CVE-2026-47831

High

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.

SeverityHigh
CVSS7.7
Exploit probability—
ProductCloud Foundry Foundation Bosh-windows-stemcell-builder
PublishedJul 9, 2026
First seenJul 9, 2026
Weakness typeCWE-338CWE-338

How to fix

Update
  • Cloud Foundry Foundation bosh-windows-stemcell-builder2019.98 or later

Affected products

ProductAffected versionsFixed in
Cloud Foundry Foundation bosh-windows-stemcell-builderv < 2019.982019.98

Check your version

Choose the product and enter the version you run to see whether it falls in the affected range.

In the Intelligence 360 plan

Attack Surface Management

See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.

CVE-2026-47831 · Cloud Foundry Foundation Bosh-windows-stemcell-builder · Dark Radar