CVE-2026-16198

Sipeed PicoClaw First Run Setup access_control.go authentication bypass

MEDIUM
5.6
CVSS Score
Published: July 18, 2026 at 11:30 PM UTC
Updated: October 24, 2026 at 08:10 PM UTC
1 product affected across 1 vendorPicoClaw

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Severity
MEDIUM5.6
Exploit prediction
EPSS 0.6%
SSVC
PoC

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (8)

VDB EntryTechnical Description
Source: cverecord
https://vuldb.com/vuln/380014
SignaturePermissions Required
Source: cverecord
https://vuldb.com/vuln/380014/cti
Third Party Advisory
Source: cverecord
https://vuldb.com/cve/CVE-2026-16198
Third Party Advisory
Source: cverecord
https://vuldb.com/submit/852965
ExploitIssue Tracking
Source: cverecord
https://github.com/sipeed/picoclaw/issues/3080
Issue TrackingPatch
Source: cverecord
https://github.com/sipeed/picoclaw/pull/3083
Product
Source: cverecord
https://github.com/sipeed/picoclaw/

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.6MEDIUMVulDB
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-288CWE-287

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