SB2026021109 - Insufficient entropy in Rapid7 Nexpose and InsightVM
Published: February 11, 2026 Updated: May 22, 2026
Security Bulletin ID
SB2026021109
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Information disclosure
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Insufficient entropy (CVE-ID: CVE-2026-1814)
CWE-ID: CWE-331 - Insufficient Entropy
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:P/U:Clear
The vulnerability allows a local user to gain access to sensitive information.
The vulnerability exists due to insufficient entropy in within the CredentialsKeyStorePassword.generateRandomPassword() method when updating legacy keystore passwords. The application generates a weak password of 7-12 characters and a static prefix 'p'. A local user with access to the nsc.ks file can brute-force this password.
Remediation
Install update from vendor's website.