Vulnerability · Published Jul 18, 2026 · Assigned by VulDB
CVE-2026-16121nextlevelbuilder GoClaw exec_approval.go isSafeBin 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 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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| nextlevelbuilder | GoClaw | 3.13.03.13.13.13.2 |
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-379830 | nextlevelbuilder GoClaw exec_approval.go isSafeBin improper authorization vdb-entry, technical-description
- VDB-379830 | CTI Indicators (IOB, IOC, TTP, IOA) signature, permissions-required
- CVE-2026-16121 | CVE Analysis and Report third-party-advisory
- Submit #856827 | nextlevelbuilder GoClaw 3.13.2 Improper Authorization (CWE-285) third-party-advisory
- https://github.com/nextlevelbuilder/goclaw/issues/1214 exploit, issue-tracking
- https://github.com/nextlevelbuilder/goclaw/issues/1206 issue-tracking
- https://github.com/nextlevelbuilder/goclaw/ product