{
    "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-2026-5107",
        "tracking": {
            "current_release_date": "2026-03-31T06:44:06.756613Z",
            "generator": {
                "date": "2026-02-17T15:00:00Z",
                "engine": {
                    "name": "V.E.L.M.A",
                    "version": "1.7"
                }
            },
            "id": "CVE-2026-5107",
            "initial_release_date": "2026-03-30T05:38:48.728199Z",
            "revision_history": [
                {
                    "date": "2026-03-30T05:38:48.728199Z",
                    "number": "1",
                    "summary": "CVE created.| Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| Products created (2).| References created (6).| CWES updated (1)."
                },
                {
                    "date": "2026-03-30T05:38:51.528173Z",
                    "number": "2",
                    "summary": "NCSC Score created."
                },
                {
                    "date": "2026-03-30T12:07:08.485132Z",
                    "number": "3",
                    "summary": "Source created.| CVE status created. (valid)| Products created (1).| References created (3)."
                },
                {
                    "date": "2026-03-30T12:07:11.464694Z",
                    "number": "4",
                    "summary": "NCSC Score updated."
                },
                {
                    "date": "2026-03-30T12:43:14.227192Z",
                    "number": "5",
                    "summary": "Source created.| CVE status created. (valid)| Products connected (2)."
                },
                {
                    "date": "2026-03-30T12:43:16.636330Z",
                    "number": "6",
                    "summary": "NCSC Score updated."
                },
                {
                    "date": "2026-03-30T14:11:47.352255Z",
                    "number": "7",
                    "summary": "Source connected.| CVE status created. (valid)| EPSS created."
                },
                {
                    "date": "2026-03-30T14:11:51.773188Z",
                    "number": "8",
                    "summary": "NCSC Score updated."
                },
                {
                    "date": "2026-03-30T15:01:41.821260Z",
                    "number": "9",
                    "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| References created (6).| CWES updated (1)."
                },
                {
                    "date": "2026-03-30T15:01:45.933192Z",
                    "number": "10",
                    "summary": "NCSC Score updated."
                },
                {
                    "date": "2026-03-30T16:39:03.221385Z",
                    "number": "11",
                    "summary": "Unknown change."
                },
                {
                    "date": "2026-03-31T00:28:06.019660Z",
                    "number": "12",
                    "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| Products connected (6).| Product Identifiers created (3).| Product Remediations created (7).| Products created (1).| References created (8).| CWES updated (1).| Vendor_assessment created."
                },
                {
                    "date": "2026-03-31T00:28:14.622251Z",
                    "number": "13",
                    "summary": "NCSC Score updated."
                },
                {
                    "date": "2026-03-31T06:43:21.745003Z",
                    "number": "14",
                    "summary": "Description created for source."
                }
            ],
            "status": "interim",
            "version": "14"
        }
    },
    "product_tree": {
        "branches": [
            {
                "branches": [
                    {
                        "branches": [
                            {
                                "category": "product_version_range",
                                "name": "vers:unknown/10.5.0",
                                "product": {
                                    "name": "vers:unknown/10.5.0",
                                    "product_id": "CSAFPID-5962956"
                                }
                            },
                            {
                                "category": "product_version_range",
                                "name": "vers:unknown/10.5.1",
                                "product": {
                                    "name": "vers:unknown/10.5.1",
                                    "product_id": "CSAFPID-5962957"
                                }
                            }
                        ],
                        "category": "product_name",
                        "name": "FRR"
                    }
                ],
                "category": "vendor",
                "name": "FRRouting"
            },
            {
                "branches": [
                    {
                        "branches": [
                            {
                                "category": "product_version_range",
                                "name": "vers:unknown/<=10.5.1",
                                "product": {
                                    "name": "vers:unknown/<=10.5.1",
                                    "product_id": "CSAFPID-5963524"
                                }
                            }
                        ],
                        "category": "product_name",
                        "name": "FRRouting"
                    }
                ],
                "category": "vendor",
                "name": "FRRouting Project"
            },
            {
                "branches": [
                    {
                        "branches": [
                            {
                                "category": "product_version_range",
                                "name": "vers:rpm/10",
                                "product": {
                                    "name": "vers:rpm/10",
                                    "product_id": "CSAFPID-2858634",
                                    "product_identification_helper": {
                                        "cpe": "cpe:/o:redhat:enterprise_linux:10"
                                    }
                                }
                            }
                        ],
                        "category": "product_name",
                        "name": "Red Hat Enterprise Linux 10"
                    },
                    {
                        "branches": [
                            {
                                "category": "product_version_range",
                                "name": "vers:rpm/8",
                                "product": {
                                    "name": "vers:rpm/8",
                                    "product_id": "CSAFPID-1439317",
                                    "product_identification_helper": {
                                        "cpe": "cpe:/a:redhat:enterprise_linux:8"
                                    }
                                }
                            }
                        ],
                        "category": "product_name",
                        "name": "Red Hat Enterprise Linux 8"
                    },
                    {
                        "branches": [
                            {
                                "category": "product_version_range",
                                "name": "vers:rpm/9",
                                "product": {
                                    "name": "vers:rpm/9",
                                    "product_id": "CSAFPID-1439319",
                                    "product_identification_helper": {
                                        "cpe": "cpe:/a:redhat:enterprise_linux:9"
                                    }
                                }
                            }
                        ],
                        "category": "product_name",
                        "name": "Red Hat Enterprise Linux 9"
                    },
                    {
                        "branches": [
                            {
                                "branches": [
                                    {
                                        "category": "product_version_range",
                                        "name": "vers:rpm/unknown",
                                        "product": {
                                            "name": "vers:rpm/unknown",
                                            "product_id": "CSAFPID-5152986"
                                        }
                                    }
                                ],
                                "category": "product_name",
                                "name": "frr"
                            }
                        ],
                        "category": "product_family",
                        "name": "Red Hat Enterprise Linux 10"
                    },
                    {
                        "branches": [
                            {
                                "branches": [
                                    {
                                        "category": "product_version_range",
                                        "name": "vers:rpm/unknown",
                                        "product": {
                                            "name": "vers:rpm/unknown",
                                            "product_id": "CSAFPID-1692240"
                                        }
                                    }
                                ],
                                "category": "product_name",
                                "name": "frr"
                            }
                        ],
                        "category": "product_family",
                        "name": "Red Hat Enterprise Linux 8"
                    },
                    {
                        "branches": [
                            {
                                "branches": [
                                    {
                                        "category": "product_version_range",
                                        "name": "vers:rpm/unknown",
                                        "product": {
                                            "name": "vers:rpm/unknown",
                                            "product_id": "CSAFPID-1692241"
                                        }
                                    }
                                ],
                                "category": "product_name",
                                "name": "frr"
                            },
                            {
                                "branches": [
                                    {
                                        "category": "product_version_range",
                                        "name": "vers:rpm/unknown",
                                        "product": {
                                            "name": "vers:rpm/unknown",
                                            "product_id": "CSAFPID-5965713"
                                        }
                                    }
                                ],
                                "category": "product_name",
                                "name": "frr10"
                            }
                        ],
                        "category": "product_family",
                        "name": "Red Hat Enterprise Linux 9"
                    }
                ],
                "category": "vendor",
                "name": "Red Hat"
            },
            {
                "branches": [
                    {
                        "branches": [
                            {
                                "branches": [
                                    {
                                        "category": "product_version_range",
                                        "name": "vers:deb/unknown",
                                        "product": {
                                            "name": "vers:deb/unknown",
                                            "product_id": "CSAFPID-1399151"
                                        }
                                    }
                                ],
                                "category": "product_name",
                                "name": "frr"
                            }
                        ],
                        "category": "product_family",
                        "name": "bookworm"
                    },
                    {
                        "branches": [
                            {
                                "branches": [
                                    {
                                        "category": "product_version_range",
                                        "name": "vers:deb/unknown",
                                        "product": {
                                            "name": "vers:deb/unknown",
                                            "product_id": "CSAFPID-1399596"
                                        }
                                    }
                                ],
                                "category": "product_name",
                                "name": "frr"
                            }
                        ],
                        "category": "product_family",
                        "name": "bullseye"
                    }
                ],
                "category": "vendor",
                "name": "Debian"
            }
        ]
    },
    "vulnerabilities": [
        {
            "cve": "CVE-2026-5107",
            "cwe": {
                "id": "CWE-266",
                "name": "Incorrect Privilege Assignment"
            },
            "notes": [
                {
                    "category": "description",
                    "text": "A vulnerability has been found in FRRouting FRR up to 10.5.1. This affects the function process_type2_route of the file bgpd/bgp_evpn.c of the component EVPN Type-2 Route Handler. The manipulation leads to improper access controls. The attack can be initiated remotely. The attack is considered to have high complexity. The exploitability is reported as difficult. The identifier of the patch is 7676cad65114aa23adde583d91d9d29e2debd045. To fix this issue, it is recommended to deploy a patch.",
                    "title": "cveprojectv5 - https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/5xxx/CVE-2026-5107.json"
                },
                {
                    "category": "description",
                    "text": "A vulnerability has been found in FRRouting FRR up to 10.5.1. This affects the function process_type2_route of the file bgpd/bgp_evpn.c of the component EVPN Type-2 Route Handler. The manipulation leads to improper access controls. The attack can be initiated remotely. The attack is considered to have high complexity. The exploitability is reported as difficult. The identifier of the patch is 7676cad65114aa23adde583d91d9d29e2debd045. To fix this issue, it is recommended to deploy a patch.",
                    "title": "nvd - https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2026-5107"
                },
                {
                    "category": "description",
                    "text": "A flaw was found in frr package. This vulnerability, located in the EVPN Type-2 Route Handler function, allowing a remote attacker to manipulate access controls when successfully exploited. Due to the high complexity of the attack, exploitation is considered difficult. This could potentially lead to unauthorized actions within the system.\nA Moderate impact flaw was found in the FRRouting (FRR) package, specifically within the EVPN Type-2 Route Handler. This vulnerability could allow a remote attacker to manipulate access controls. Exploitation is considered difficult due to the high complexity of the attack. This affects Red Hat Enterprise Linux 8, 9, and 10.",
                    "title": "redhat - https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-5107.json"
                },
                {
                    "category": "description",
                    "text": "A vulnerability has been found in FRRouting FRR up to 10.5.1. This affects the function process_type2_route of the file bgpd/bgp_evpn.c of the component EVPN Type-2 Route Handler. The manipulation leads to improper access controls. The attack can be initiated remotely. The attack is considered to have high complexity. The exploitability is reported as difficult. The identifier of the patch is 7676cad65114aa23adde583d91d9d29e2debd045. To fix this issue, it is recommended to deploy a patch.",
                    "title": "debian - https://security-tracker.debian.org/tracker/CVE-2026-5107"
                },
                {
                    "category": "other",
                    "text": "0.00043",
                    "title": "EPSS"
                },
                {
                    "category": "other",
                    "text": "CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N/E:X",
                    "title": "CVSSV4"
                },
                {
                    "category": "other",
                    "text": "2.3",
                    "title": "CVSSV4 base score"
                },
                {
                    "category": "other",
                    "text": "4.0",
                    "title": "NCSC Score"
                },
                {
                    "category": "other",
                    "text": "There is product data available from source Certbundde",
                    "title": "NCSC Score top increasing factors"
                },
                {
                    "category": "other",
                    "text": "The value of the most recent EPSS score, There is product data available from source Debian, Is related to a product by vendor Debian",
                    "title": "NCSC Score top decreasing factors"
                },
                {
                    "category": "details",
                    "text": "Severity: 2\n",
                    "title": "Vendor assessment"
                }
            ],
            "product_status": {
                "known_affected": [
                    "CSAFPID-5962956",
                    "CSAFPID-5962957",
                    "CSAFPID-1399151",
                    "CSAFPID-1399596",
                    "CSAFPID-1439317",
                    "CSAFPID-1439319",
                    "CSAFPID-1692240",
                    "CSAFPID-1692241",
                    "CSAFPID-2858634",
                    "CSAFPID-5152986",
                    "CSAFPID-5965713"
                ],
                "last_affected": [
                    "CSAFPID-5963524"
                ]
            },
            "references": [
                {
                    "category": "external",
                    "summary": "Source - cveprojectv5",
                    "url": "https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/5xxx/CVE-2026-5107.json"
                },
                {
                    "category": "external",
                    "summary": "Source - certbundde",
                    "url": "https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-0914.json"
                },
                {
                    "category": "external",
                    "summary": "Source - debian",
                    "url": "https://security-tracker.debian.org/tracker/CVE-2026-5107"
                },
                {
                    "category": "external",
                    "summary": "Source - first",
                    "url": "https://api.first.org/data/v1/epss?limit=10000&offset=0"
                },
                {
                    "category": "external",
                    "summary": "Source - nvd",
                    "url": "https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2026-5107"
                },
                {
                    "category": "external",
                    "summary": "Source - redhat",
                    "url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-5107.json"
                },
                {
                    "category": "external",
                    "summary": "Reference - cveprojectv5; nvd; redhat",
                    "url": "https://vuldb.com/vuln/354132"
                },
                {
                    "category": "external",
                    "summary": "Reference - cveprojectv5; nvd; redhat",
                    "url": "https://vuldb.com/vuln/354132/cti"
                },
                {
                    "category": "external",
                    "summary": "Reference - cveprojectv5; nvd; redhat",
                    "url": "https://vuldb.com/submit/780123"
                },
                {
                    "category": "external",
                    "summary": "Reference - cveprojectv5; nvd; redhat",
                    "url": "https://github.com/FRRouting/frr/pull/21098"
                },
                {
                    "category": "external",
                    "summary": "Reference - cveprojectv5; nvd; redhat",
                    "url": "https://github.com/FRRouting/frr/commit/7676cad65114aa23adde583d91d9d29e2debd045"
                },
                {
                    "category": "external",
                    "summary": "Reference - cveprojectv5; nvd; redhat",
                    "url": "https://github.com/FRRouting/frr/"
                },
                {
                    "category": "external",
                    "summary": "Reference - certbundde",
                    "url": "https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-0914.json"
                },
                {
                    "category": "external",
                    "summary": "Reference - certbundde",
                    "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-0914"
                },
                {
                    "category": "external",
                    "summary": "Reference - certbundde",
                    "url": "https://euvd.enisa.europa.eu/enisa/EUVD-2026-17060"
                },
                {
                    "category": "external",
                    "summary": "Reference - redhat",
                    "url": "https://www.cve.org/CVERecord?id=CVE-2026-5107"
                },
                {
                    "category": "external",
                    "summary": "Reference - redhat",
                    "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-5107"
                }
            ],
            "remediations": [
                {
                    "category": "mitigation",
                    "details": "Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.",
                    "product_ids": [
                        "CSAFPID-1439317",
                        "CSAFPID-1439319",
                        "CSAFPID-1692240",
                        "CSAFPID-1692241",
                        "CSAFPID-2858634",
                        "CSAFPID-5152986",
                        "CSAFPID-5965713"
                    ]
                }
            ],
            "scores": [
                {
                    "cvss_v3": {
                        "version": "3.1",
                        "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:L/E:X/RL:O/RC:C",
                        "baseScore": 4.2,
                        "baseSeverity": "MEDIUM"
                    },
                    "products": [
                        "CSAFPID-1399151",
                        "CSAFPID-1399596",
                        "CSAFPID-1439317",
                        "CSAFPID-1439319",
                        "CSAFPID-1692240",
                        "CSAFPID-1692241",
                        "CSAFPID-2858634",
                        "CSAFPID-5152986",
                        "CSAFPID-5962956",
                        "CSAFPID-5962957",
                        "CSAFPID-5963524",
                        "CSAFPID-5965713"
                    ]
                }
            ],
            "title": "CVE-2026-5107"
        }
    ]
}