CVE-2026-16198

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-16198", "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5", "state": "PUBLISHED", "assignerShortName": "VulDB", "dateReserved": "2026-07-18T07:22:40.821Z", "datePublished": "2026-07-18T23:30:18.741Z", "dateUpdated": "2026-07-21T14:32:20.618Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "1af790b2-7ee1-4545-860a-a788eba489b5", "shortName": "VulDB", "dateUpdated": "2026-07-18T23:30:18.741Z"}, "title": "Sipeed PicoClaw First Run Setup access_control.go authentication bypass", "problemTypes": [{"descriptions": [{"type": "CWE", "cweId": "CWE-288", "lang": "en", "description": "Authentication Bypass Using Alternate Channel"}]}, {"descriptions": [{"type": "CWE", "cweId": "CWE-287", "lang": "en", "description": "Improper Authentication"}]}], "affected": [{"vendor": "Sipeed", "product": "PicoClaw", "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"}], "cpes": ["cpe:2.3:a:sipeed:picoclaw:*:*:*:*:*:*:*:*"], "modules": ["First Run Setup"]}], "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."}], "metrics": [{"cvssV4_0": {"version": "4.0", "baseScore": 6.3, "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", "baseSeverity": "MEDIUM"}}, {"cvssV3_1": {"version": "3.1", "baseScore": 5.6, "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C", "baseSeverity": "MEDIUM"}}, {"cvssV3_0": {"version": "3.0", "baseScore": 5.6, "vectorString": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C", "baseSeverity": "MEDIUM"}}, {"cvssV2_0": {"version": "2.0", "baseScore": 5.1, "vectorString": "AV:N/AC:H/Au:N/C:P/I:P/A:P/E:POC/RL:OF/RC:C"}}], "timeline": [{"time": "2026-07-18T00:00:00.000Z", "lang": "en", "value": "Advisory disclosed"}, {"time": "2026-07-18T02:00:00.000Z", "lang": "en", "value": "VulDB entry created"}, {"time": "2026-07-18T09:28:00.000Z", "lang": "en", "value": "VulDB entry last update"}], "credits": [{"lang": "en", "value": "Eric-i (VulDB User)", "type": "reporter"}], "references": [{"url": "https://vuldb.com/vuln/380014", "name": "VDB-380014 | Sipeed PicoClaw First Run Setup access_control.go authentication bypass", "tags": ["vdb-entry", "technical-description"]}, {"url": "https://vuldb.com/vuln/380014/cti", "name": "VDB-380014 | CTI Indicators (IOB, IOC, IOA)", "tags": ["signature", "permissions-required"]}, {"url": "https://vuldb.com/cve/CVE-2026-16198", "name": "CVE-2026-16198 | CVE Analysis and Report", "tags": ["third-party-advisory"]}, {"url": "https://vuldb.com/submit/852965", "name": "Submit #852965 | Sipeed PicoClaw <= v0.2.9 Authentication Bypass Using an Alternate Path or Channel (CWE-288)", "tags": ["third-party-advisory"]}, {"url": "https://github.com/sipeed/picoclaw/issues/3080", "tags": ["exploit", "issue-tracking"]}, {"url": "https://github.com/sipeed/picoclaw/pull/3083", "tags": ["issue-tracking", "patch"]}, {"url": "https://github.com/sipeed/picoclaw/commit/017601354be38cb027ff3ffb01aed79bd5d12610", "tags": ["patch"]}, {"url": "https://github.com/sipeed/picoclaw/", "tags": ["product"]}], "tags": ["x_open-source"]}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-07-21T14:31:37.887675Z", "id": "CVE-2026-16198", "options": [{"Exploitation": "poc"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-07-21T14:32:20.618Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-16198", "role": "CISA Coordinator", "options": [{"Exploitation": "poc"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-07-21T14:31:37.887675Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-07-21T14:32:04.779Z"}}], "cna": {"tags": ["x_open-source"], "title": "Sipeed PicoClaw First Run Setup access_control.go authentication bypass", "credits": [{"lang": "en", "type": "reporter", "value": "Eric-i (VulDB User)"}], "metrics": [{"cvssV4_0": {"version": "4.0", "baseScore": 6.3, "baseSeverity": "MEDIUM", "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"}}, {"cvssV3_1": {"version": "3.1", "baseScore": 5.6, "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C"}}, {"cvssV3_0": {"version": "3.0", "baseScore": 5.6, "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C"}}, {"cvssV2_0": {"version": "2.0", "baseScore": 5.1, "vectorString": "AV:N/AC:H/Au:N/C:P/I:P/A:P/E:POC/RL:OF/RC:C"}}], "affected": [{"cpes": ["cpe:2.3:a:sipeed:picoclaw:*:*:*:*:*:*:*:*"], "vendor": "Sipeed", "modules": ["First Run Setup"], "product": "PicoClaw", "versions": [{"status": "affected", "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"}]}], "timeline": [{"lang": "en", "time": "2026-07-18T00:00:00.000Z", "value": "Advisory disclosed"}, {"lang": "en", "time": "2026-07-18T02:00:00.000Z", "value": "VulDB entry created"}, {"lang": "en", "time": "2026-07-18T09:28:00.000Z", "value": "VulDB entry last update"}], "references": [{"url": "https://vuldb.com/vuln/380014", "name": "VDB-380014 | Sipeed PicoClaw First Run Setup access_control.go authentication bypass", "tags": ["vdb-entry", "technical-description"]}, {"url": "https://vuldb.com/vuln/380014/cti", "name": "VDB-380014 | CTI Indicators (IOB, IOC, IOA)", "tags": ["signature", "permissions-required"]}, {"url": "https://vuldb.com/cve/CVE-2026-16198", "name": "CVE-2026-16198 | CVE Analysis and Report", "tags": ["third-party-advisory"]}, {"url": "https://vuldb.com/submit/852965", "name": "Submit #852965 | Sipeed PicoClaw <= v0.2.9 Authentication Bypass Using an Alternate Path or Channel (CWE-288)", "tags": ["third-party-advisory"]}, {"url": "https://github.com/sipeed/picoclaw/issues/3080", "tags": ["exploit", "issue-tracking"]}, {"url": "https://github.com/sipeed/picoclaw/pull/3083", "tags": ["issue-tracking", "patch"]}, {"url": "https://github.com/sipeed/picoclaw/commit/017601354be38cb027ff3ffb01aed79bd5d12610", "tags": ["patch"]}, {"url": "https://github.com/sipeed/picoclaw/", "tags": ["product"]}], "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."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-288", "description": "Authentication Bypass Using Alternate Channel"}]}, {"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-287", "description": "Improper Authentication"}]}], "providerMetadata": {"orgId": "1af790b2-7ee1-4545-860a-a788eba489b5", "shortName": "VulDB", "dateUpdated": "2026-07-18T23:30:18.741Z"}}}, "cveMetadata": {"cveId": "CVE-2026-16198", "state": "PUBLISHED", "dateUpdated": "2026-07-21T14:32:20.618Z", "dateReserved": "2026-07-18T07:22:40.821Z", "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5", "datePublished": "2026-07-18T23:30:18.741Z", "assignerShortName": "VulDB"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"cpes": ["cpe:2.3:a:sipeed:picoclaw:*:*:*:*:*:*:*:*"], "modules": ["First Run Setup"], "product": "PicoClaw", "vendor": "Sipeed", "versions": [{"status": "affected", "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"}]}], "source": "cna@vuldb.com"}], "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 detect\u00f3 una vulnerabilidad en Sipeed PicoClaw hasta la versi\u00f3n 0.2.9. El elemento afectado es una funci\u00f3n desconocida del archivo web/backend/middleware/access_control.go del componente Configuraci\u00f3n Inicial. Realizar una manipulaci\u00f3n del argumento allowed_cidrs resulta en una omisi\u00f3n de autenticaci\u00f3n utilizando un canal alternativo. El ataque puede iniciarse de forma remota. La complejidad del ataque se califica como alta. La explotabilidad se considera dif\u00edcil. El exploit ahora es p\u00fablico y puede ser utilizado. El parche se denomina 017601354be38cb027ff3ffb01aed79bd5d12610. Aplicar un parche es la acci\u00f3n recomendada para solucionar este problema."}], "id": "CVE-2026-16198", "lastModified": "2026-10-24T20:10:00.137", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "HIGH", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 5.1, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:H/Au:N/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 4.9, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "cna@vuldb.com", "type": "Secondary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 5.6, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L", "version": "3.1"}, "exploitabilityScore": 2.2, "impactScore": 3.4, "source": "cna@vuldb.com", "type": "Secondary"}], "cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "HIGH", "attackRequirements": "NONE", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 2.9, "baseSeverity": "LOW", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "PROOF_OF_CONCEPT", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "NONE", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "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", "version": "4.0", "vulnAvailabilityImpact": "LOW", "vulnConfidentialityImpact": "LOW", "vulnIntegrityImpact": "LOW", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "cna@vuldb.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-16198", "options": [{"exploitation": "poc"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-07-21T14:31:37.887675Z", "version": "2.0.3"}}]}, "published": "2026-07-19T00:16:40.650", "references": [{"source": "cna@vuldb.com", "url": "https://github.com/sipeed/picoclaw/"}, {"source": "cna@vuldb.com", "url": "https://github.com/sipeed/picoclaw/commit/017601354be38cb027ff3ffb01aed79bd5d12610"}, {"source": "cna@vuldb.com", "url": "https://github.com/sipeed/picoclaw/issues/3080"}, {"source": "cna@vuldb.com", "url": "https://github.com/sipeed/picoclaw/pull/3083"}, {"source": "cna@vuldb.com", "url": "https://vuldb.com/cve/CVE-2026-16198"}, {"source": "cna@vuldb.com", "url": "https://vuldb.com/submit/852965"}, {"source": "cna@vuldb.com", "url": "https://vuldb.com/vuln/380014"}, {"source": "cna@vuldb.com", "url": "https://vuldb.com/vuln/380014/cti"}], "sourceIdentifier": "cna@vuldb.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-287"}, {"lang": "en", "value": "CWE-288"}], "source": "cna@vuldb.com", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "0.2.0"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "0.2.1"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "0.2.2"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "0.2.3"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "0.2.4"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "0.2.5"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "0.2.6"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "0.2.7"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "0.2.8"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "0.2.9"}}], "enrichment": {"confidence": 95.0, "confidence_source": "inferred", "scores": [{"score": 95.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "PicoClaw", "source": "cna", "vendor": "Sipeed"}, "product": "picoclaw", "vendor": "sipeed"}], "created": "2026-07-21T23:15:12.755911+00:00", "updated": "2026-07-30T23:00:22.291986+00:00", "vendors": ["sipeed", "sipeed$PRODUCT$picoclaw"]}