odds (30 days)0.3%top 75.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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 (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Cloud Foundry Foundation | bosh-windows-stemcell-builder | 0 – before 2019.98 |