Vulnerability · Published Jul 19, 2026 · Assigned by VulDB
CVE-2026-16199nextlevelbuilder GoClaw credentialed_exec.go ExecTool.Execute improper authorization
Medium 6.3
In plain English
A medium-severity security flaw in GoClaw from nextlevelbuilder. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 31% of all known vulnerabilities).
Severity (CVSS 3.1)6.3Medium
Exploit odds (30 days)0.4%top 69.4% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
A flaw has been found in nextlevelbuilder GoClaw up to 3.13.3-beta.3. This affects the function ExecTool.Execute of the file goclaw/internal/tools/credentialed_exec.go. Executing a manipulation can lead to improper authorization. The attack may be launched remotely. The exploit has been published and may be used.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| nextlevelbuilder | GoClaw | 3.13.3-beta.03.13.3-beta.13.13.3-beta.23.13.3-beta.3 |
Weakness: CWE-285, CWE-266 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:C
References
- VDB-380015 | nextlevelbuilder GoClaw credentialed_exec.go ExecTool.Execute improper authorization vdb-entry, technical-description
- VDB-380015 | CTI Indicators (IOB, IOC, TTP, IOA) signature, permissions-required
- CVE-2026-16199 | CVE Analysis and Report third-party-advisory
- Submit #857621 | nextlevelbuilder GoClaw 3.13.3-beta.3 Authorization Bypass (CWE-285) third-party-advisory
- https://github.com/nextlevelbuilder/goclaw/issues/1215 exploit, issue-tracking
- https://github.com/nextlevelbuilder/goclaw/issues/1215#issuecomment-4760153807 issue-tracking
- https://github.com/nextlevelbuilder/goclaw/ product