Information Disclosure Flaw in HKUDS Nanobot by HKUDS
CVE-2026-19245

4.8MEDIUM

Key Information:

Vendor

Hkuds

Status
Nanobot
Vendor
CVE Published:
7 August 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-19245?

A vulnerability has been identified in the HKUDS Nanobot's Login-shell Environment Handler, specifically in the ExecTool._prepare_command function within the shell.py file. This flaw can lead to the unintentional disclosure of sensitive information when local access is exploited. It arises from the way environment variables are reinstated during command execution in a login shell. An upgrade to version 0.3.0 is recommended to patch this issue, ensuring that exec commands do not default to a login shell unless explicitly specified.

Affected Version(s)

nanobot 0.2.0

nanobot 0.2.1

nanobot 0.3.0

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-2026-19245 - Proof of Concept

References

https://vuldb.com/vuln/386999
vdb-entrytechnical-description
https://vuldb.com/vuln/386999/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-19245
third-party-advisory

CVSS V4

Score:
4.8
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
None
Availability:
None
Attack Vector:
Local
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Eric-c (VulDB User)
VulDB CNA Team
.