{
    "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"
                }
            }
        ]
    }
}