CVE-2026-16198

MEDIUM

Sipeed PicoClaw First Run Setup access_control.go authentication bypass

Title source: cna
STIX 2.1

Description

A vulnerability was detected in Sipeed PicoClaw up to 0.2.9. The impacted element is an unknown function of the file web/backend/middleware/access_control.go of the component First Run Setup. Performing a manipulation of the argument allowed_cidrs results in authentication bypass using alternate channel. The attack may be initiated remotely. The attack's complexity is rated as high. The exploitability is regarded as difficult. The exploit is now public and may be used. The patch is named 017601354be38cb027ff3ffb01aed79bd5d12610. Applying a patch is the recommended action to fix this issue.

References (8)

Core 8
Core References
Vdb Entry, Technical Description vdb-entry technical-description
VDB-380014 | Sipeed PicoClaw First Run Setup access_control.go authentication bypass
https://vuldb.com/vuln/380014
Signature, Permissions Required signature permissions-required
VDB-380014 | CTI Indicators (IOB, IOC, IOA)
https://vuldb.com/vuln/380014/cti
Third Party Advisory third-party-advisory
CVE-2026-16198 | CVE Analysis and Report
https://vuldb.com/cve/CVE-2026-16198
Third Party Advisory third-party-advisory
Submit #852965 | Sipeed PicoClaw <= v0.2.9 Authentication Bypass Using an Alternate Path or Channel (CWE-288)
https://vuldb.com/submit/852965
Exploit exploit issue-tracking
https://github.com/sipeed/picoclaw/issues/3080

Scores

CVSS v3 5.6
EPSS 0.0039
EPSS Percentile 32.0%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact partial

Details

CWE
CWE-287 CWE-288
Status published
Products (10)
Sipeed/PicoClaw 0.2.0
Sipeed/PicoClaw 0.2.1
Sipeed/PicoClaw 0.2.2
Sipeed/PicoClaw 0.2.3
Sipeed/PicoClaw 0.2.4
Sipeed/PicoClaw 0.2.5
Sipeed/PicoClaw 0.2.6
Sipeed/PicoClaw 0.2.7
Sipeed/PicoClaw 0.2.8
Sipeed/PicoClaw 0.2.9
Published Jul 19, 2026
Tracked Since Jul 19, 2026