CVE-2026-16198
Full vulnerability record from the local CVENow database.
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.
Severity
LOW
CVSS score
2.9
(v4.0)
Vulnerability status
Deferred
Source identifier
Published
2026-07-19 00:16:40.650000
Last modified
2026-10-24 20:10:00.137000
View original CVE JSON
{
"id": "CVE-2026-16198",
"sourceIdentifier": "[email protected]",
"published": "2026-07-19T00:16:40.650",
"lastModified": "2026-10-24T20:10:00.137",
"vulnStatus": "Deferred",
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "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."
},
{
"lang": "es",
"value": "Se detectó una vulnerabilidad en Sipeed PicoClaw hasta la versión 0.2.9. El elemento afectado es una función desconocida del archivo web/backend/middleware/access_control.go del componente Configuración Inicial. Realizar una manipulación del argumento allowed_cidrs resulta en una omisión de autenticación utilizando un canal alternativo. El ataque puede iniciarse de forma remota. La complejidad del ataque se califica como alta. La explotabilidad se considera difícil. El exploit ahora es público y puede ser utilizado. El parche se denomina 017601354be38cb027ff3ffb01aed79bd5d12610. Aplicar un parche es la acción recomendada para solucionar este problema."
}
],
"affected": [
{
"source": "[email protected]",
"affectedData": [
{
"vendor": "Sipeed",
"product": "PicoClaw",
"cpes": [
"cpe:2.3:a:sipeed:picoclaw:*:*:*:*:*:*:*:*"
],
"modules": [
"First Run Setup"
],
"versions": [
{
"version": "0.2.0",
"status": "affected"
},
{
"version": "0.2.1",
"status": "affected"
},
{
"version": "0.2.2",
"status": "affected"
},
{
"version": "0.2.3",
"status": "affected"
},
{
"version": "0.2.4",
"status": "affected"
},
{
"version": "0.2.5",
"status": "affected"
},
{
"version": "0.2.6",
"status": "affected"
},
{
"version": "0.2.7",
"status": "affected"
},
{
"version": "0.2.8",
"status": "affected"
},
{
"version": "0.2.9",
"status": "affected"
}
]
}
]
}
],
"metrics": {
"cvssMetricV40": [
{
"source": "[email protected]",
"type": "Secondary",
"cvssData": {
"version": "4.0",
"vectorString": "CVSS:4.0/AV:N/AC:H/AT:N/PR:N/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",
"baseScore": 2.9,
"baseSeverity": "LOW",
"attackVector": "NETWORK",
"attackComplexity": "HIGH",
"attackRequirements": "NONE",
"privilegesRequired": "NONE",
"userInteraction": "NONE",
"vulnConfidentialityImpact": "LOW",
"vulnIntegrityImpact": "LOW",
"vulnAvailabilityImpact": "LOW",
"subConfidentialityImpact": "NONE",
"subIntegrityImpact": "NONE",
"subAvailabilityImpact": "NONE",
"exploitMaturity": "PROOF_OF_CONCEPT",
"confidentialityRequirement": "NOT_DEFINED",
"integrityRequirement": "NOT_DEFINED",
"availabilityRequirement": "NOT_DEFINED",
"modifiedAttackVector": "NOT_DEFINED",
"modifiedAttackComplexity": "NOT_DEFINED",
"modifiedAttackRequirements": "NOT_DEFINED",
"modifiedPrivilegesRequired": "NOT_DEFINED",
"modifiedUserInteraction": "NOT_DEFINED",
"modifiedVulnConfidentialityImpact": "NOT_DEFINED",
"modifiedVulnIntegrityImpact": "NOT_DEFINED",
"modifiedVulnAvailabilityImpact": "NOT_DEFINED",
"modifiedSubConfidentialityImpact": "NOT_DEFINED",
"modifiedSubIntegrityImpact": "NOT_DEFINED",
"modifiedSubAvailabilityImpact": "NOT_DEFINED",
"Safety": "NOT_DEFINED",
"Automatable": "NOT_DEFINED",
"Recovery": "NOT_DEFINED",
"valueDensity": "NOT_DEFINED",
"vulnerabilityResponseEffort": "NOT_DEFINED",
"providerUrgency": "NOT_DEFINED"
}
}
],
"cvssMetricV31": [
{
"source": "[email protected]",
"type": "Secondary",
"cvssData": {
"version": "3.1",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L",
"baseScore": 5.6,
"baseSeverity": "MEDIUM",
"attackVector": "NETWORK",
"attackComplexity": "HIGH",
"privilegesRequired": "NONE",
"userInteraction": "NONE",
"scope": "UNCHANGED",
"confidentialityImpact": "LOW",
"integrityImpact": "LOW",
"availabilityImpact": "LOW"
},
"exploitabilityScore": 2.2,
"impactScore": 3.4
}
],
"cvssMetricV2": [
{
"source": "[email protected]",
"type": "Secondary",
"cvssData": {
"version": "2.0",
"vectorString": "AV:N/AC:H/Au:N/C:P/I:P/A:P",
"baseScore": 5.1,
"accessVector": "NETWORK",
"accessComplexity": "HIGH",
"authentication": "NONE",
"confidentialityImpact": "PARTIAL",
"integrityImpact": "PARTIAL",
"availabilityImpact": "PARTIAL"
},
"baseSeverity": "MEDIUM",
"exploitabilityScore": 4.9,
"impactScore": 6.4,
"acInsufInfo": false,
"obtainAllPrivilege": false,
"obtainUserPrivilege": false,
"obtainOtherPrivilege": false,
"userInteractionRequired": false
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"timestamp": "2026-07-21T14:31:37.887675Z",
"id": "CVE-2026-16198",
"options": [
{
"exploitation": "poc"
},
{
"automatable": "no"
},
{
"technicalImpact": "partial"
}
],
"role": "CISA Coordinator",
"version": "2.0.3"
}
}
]
},
"weaknesses": [
{
"source": "[email protected]",
"type": "Secondary",
"description": [
{
"lang": "en",
"value": "CWE-287"
},
{
"lang": "en",
"value": "CWE-288"
}
]
}
],
"references": [
{
"url": "https://github.com/sipeed/picoclaw/",
"source": "[email protected]"
},
{
"url": "https://github.com/sipeed/picoclaw/commit/017601354be38cb027ff3ffb01aed79bd5d12610",
"source": "[email protected]"
},
{
"url": "https://github.com/sipeed/picoclaw/issues/3080",
"source": "[email protected]"
},
{
"url": "https://github.com/sipeed/picoclaw/pull/3083",
"source": "[email protected]"
},
{
"url": "https://vuldb.com/cve/CVE-2026-16198",
"source": "[email protected]"
},
{
"url": "https://vuldb.com/submit/852965",
"source": "[email protected]"
},
{
"url": "https://vuldb.com/vuln/380014",
"source": "[email protected]"
},
{
"url": "https://vuldb.com/vuln/380014/cti",
"source": "[email protected]"
}
]
}