Sipeed PicoClaw Group Message wecom.go dispatchIncoming authorization

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-16195
StatePUBLISHED
AssignerVulDB
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-07-18 23:17:00 UTC
Updated2026-07-20 14:16:54 UTC
DescriptionA security flaw has been discovered in Sipeed PicoClaw up to 0.2.9. This issue affects the function dispatchIncoming of the file pkg/channels/wecom/wecom.go of the component Group Message Handler. The manipulation results in incorrect authorization. It is possible to launch the attack remotely. The exploit has been released to the public and may be used for attacks. The reported GitHub issue was closed automatically due to inactivity.

Risk And Classification

Primary CVSS: v4.0 2.1 LOW from [email protected]

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS: 0.003500000 probability, percentile 0.273520000 (date 2026-07-20)

Problem Types: CWE-285 | CWE-863 | CWE-863 Incorrect Authorization | CWE-285 Improper Authorization

VersionSourceTypeScoreSeverityVector
4.0[email protected]Secondary2.1LOWCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/C...
4.0CNADECLARED5.3MEDIUMCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
3.1[email protected]Secondary6.3MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
3.1CNADECLARED6.3MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
3.0CNADECLARED6.3MEDIUMCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
2.0[email protected]Secondary6.5AV:N/AC:L/Au:S/C:P/I:P/A:P
2.0CNADECLARED6.5AV:N/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR

CVSS v4.0 Breakdown

Attack Vector
Network
Attack Complexity
Low
Attack Requirements
None
Privileges Required
Low
User Interaction
None
Confidentiality
Low
Integrity
Low
Availability
Low
Sub Conf.
None
Sub Integrity
None
Sub Availability
None

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

CVSS v3.1 Breakdown

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

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

CVSS v3.0 Breakdown

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

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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Sipeed PicoClaw affected 0.2.0 Not specified
CNA Sipeed PicoClaw affected 0.2.1 Not specified
CNA Sipeed PicoClaw affected 0.2.2 Not specified
CNA Sipeed PicoClaw affected 0.2.3 Not specified
CNA Sipeed PicoClaw affected 0.2.4 Not specified
CNA Sipeed PicoClaw affected 0.2.5 Not specified
CNA Sipeed PicoClaw affected 0.2.6 Not specified
CNA Sipeed PicoClaw affected 0.2.7 Not specified
CNA Sipeed PicoClaw affected 0.2.8 Not specified
CNA Sipeed PicoClaw affected 0.2.9 Not specified

References

ReferenceSourceLinkTags
vuldb.com/vuln/380011/cti [email protected] vuldb.com
github.com/sipeed/picoclaw/issues/3076 [email protected] github.com
vuldb.com/cve/CVE-2026-16195 [email protected] vuldb.com
vuldb.com/vuln/380011 [email protected] vuldb.com
github.com/sipeed/picoclaw [email protected] github.com
vuldb.com/submit/852962 [email protected] vuldb.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: Eric-i (VulDB User) (en)

CNA: VulDB CNA Team (en)

Additional Advisory Data

SourceTimeEvent
CNA2026-07-18T00:00:00.000ZAdvisory disclosed
CNA2026-07-18T02:00:00.000ZVulDB entry created
CNA2026-07-18T09:27:47.000ZVulDB entry last update

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