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.
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 .0021 11.4 —
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).
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 | — |
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 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.