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 LINE Webhook line.go webhook.ParseRequest authentication replay
AV AC AT PR UI VC VI VA CVSS EPSS %ile KEV
N L N N N N L N 5.5 .0043 36.1 —
AFFECTED
Product Versions Fixed
PicoClaw 0.2.0 – —
TIMELINE
Jul 17 Reserved by VulDB
Jul 18 EXPLOIT PUBLISHED — CVE-2026-16083 (Sipeed PicoClaw). Public exploit reference added.
Jul 18 Published (CNA: VulDB)
Jul 20 RESCORED — CVE-2026-16083 (Sipeed PicoClaw). CVSS 6.9 → 5.5 (NVD).
Description
A security flaw has been discovered in Sipeed PicoClaw up to 0.2.9. This affects the function webhook.ParseRequest of the file pkg/channels/line/line.go of the component LINE Webhook. The manipulation results in authentication bypass by capture-replay. The attack may be launched remotely. The exploit has been released to the public and may be used for attacks. The reported GitHub issue was closed automatically with the label "not planned" by a bot.
Lifecycle
Complete event history — 4 events, chronological
| Date | Event | Detail |
|---|
| July 17, 2026 | Reserved | Reserved by VulDB |
| July 18, 2026 | EXPLOIT PUBLISHED | EXPLOIT PUBLISHED — CVE-2026-16083 (Sipeed PicoClaw). Public exploit reference added. |
| July 18, 2026 | Published | Published (CNA: VulDB) |
| July 20, 2026 | RESCORED | RESCORED — CVE-2026-16083 (Sipeed PicoClaw). CVSS 6.9 → 5.5 (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-2026-16083 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.