CVE-2026-15318

MEDIUM 6.3

Sipeed PicoClaw MQTT Channel mqtt.go authorization

CVSS Score

6.3

EPSS Score

0.2%

EPSS Percentile

12th

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.

CWE	CWE-863 CWE-285
Vendor	sipeed
Product	picoclaw
Published	Jul 10, 2026
Last Updated	Jul 10, 2026

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CVSS v3 Breakdown

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

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

Sipeed / PicoClaw

0.2.0 0.2.1 0.2.2 0.2.3 0.2.4 0.2.5 0.2.6 0.2.7 0.2.8 0.2.9

References

NVD ↗ CVE.org ↗ EPSS Data ↗

vuldb.com: https://vuldb.com/vuln/377258 vuldb.com: https://vuldb.com/vuln/377258/cti vuldb.com: https://vuldb.com/cve/CVE-2026-15318 vuldb.com: https://vuldb.com/submit/852879 github.com: https://github.com/sipeed/picoclaw/issues/3068 github.com: https://github.com/sipeed/picoclaw/

Credits

🔍 Eric-d (VulDB User) VulDB CNA Team