CVE-2026-16083

Sipeed PicoClaw LINE Webhook line.go webhook.ParseRequest authentication replay

Assigner: VulDB
Reserved: 17.07.2026 Published: 18.07.2026 Updated: 18.07.2026

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.

Metrics

CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P
CVSS Score: 6.9

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Network	Confidentiality	None	Confidentiality	None
Attack Complexity	Low	Integrity	Low	Integrity	None
Attack Requirements	None	Availability	None	Availability	None
Privileges Required	None
User Interaction	None

CVSS 4.0

CVSS 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
CVSS Score: 5.3

Attack Vector	Network	Scope	Unchanged
Attack Complexity	Low	Confidentiality Impact	None
Privileges Required	None	Integrity Impact	Low
User Interaction	None	Availability Impact	None

CVSS 3.1

CVSS Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N/E:P/RL:X/RC:R
CVSS Score: 5.3

Attack Vector	Network	Scope	Unchanged
Attack Complexity	Low	Confidentiality Impact	None
Privileges Required	None	Integrity Impact	Low
User Interaction	None	Availability Impact	None

CVSS 3.0

CVSS Vector: AV:N/AC:L/Au:N/C:N/I:P/A:N/E:POC/RL:ND/RC:UR
CVSS Score: 5

Access Vector	Network	Confidentiality Impact	None
Access Complexity	Low	Integrity Impact	Partial
Authentication	None	Availability Impact	None

CVSS 2.0

Product Status

Vendor	Sipeed
Product	PicoClaw
Versions	Version 0.2.0 is affected Version 0.2.1 is affected Version 0.2.2 is affected Version 0.2.3 is affected Version 0.2.4 is affected Version 0.2.5 is affected Version 0.2.6 is affected Version 0.2.7 is affected Version 0.2.8 is affected Version 0.2.9 is affected

Vendor

Sipeed

Product

PicoClaw

Versions

Version 0.2.0 is affected
Version 0.2.1 is affected
Version 0.2.2 is affected
Version 0.2.3 is affected
Version 0.2.4 is affected
Version 0.2.5 is affected
Version 0.2.6 is affected
Version 0.2.7 is affected
Version 0.2.8 is affected
Version 0.2.9 is affected

Credits

Eric-i (VulDB User) reporter
VulDB CNA Team coordinator

References

Problem Types