boxscore/security
CVE · referencelatest edition

Reference page — cumulative record through Wednesday, August 19, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.

CVE-2026-19243LOW
HKUDS nanobot Shell Allowlist shell.py ExecTool._spawn os command injection
  AV  AC  AT  PR  UI  VC  VI  VA   CVSS    EPSS   %ile   KEV
   N   L   N   L   N   L   L   L    2.1   .0161   74.0     —
AFFECTED
  Product  Versions  Fixed
  nanobot  0.2.0 –   0.3.0
TIMELINE
  Aug 7   Reserved by VulDB
  Aug 7   Published (CNA: VulDB)
  Aug 10  EXPLOIT PUBLISHED — CVE-2026-19243 (HKUDS nanobot). Public exploit reference added.
CWE-77, CWE-78 · CNA: VulDB · CVSS v4.0 · 13 references · NVD status: Deferred

Description

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".

Lifecycle

Complete event history — 3 events, chronological
DateEventDetail
August 7, 2026ReservedReserved by VulDB
August 7, 2026PublishedPublished (CNA: VulDB)
August 10, 2026EXPLOIT PUBLISHEDEXPLOIT PUBLISHED — CVE-2026-19243 (HKUDS nanobot). Public exploit reference added.

Affected

Affected products and packages — 1 row
VendorProduct / PackageEcosystemVersion introducedFixed
HKUDSnanobot0.2.00.3.0

Weaknesses

CWE-77 · CWE-78

References (13)

Related

Authoritative record: CVE-2026-19243 at cve.org

Vendors: hkuds

Weaknesses: CWE-77 · CWE-78

About this page

This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2026-19243 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Wednesday, August 19, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.