Vulnerability in nextlevelbuilder GoClaw (CVE-2026-16123)
Summary
Vulnerability in nextlevelbuilder GoClaw (CVE-2026-16123). Risk of unauthorized operations or information disclosure.
Original description
The description as published by the source.
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.
Source: GitHub Security Advisories (Global) NVD GitHub Advisory
Auto-generated summary
Assembled by SecPulse from the source data (CVSS, CWE, affected versions) using templates — no AI involved. Check the original description and references below for exact details.
A vulnerability tracked as CVE-2026-16123 has been found in nextlevelbuilder GoClaw.
Risk of unauthorized operations or information disclosure. CVSS score: 6.3/10.
What to do: apply the vendor's official patched release.
If unsure, ask your IT team or search "nextlevelbuilder GoClaw CVE-2026-16123" on the vendor's site.
CVE-2026-16123 (nextlevelbuilder GoClaw) — CWE-862 / CVSS v3 6.3
Attack vector: remote (network-reachable) / no user interaction
Plan: 1) Audit SBOM/dependencies, 2) Stage→prod upgrade, 3) Add WAF/proxy monitoring on affected endpoints, 4) Hunt IOCs in logs.
Refs: see the GHSA / vendor advisory / patched release linked on this page.
A vulnerability (CWE-862) exists in nextlevelbuilder GoClaw.
Check the vendor advisory for the affected versions of nextlevelbuilder GoClaw.
Severity: Medium (CVSS 6.3/10). Risk of unauthorized operations or information disclosure.
Update to the patched release per vendor advisory.
Until the patch is applied: disable the affected feature, apply WAF rules, or restrict access via network ACLs.
Search webserver/proxy logs for unusual request patterns matching this CVE's known IOCs. Audit SBOM/dependencies to find affected services.
Response actions
Concrete steps and command examples for SOC/SRE teams to execute in order
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1Identify exposure identify
Audit SBOM/dependencies for affected components.資産台帳・SBOM・依存マニフェストで nextlevelbuilder GoClaw を使っているサービスとバージョンを洗い出す。
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2Post-deployment verification verify
Confirm patched version is live in productionパッチ適用後、ステージングで PoC または同等の悪用パターンを再現して脆弱性が閉じたことを確認。本番ではアクセスログ・WAF でアラート再発が無いか継続監視。
References
- advisory nvd.nist.gov
- advisory vuldb.com
- advisory vuldb.com
- advisory vuldb.com
- advisory github.com
- report github.com
- report github.com
- report vuldb.com
- web github.com
- web github.com
- web github.com