Insufficient Entropy in Rapid7 Nexpose Affects Password Security
CVE-2026-1814

6.8MEDIUM

Key Information:

Vendor

Rapid7

Status
Insightvm/nexpose
Vendor
CVE Published:
3 February 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-1814?

Rapid7 Nexpose versions 6.4.50 and later are affected by an insufficient entropy vulnerability in the CredentialsKeyStorePassword.generateRandomPassword() method. When legacy keystore passwords are updated, the application generates a new password that is inadequately protected, with a length of only 7-12 characters and a predictable static prefix 'p'. This leads to a weak keyspace that can be exploited. An attacker with access to the nsc.ks file can leverage consumer-grade hardware to perform brute-force attacks against these weak passwords, potentially decrypting sensitive stored credentials.

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Deploy the Patch

Affected Version(s)

InsightVM/Nexpose Linux 8.24.0

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-1814 - Proof of Concept

References

https://www.atredis.com/disclosure
exploitthird-party-advisory

CVSS V4

Score:
6.8
Severity:
MEDIUM
Confidentiality:
High
Integrity:
None
Availability:
None
Attack Vector:
Local
Attack Complexity:
High
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Justin Kennedy
Atredis Partners
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