CVE-2026-192436.3MediumCWE-78

CVE-2026-19243: HKUDS nanobot Shell Allowlist shell.py ExecTool._spawn os command injection

HKUDS · nanobot

Vendor fix available · Affected: HKUDS nanobot · Exploitation: possible (1 to 10%)

Not in CyberSIXT coverage yet: no article names this CVE. This page shows the public record.

2.3%probability of exploitation in the next 30 days

83rd percentile

050100

Higher than 83% of scored CVEs

6.3MediumCVSS 3.1

LowMediumHighCrit.

DescriptionCVE.org

A security vulnerability has been detected in HKUDS nanobot up to 0.2.1. Impacted is the function ExecTool._guard_command/ExecTool._spawn of the file nanobot/agent/tools/shell.py of the component Shell Allowlist Handler. Such manipulation leads to os command injection. The attack can be executed remotely. The exploit has been disclosed publicly and may be used. Upgrading to version 0.3.0 is recommended to address this issue. The name of the patch is 4562. It is advisable to upgrade the affected component. Multiple issues were reported to the project. They reacted with a high level of professionalism and kindness: "These five reports are variants of the same root cause: validation of shell commands containing multiple segments, wrappers, comments, or chained commands. The issue was fixed by validating every executable shell segment against the configured allowlist".

Affected products1

From the CVE record. A product or version that is not listed is unknown, not unaffected.

HKUDS · nanobot0.2.0; 0.2.1

On the Atlas

Every published CVE is on the CyberSIXT Atlas, grouped by weakness, vendor and month.

Open the Atlas

Exploitation: Possible (1 to 10%). EPSS between 1% and 10%.
CISA KEV: Not listed
Public check: No public nuclei template
Weakness: OS Command Injection · Command and Code Injection
Vendor: HKUDS
Published: August 2026
Band: Possible (1 to 10%), August 2026

CoverageNo articles yet

No CyberSIXT article names CVE-2026-19243 yet, so there is no coverage timeline, action brief or change log for it. Everything on this page comes from the public CVE record, CISA KEV, EPSS and the nuclei template index. Search the archive or see the CVEs in the news.

References

1 more reference is in the CVE record.