{
    "document": {
        "category": "csaf_base",
        "csaf_version": "2.0",
        "distribution": {
            "tlp": {
                "label": "WHITE"
            }
        },
        "lang": "en",
        "notes": [
            {
                "category": "legal_disclaimer",
                "text": "The Netherlands Cyber Security Center (henceforth: NCSC-NL) maintains this portal to enhance access to its information and vulnerabilities. The use of this information is subject to the following terms and conditions:\n\nThe vulnerabilities disclosed in this portal are gathered by NCSC-NL from a variety of open sources, which the user can retrieve from other platforms. NCSC-NL makes every reasonable effort to ensure that the content of this portal is kept up to date, and that it is accurate and complete. Nevertheless, NCSC-NL cannot entirely rule out the possibility of errors, and therefore cannot give any warranty in respect of its completeness, accuracy or real-time keeping up-to-date. NCSC-NL does not control nor guarantee the accuracy, relevance, timeliness or completeness of information obtained from these external sources. The vulnerabilities disclosed in this portal are intended solely for the convenience of professional parties to take appropriate measures to manage the risks posed to the cybersecurity. No rights can be derived from the information provided therein.\n\nNCSC-NL and the Kingdom of the Netherlands assume no legal liability or responsibility for any damage resulting from either the use or inability of use of the vulnerabilities disclosed in this portal. This includes damage resulting from the inaccuracy of incompleteness of the information contained in it.\nThe information on this page is subject to Dutch law. All disputes related to or arising from the use of this portal regarding the disclosure of vulnerabilities will be submitted to the competent court in The Hague. This choice of means also applies to the court in summary proceedings."
            }
        ],
        "publisher": {
            "category": "coordinator",
            "contact_details": "cert@ncsc.nl",
            "name": "National Cyber Security Centre",
            "namespace": "https://www.ncsc.nl/"
        },
        "title": "CVE-2026-3558",
        "tracking": {
            "current_release_date": "2026-03-23T04:22:49.609123Z",
            "generator": {
                "date": "2026-02-17T15:00:00Z",
                "engine": {
                    "name": "V.E.L.M.A",
                    "version": "1.7"
                }
            },
            "id": "CVE-2026-3558",
            "initial_release_date": "2026-03-07T11:35:10.033096Z",
            "revision_history": [
                {
                    "date": "2026-03-07T11:35:10.033096Z",
                    "number": "1",
                    "summary": "NCSC Score created."
                },
                {
                    "date": "2026-03-13T21:39:32.549732Z",
                    "number": "2",
                    "summary": "Source created.| CVE status created. (valid)| Description created for source.| Products connected (1).| References created (1).| CWES updated (1)."
                },
                {
                    "date": "2026-03-13T21:39:35.123897Z",
                    "number": "3",
                    "summary": "NCSC Score updated."
                },
                {
                    "date": "2026-03-14T14:50:18.229603Z",
                    "number": "4",
                    "summary": "Source created.| CVE status created. (valid)| EPSS created."
                },
                {
                    "date": "2026-03-16T14:36:04.265480Z",
                    "number": "5",
                    "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| References created (1).| CWES updated (1)."
                },
                {
                    "date": "2026-03-16T14:36:07.881191Z",
                    "number": "6",
                    "summary": "NCSC Score updated."
                },
                {
                    "date": "2026-03-16T20:39:49.834898Z",
                    "number": "7",
                    "summary": "Unknown change."
                },
                {
                    "date": "2026-03-16T20:39:52.437885Z",
                    "number": "8",
                    "summary": "NCSC Score updated."
                },
                {
                    "date": "2026-03-20T09:28:39.053595Z",
                    "number": "9",
                    "summary": "Source connected.| CVE status created. (valid)| EPSS created."
                },
                {
                    "date": "2026-03-20T09:28:42.324234Z",
                    "number": "10",
                    "summary": "NCSC Score updated."
                }
            ],
            "status": "interim",
            "version": "10"
        }
    },
    "product_tree": {
        "branches": [
            {
                "branches": [
                    {
                        "branches": [
                            {
                                "category": "product_version_range",
                                "name": "vers:unknown/1.73.1973146020",
                                "product": {
                                    "name": "vers:unknown/1.73.1973146020",
                                    "product_id": "CSAFPID-5826010"
                                }
                            }
                        ],
                        "category": "product_name",
                        "name": "Hue Bridge"
                    }
                ],
                "category": "vendor",
                "name": "Philips"
            }
        ]
    },
    "vulnerabilities": [
        {
            "cve": "CVE-2026-3558",
            "cwe": {
                "id": "CWE-306",
                "name": "Missing Authentication for Critical Function"
            },
            "notes": [
                {
                    "category": "description",
                    "text": "Philips Hue Bridge HomeKit Accessory Protocol Transient Pairing Mode Authentication Bypass Vulnerability. This vulnerability allows network-adjacent attackers to bypass authentication on affected installations of Philips Hue Bridge. Authentication is not required to exploit this vulnerability.\n\nThe specific flaw exists within the configuration of the HomeKit Accessory Protocol service, which listens on TCP port 8080 by default. The issue results from the lack of authentication prior to allowing access to functionality. An attacker can leverage this vulnerability to bypass authentication on the system. Was ZDI-CAN-28374.",
                    "title": "cveprojectv5 - https://www.cve.org/CVERecord?id=CVE-2026-3558"
                },
                {
                    "category": "description",
                    "text": "Philips Hue Bridge HomeKit Accessory Protocol Transient Pairing Mode Authentication Bypass Vulnerability. This vulnerability allows network-adjacent attackers to bypass authentication on affected installations of Philips Hue Bridge. Authentication is not required to exploit this vulnerability.\n\nThe specific flaw exists within the configuration of the HomeKit Accessory Protocol service, which listens on TCP port 8080 by default. The issue results from the lack of authentication prior to allowing access to functionality. An attacker can leverage this vulnerability to bypass authentication on the system. Was ZDI-CAN-28374.",
                    "title": "nvd - https://nvd.nist.gov/vuln/detail/CVE-2026-3558"
                },
                {
                    "category": "other",
                    "text": "0.00029",
                    "title": "EPSS"
                },
                {
                    "category": "other",
                    "text": "3.9",
                    "title": "NCSC Score"
                },
                {
                    "category": "other",
                    "text": "The value of the most recent EPSS score, There is cwe data available from source Nvd",
                    "title": "NCSC Score top decreasing factors"
                }
            ],
            "product_status": {
                "known_affected": [
                    "CSAFPID-5826010"
                ]
            },
            "references": [
                {
                    "category": "external",
                    "summary": "Source - cveprojectv5",
                    "url": "https://www.cve.org/CVERecord?id=CVE-2026-3558"
                },
                {
                    "category": "external",
                    "summary": "Source raw - cveprojectv5",
                    "url": "https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/3xxx/CVE-2026-3558.json"
                },
                {
                    "category": "external",
                    "summary": "Source - first",
                    "url": "https://api.first.org/data/v1/epss?cve=CVE-2026-3558"
                },
                {
                    "category": "external",
                    "summary": "Source raw - first",
                    "url": "https://api.first.org/data/v1/epss?limit=10000&offset=0"
                },
                {
                    "category": "external",
                    "summary": "Source - nvd",
                    "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-3558"
                },
                {
                    "category": "external",
                    "summary": "Source raw - nvd",
                    "url": "https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2026-3558"
                },
                {
                    "category": "external",
                    "summary": "Source - first",
                    "url": "https://api.first.org/data/v1/epss?limit=10000&offset=0"
                },
                {
                    "category": "external",
                    "summary": "Reference - cveprojectv5; nvd",
                    "url": "https://www.zerodayinitiative.com/advisories/ZDI-26-156/"
                }
            ],
            "scores": [
                {
                    "cvss_v3": {
                        "version": "3.0",
                        "vectorString": "CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N",
                        "baseScore": 8.1,
                        "baseSeverity": "HIGH"
                    },
                    "products": [
                        "CSAFPID-5826010"
                    ]
                }
            ],
            "title": "CVE-2026-3558"
        }
    ]
}