CVE-2026-47831 — HIGH (7.5)

Vulnerability 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.

CVSS Score

7.5

HIGH

CVSS:3.0/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

ADJACENT_NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

References

https://www.cloudfoundry.org/blog/cve-2026-47831-cryptographically-weak-password

FAQ

What is CVE-2026-47831?

CVE-2026-47831 is a vulnerability with a CVSS score of 7.5 (HIGH). 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/...

How severe is CVE-2026-47831?

CVE-2026-47831 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-47831?

Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.