Vulnerability · Published Jul 18, 2026 · Assigned by VulDB

CVE-2026-16119nextlevelbuilder GoClaw WebSocket Approval Endpoint exec_approval.go RequestApproval authorization

Medium 6.3

In plain English

A medium-severity incorrect authorization 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 34% of all known vulnerabilities).

Severity (CVSS 3.1)6.3Medium

Exploit odds (30 days)0.4%top 65.8% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official description

A vulnerability was found in nextlevelbuilder GoClaw up to 3.13.2. This affects the function RequestApproval of the file internal/tools/exec_approval.go of the component WebSocket Approval Endpoint. Performing a manipulation results in incorrect authorization. The attack is possible to be carried out remotely. The exploit has been made public and could be used.

Affected products (as reported)

Vendor	Product	Versions
nextlevelbuilder	GoClaw	3.13.03.13.13.13.2

Weakness: CWE-863, CWE-285 · 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-379828 | nextlevelbuilder GoClaw WebSocket Approval Endpoint exec_approval.go RequestApproval authorization vdb-entry, technical-description
VDB-379828 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
CVE-2026-16119 | CVE Analysis and Report third-party-advisory
Submit #856825 | nextlevelbuilder GoClaw 3.13.2 Incorrect Authorization (CWE-863) third-party-advisory
https://github.com/nextlevelbuilder/goclaw/issues/1212 exploit, issue-tracking
https://github.com/nextlevelbuilder/goclaw/issues/1212#issuecomment-4760281066 issue-tracking
https://github.com/nextlevelbuilder/goclaw/ product