Reference page — cumulative record through Sunday, October 4, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.

CVE-2026-16123

CVE-2026-16123LOW

nextlevelbuilder GoClaw Invoke Endpoint tools_invoke.go ToolsInvokeHandler.ServeHTTP authorization

  AV  AC  AT  PR  UI  VC  VI  VA   CVSS    EPSS   %ile   KEV
   N   L   N   L   N   L   L   L    2.1   .0037   28.1     —

AFFECTED
  Product  Versions  Fixed
  GoClaw   3.13.0 –  —

TIMELINE
  Jul 17  Reserved by VulDB
  Jul 18  EXPLOIT PUBLISHED — CVE-2026-16123 (nextlevelbuilder GoClaw). Public exploit reference added.
  Jul 18  Published (CNA: VulDB)
  Jul 22  RESCORED — CVE-2026-16123 (nextlevelbuilder GoClaw). CVSS 5.3 → 2.1 (NVD).

CWE-862, CWE-863 · CNA: VulDB · CVSS v4.0 · 7 references · NVD status: Deferred

Description

A weakness has been identified in nextlevelbuilder GoClaw up to 3.13.2. Affected by this issue is the function ToolsInvokeHandler.ServeHTTP of the file internal/http/tools_invoke.go of the component Invoke Endpoint. This manipulation causes missing authorization. The attack can be initiated remotely. The exploit has been made available to the public and could be used for attacks.

Lifecycle

Complete event history — 4 events, chronological
Date	Event	Detail
July 17, 2026	Reserved	Reserved by VulDB
July 18, 2026	EXPLOIT PUBLISHED	EXPLOIT PUBLISHED — CVE-2026-16123 (nextlevelbuilder GoClaw). Public exploit reference added.
July 18, 2026	Published	Published (CNA: VulDB)
July 22, 2026	RESCORED	RESCORED — CVE-2026-16123 (nextlevelbuilder GoClaw). CVSS 5.3 → 2.1 (NVD).

Affected

Affected products and packages — 1 row
Vendor	Product / Package	Ecosystem	Version introduced	Fixed
nextlevelbuilder	GoClaw	—	3.13.0	—

Weaknesses

CWE-862 · CWE-863

References (7)

Authoritative record: CVE-2026-16123 at cve.org

Vendors: nextlevelbuilder

Weaknesses: CWE-862 · CWE-863

About this page

This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2026-16123 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 Sunday, October 4, 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.