nextlevelbuilder GoClaw exec_approval.go matchesAllowlist authorization
Priority MEDIUM 55CWE-285Published · Updated
Key facts
- Attack vector
- Adjacent network
- Privileges required
- High
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- Low · Low · Low
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-285.
Summary
A security flaw has been discovered in nextlevelbuilder GoClaw up to 3.13.2. Affected by this vulnerability is the function extractBin/RequestApproval/matchesAllowlist of the file internal/tools/exec_approval.go. The manipulation results in incorrect authorization. The exploit has been released to the public and may be used for attacks.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00306 23rd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| nextlevelbuilder | GoClaw | 3.13.0; 3.13.1; 3.13.2 | — | No fix listed | CNA |
- GoClaw Vendornextlevelbuilder Affected 3.13.0; 3.13.1; 3.13.2 Fixed in — No fix listed CNA
CPE names CNA · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:nextlevelbuilder:goclaw:*:*:*:*:*:*:*:* | — | — | nextlevelbuilder |
- cpe:2.3:a:nextlevelbuilder:goclaw:*:*:*:*:*:*:*:* Versions — — ·nextlevelbuilder
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2026-16122
- 2026-10-03 Alias added: GHSA-g748-qfrv-53vm
References
More nextlevelbuilder vulnerabilities
- TI-2026-09124 nextlevelbuilder GoClaw Webhook Verification auth.go resolveAuth missing authentication CVSS 4.0MEDIUM 6.9
- TI-2026-08957 nextlevelbuilder GoClaw write_file Tool fsbridge.go FsBridge.WriteFile os command injection CVSS 4.0MEDIUM 6.9
- TI-2026-14855 nextlevelbuilder GoClaw jq Handler tools_invoke.go ExecTool.Execute information disclosure CVSS 4.0MEDIUM 5.3
- TI-2026-13540 nextlevelbuilder GoClaw credentialed_exec.go ExecTool.Execute improper authorization CVSS 4.0MEDIUM 5.3
- TI-2026-13494 nextlevelbuilder GoClaw web_fetch web_shared.go isPrivateIP server-side request forgery CVSS 4.0MEDIUM 5.3
- TI-2026-13493 nextlevelbuilder GoClaw Invoke Endpoint tools_invoke.go ToolsInvokeHandler.ServeHTTP authorization CVSS 4.0MEDIUM 5.3
Sources
- CVE-2026-16122 · CVE Program
- CVE-2026-16122 · NVD
- FIRST EPSS
- GHSA-g748-qfrv-53vm · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences