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 First Run Setup access_control.go authentication bypass
AV AC AT PR UI VC VI VA CVSS EPSS %ile KEV
N H N N N L L L 2.9 .0039 32.6 —
AFFECTED
Product Versions Fixed
PicoClaw 0.2.0 – —
TIMELINE
Jul 18 EXPLOIT PUBLISHED — CVE-2026-16198 (Sipeed PicoClaw). Public exploit reference added.
Jul 18 Reserved by VulDB
Jul 18 Published (CNA: VulDB)
Jul 21 RESCORED — CVE-2026-16198 (Sipeed PicoClaw). CVSS 6.3 → 2.9 (NVD).
Description
A vulnerability was detected in Sipeed PicoClaw up to 0.2.9. The impacted element is an unknown function of the file web/backend/middleware/access_control.go of the component First Run Setup. Performing a manipulation of the argument allowed_cidrs results in authentication bypass using alternate channel. The attack may be initiated remotely. The attack's complexity is rated as high. The exploitability is regarded as difficult. The exploit is now public and may be used. The patch is named 017601354be38cb027ff3ffb01aed79bd5d12610. Applying a patch is the recommended action to fix this issue.
Lifecycle
Complete event history — 4 events, chronological
| Date | Event | Detail |
|---|
| July 18, 2026 | EXPLOIT PUBLISHED | EXPLOIT PUBLISHED — CVE-2026-16198 (Sipeed PicoClaw). Public exploit reference added. |
| July 18, 2026 | Reserved | Reserved by VulDB |
| July 18, 2026 | Published | Published (CNA: VulDB) |
| July 21, 2026 | RESCORED | RESCORED — CVE-2026-16198 (Sipeed PicoClaw). CVSS 6.3 → 2.9 (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-2026-16198 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.