Reference page — cumulative record through Wednesday, August 19, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.
Sipeed PicoClaw Group Message feishu_64.go handleMessageReceive authorization
AV AC AT PR UI VC VI VA CVSS EPSS %ile KEV
N L N L N L L L 2.1 .0021 11.4 —
AFFECTED
Product Versions Fixed
PicoClaw 0.2.0 – —
TIMELINE
Jul 18 EXPLOIT PUBLISHED — CVE-2026-16197 (Sipeed PicoClaw). Public exploit reference added.
Jul 18 Reserved by VulDB
Jul 18 Published (CNA: VulDB)
Jul 20 RESCORED — CVE-2026-16197 (Sipeed PicoClaw). CVSS 5.3 → 2.1 (NVD).
Description
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.
Lifecycle
Complete event history — 4 events, chronological
| Date | Event | Detail |
|---|
| July 18, 2026 | EXPLOIT PUBLISHED | EXPLOIT PUBLISHED — CVE-2026-16197 (Sipeed PicoClaw). Public exploit reference added. |
| July 18, 2026 | Reserved | Reserved by VulDB |
| July 18, 2026 | Published | Published (CNA: VulDB) |
| July 20, 2026 | RESCORED | RESCORED — CVE-2026-16197 (Sipeed PicoClaw). CVSS 5.3 → 2.1 (NVD). |
Affected
Affected products and packages — 1 row
| Vendor | Product / Package | Ecosystem | Version introduced | Fixed |
|---|
| Sipeed | PicoClaw | — | 0.2.0 | — |
About this page
This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2026-16197 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Wednesday, August 19, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.