Vulnerability · Published Jul 18, 2026 · Assigned by VulDB
CVE-2026-16083Sipeed PicoClaw LINE Webhook line.go webhook.ParseRequest authentication replay
Medium 5.3
In plain English
A medium-severity improper authentication in PicoClaw from Sipeed. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.7% (higher than 54% of all known vulnerabilities).
Official 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.
Affected products (as reported)
Weakness: CWE-294, CWE-287 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N/E:P/RL:X/RC:R
References
- VDB-379795 | Sipeed PicoClaw LINE Webhook line.go webhook.ParseRequest authentication replay vdb-entry, technical-description
- VDB-379795 | CTI Indicators (IOB, IOC, TTP, IOA) signature, permissions-required
- CVE-2026-16083 | CVE Analysis and Report third-party-advisory
- Submit #852945 | Sipeed PicoClaw <= 0.2.9 Authentication Bypass by Capture-replay (CWE-294) third-party-advisory
- https://github.com/sipeed/picoclaw/issues/3073 exploit, issue-tracking
- https://github.com/sipeed/picoclaw/ product