CVE-2026-47831

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

High · published July 9, 2026

CVSS v4.0
7.7
EPSS
0%
Percentile
23.7
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v4.0
7.7 · HIGH
Vector
CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
EPSS
0.00319 · 23.7th percentile
Published
2026-07-09T06:26Z
EPSS history
Timeline
  • 09 JUL 06:26Z
    Cryptographically Weak Password Generation in bosh-windows-stemcell-builder Allows Remote SSH Brute-Force Attacks
    cvelistv5