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 web_fetch web.go isPrivateOrRestrictedIP server-side request forgery
AV AC AT PR UI VC VI VA CVSS EPSS %ile KEV
N L N L N L L L 2.1 .0029 21.5 —
AFFECTED
Product Versions Fixed
PicoClaw 0.2.0 – —
TIMELINE
Jul 18 EXPLOIT PUBLISHED — CVE-2026-16196 (Sipeed PicoClaw). Public exploit reference added.
Jul 18 Reserved by VulDB
Jul 18 Published (CNA: VulDB)
Jul 22 RESCORED — CVE-2026-16196 (Sipeed PicoClaw). CVSS 5.3 → 2.1 (NVD).
Description
A weakness has been identified in Sipeed PicoClaw up to 0.2.9. Impacted is the function isPrivateOrRestrictedIP of the file pkg/tools/integration/web.go of the component web_fetch. This manipulation causes server-side request forgery. The attack can be initiated remotely. The exploit has been made available to the public and could be used for attacks. Patch name: 2efbe5d560e7ed9bc5209c203dc4aa6ecdbc7405. To fix this issue, it is recommended to deploy a patch.
Lifecycle
Complete event history — 4 events, chronological
| Date | Event | Detail |
|---|
| July 18, 2026 | EXPLOIT PUBLISHED | EXPLOIT PUBLISHED — CVE-2026-16196 (Sipeed PicoClaw). Public exploit reference added. |
| July 18, 2026 | Reserved | Reserved by VulDB |
| July 18, 2026 | Published | Published (CNA: VulDB) |
| July 22, 2026 | RESCORED | RESCORED — CVE-2026-16196 (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-2026-16196 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.