Auth bypass in Sipeed Picoclaw
CVE-2026-16197
A security vulnerability has been detected in Sipeed PicoClaw up to 0.2.9. The affected element is the function handleMessageReceive of the file pkg/channels/feishu/feishu_64.go of the component Group Message Handler. Such manipulation leads to missing authorization. The attack can be launched remotely. The exploit has been disclosed publicly and may be used. The reported GitHub issue was closed automatically due to inactivity.
Vulnerability class: Broken Access Control
EPSS: 0.004 (29.6th percentile) — read the EPSS interpretation.
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.
Affected products
- Sipeed Picoclaw — versions 0.2.0, 0.2.1, 0.2.2
Weakness classification (CWE)
References
- cna@vuldb.com (product)
- cna@vuldb.com (issue-tracking, exploit)
- cna@vuldb.com (third-party-advisory)
- cna@vuldb.com (third-party-advisory)
- cna@vuldb.com (technical-description, vdb-entry)
- cna@vuldb.com (signature, permissions-required)
Frequently asked questions
- What is CVE-2026-16197?
- CVE-2026-16197 is a medium-severity vulnerability in Sipeed Picoclaw, classified under Missing Authorization. CVSS score: 6.3/10. Published 2026-07-18.
- How severe is CVE-2026-16197?
- Medium severity. CVSS v3 base score is 6.3 out of 10.