CVE-2026-16083: Authentication Bypass by Capture-replay in Sipeed PicoClaw
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.
AI Analysis
Technical Summary
CVE-2026-16083 is an authentication bypass vulnerability affecting Sipeed PicoClaw up to version 0.2.9. The issue resides in the webhook.ParseRequest function within the pkg/channels/line/line.go file of the LINE Webhook component. The vulnerability allows an attacker to perform a capture-replay attack to bypass authentication remotely. The exploit code has been publicly released. The vendor has not planned a fix, and no official remediation level is provided.
Potential Impact
Successful exploitation allows remote attackers to bypass authentication controls in the affected Sipeed PicoClaw versions, potentially granting unauthorized access to protected functionality or data. The vulnerability does not require user interaction or privileges and has a medium severity level (CVSS 6.9).
Mitigation Recommendations
No official patch or fix is currently available for this vulnerability. The vendor has closed the related issue as "not planned." Users should consider alternative mitigations such as disabling the vulnerable webhook functionality if feasible or implementing network-level protections to restrict access. Monitor vendor channels for any future updates or advisories.
CVE-2026-16083: Authentication Bypass by Capture-replay in Sipeed PicoClaw
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.
CVSS v4.0
Score 6.9medium
Affected software
pkg:github/sipeed/picoclawcpe:2.3:a:sipeed:picoclaw:*:*:*:*:*:*:*:*Run on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-16083 is an authentication bypass vulnerability affecting Sipeed PicoClaw up to version 0.2.9. The issue resides in the webhook.ParseRequest function within the pkg/channels/line/line.go file of the LINE Webhook component. The vulnerability allows an attacker to perform a capture-replay attack to bypass authentication remotely. The exploit code has been publicly released. The vendor has not planned a fix, and no official remediation level is provided.
Potential Impact
Successful exploitation allows remote attackers to bypass authentication controls in the affected Sipeed PicoClaw versions, potentially granting unauthorized access to protected functionality or data. The vulnerability does not require user interaction or privileges and has a medium severity level (CVSS 6.9).
Mitigation Recommendations
No official patch or fix is currently available for this vulnerability. The vendor has closed the related issue as "not planned." Users should consider alternative mitigations such as disabling the vulnerable webhook functionality if feasible or implementing network-level protections to restrict access. Monitor vendor channels for any future updates or advisories.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulDB
- Date Reserved
- 2026-07-17T13:50:03.053Z
- Cvss Version
- 4.0
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a5b400c34329bf928c6fb8f
Added to database: 07/18/2026, 08:57:48 UTC
Last enriched: 07/25/2026, 22:46:43 UTC
Last updated: 08/31/2026, 22:52:08 UTC
Views: 47
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