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 exec_approval.go isSafeBin improper 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-2026-16121 (nextlevelbuilder GoClaw). Public exploit reference added.
Jul 18 Published (CNA: VulDB)
Jul 20 RESCORED — CVE-2026-16121 (nextlevelbuilder GoClaw). CVSS 5.3 → 2.1 (NVD).
Description
A vulnerability was identified in nextlevelbuilder GoClaw up to 3.13.2. Affected is the function isSafeBin of the file internal/tools/exec_approval.go. The manipulation leads to improper authorization. It is possible to initiate the attack remotely. The exploit is publicly available and might be used.
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-2026-16121 (nextlevelbuilder GoClaw). Public exploit reference added. |
| July 18, 2026 | Published | Published (CNA: VulDB) |
| July 20, 2026 | RESCORED | RESCORED — CVE-2026-16121 (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-2026-16121 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.