CVE-2026-15318

Sipeed PicoClaw MQTT Channel mqtt.go authorization

State: Published
Severity: 5.3 Medium
Published: Jul 10, 2026
Updated: Jul 10, 2026
Reserved: Jul 9, 2026

Description

A weakness has been identified in Sipeed PicoClaw up to 0.2.9. Affected by this issue is some unknown functionality of the file pkg/channels/mqtt/mqtt.go of the component MQTT Channel Handler. This manipulation of the argument client_id causes incorrect authorization. The attack is possible to be carried out remotely. The exploit has been made available to the public and could be used for attacks. The reported GitHub issue was closed automatically due to inactivity.

Scores

CVSS	Score	Vector	Source
4.0	5.3 Medium	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	VulDB
3.1	6.3 Medium	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R	VulDB
3.0	6.3 Medium	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	VulDB
2.0	6.5 Medium	AV:N/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR	VulDB

Weaknesses

CWE-863 Incorrect Authorization
CWE-285 Improper Authorization

Affected Products

Product	Versions
PicoClawSipeed	0.2.0Affected 0.2.1Affected 0.2.2Affected 0.2.3Affected 0.2.4Affected 0.2.5Affected 0.2.6Affected 0.2.7Affected 0.2.8Affected 0.2.9Affected

References

VDB-377258 | Sipeed PicoClaw MQTT Channel mqtt.go authorizationvdb-entrytechnical-description
VDB-377258 | CTI Indicators (IOB, IOC, IOA)signaturepermissions-required
CVE-2026-15318 | CVE Analysis and Reportthird-party-advisory
Submit #852879 | Sipeed PicoClaw <= 0.2.9 Incorrect Authorization (CWE-863)third-party-advisory
https://github.com/sipeed/picoclaw/issues/3068exploitissue-tracking
https://github.com/sipeed/picoclaw/product

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