RCE in Nextlevelbuilder Goclaw
CVE-2026-10219
A vulnerability was found in nextlevelbuilder GoClaw up to 3.11.3. This impacts the function FsBridge.WriteFile of the file internal/sandbox/fsbridge.go of the component write_file Tool. Performing a manipulation results in os command injection. The attack is possible to be carried out remotely. The exploit has been made public and could be used. The pull request to fix this issue awaits acceptance.
Vulnerability class: Command Injection (OS Command Injection)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.3 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L.
EPSS exploit prediction
EPSS: 0.013 (70.7th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 71st percentile — 70.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.013 · newest: 0.013 · change: 0.000
Affected products
- Nextlevelbuilder Goclaw — versions 3.11.0, 3.11.1, 3.11.2
Weakness classification (CWE)
References
- vuldb.com/vuln/367498 (technical-description, vdb-entry)
- vuldb.com/vuln/367498/cti (signature, permissions-required)
- vuldb.com/cve/CVE-2026-10219 (third-party-advisory)
- vuldb.com/submit/821939 (third-party-advisory)
- github.com/nextlevelbuilder/goclaw/issues/1121 (issue-tracking, exploit)
- github.com/nextlevelbuilder/goclaw/pull/1155 (issue-tracking, patch)
- github.com/nextlevelbuilder/goclaw/ (product)
Frequently asked questions
- What is CVE-2026-10219?
- CVE-2026-10219 is a high-severity vulnerability in Nextlevelbuilder Goclaw, classified under Command Injection. CVSS score: 7.3/10. Published 2026-06-01.
- How severe is CVE-2026-10219?
- High severity. CVSS v3 base score is 7.3 out of 10.