Auth bypass in Nextlevelbuilder Goclaw
CVE-2026-16199
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.
EPSS exploit prediction
EPSS: 0.004 (28.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 29th percentile — 28.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
- Nextlevelbuilder Goclaw — versions 3.13.3-beta.0, 3.13.3-beta.1, 3.13.3-beta.2
Weakness classification (CWE)
References
- github.com/nextlevelbuilder/goclaw/ (product)
- github.com/nextlevelbuilder/goclaw/issues/1215 (issue-tracking, exploit)
- github.com/nextlevelbuilder/goclaw/issues/1215 (issue-tracking)
- vuldb.com/cve/CVE-2026-16199 (third-party-advisory)
- vuldb.com/submit/857621 (third-party-advisory)
- vuldb.com/vuln/380015 (technical-description, vdb-entry)
- vuldb.com/vuln/380015/cti (signature, permissions-required)
Frequently asked questions
- What is CVE-2026-16199?
- CVE-2026-16199 is a medium-severity vulnerability in Nextlevelbuilder Goclaw, classified under Incorrect Privilege Assignment. CVSS score: 6.3/10. Published 2026-07-19.
- How severe is CVE-2026-16199?
- Medium severity. CVSS v3 base score is 6.3 out of 10.