{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-61699",
        "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "state": "PUBLISHED",
        "assignerShortName": "GitHub_M",
        "dateReserved": "2026-07-10T18:36:58.851Z",
        "datePublished": "2026-09-04T19:43:28.633Z",
        "dateUpdated": "2026-09-08T12:59:24.096Z"
    },
    "containers": {
        "cna": {
            "title": "nebula-mesh: Certificate revocation is never enforced at the mesh",
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "cweId": "CWE-299",
                            "lang": "en",
                            "description": "CWE-299: Improper Check for Certificate Revocation",
                            "type": "CWE"
                        }
                    ]
                },
                {
                    "descriptions": [
                        {
                            "cweId": "CWE-672",
                            "lang": "en",
                            "description": "CWE-672: Operation on a Resource after Expiration or Release",
                            "type": "CWE"
                        }
                    ]
                }
            ],
            "metrics": [
                {
                    "cvssV3_1": {
                        "attackComplexity": "LOW",
                        "attackVector": "NETWORK",
                        "availabilityImpact": "NONE",
                        "baseScore": 8.1,
                        "baseSeverity": "HIGH",
                        "confidentialityImpact": "HIGH",
                        "integrityImpact": "HIGH",
                        "privilegesRequired": "LOW",
                        "scope": "UNCHANGED",
                        "userInteraction": "NONE",
                        "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N",
                        "version": "3.1"
                    }
                }
            ],
            "references": [
                {
                    "name": "https://github.com/forgekeep/nebula-mesh/security/advisories/GHSA-cm26-5974-52h8",
                    "tags": [
                        "x_refsource_CONFIRM"
                    ],
                    "url": "https://github.com/forgekeep/nebula-mesh/security/advisories/GHSA-cm26-5974-52h8"
                },
                {
                    "name": "https://github.com/forgekeep/nebula-mesh/commit/0426e2f224a9b1e2029029bf923c93ed39d21cdb",
                    "tags": [
                        "x_refsource_MISC"
                    ],
                    "url": "https://github.com/forgekeep/nebula-mesh/commit/0426e2f224a9b1e2029029bf923c93ed39d21cdb"
                },
                {
                    "name": "https://github.com/forgekeep/nebula-mesh/releases/tag/v0.7.1",
                    "tags": [
                        "x_refsource_MISC"
                    ],
                    "url": "https://github.com/forgekeep/nebula-mesh/releases/tag/v0.7.1"
                }
            ],
            "affected": [
                {
                    "vendor": "forgekeep",
                    "product": "nebula-mesh",
                    "versions": [
                        {
                            "version": "< 0.7.1",
                            "status": "affected"
                        }
                    ]
                }
            ],
            "providerMetadata": {
                "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
                "shortName": "GitHub_M",
                "dateUpdated": "2026-09-04T19:43:28.633Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "nebula-mesh is a self-hosted control plane for Slack Nebula mesh VPN. Prior to version 0.7.1, revocation is the only in-band mechanism that isolates a compromised/offboarded host from a Nebula mesh. Because the blocklist never reaches any peer's config.yml, a Blocked host retains full overlay reachability to every peer under its CA (and internal services on the mesh) for up to 30d (agent) / 365d (mobile). An attacker who exfiltrates host.key+host.crt can run stock slackhq/nebula directly, ignore the agent's 403/410 poll responses, and stay connected after the operator revokes the host. Operator-visible state (UI shows blocked, audit log records it) is misleading. This issue has been patched in version 0.7.1."
                }
            ],
            "source": {
                "advisory": "GHSA-cm26-5974-52h8",
                "discovery": "UNKNOWN"
            }
        },
        "adp": [
            {
                "references": [
                    {
                        "url": "https://github.com/forgekeep/nebula-mesh/security/advisories/GHSA-cm26-5974-52h8",
                        "tags": [
                            "exploit"
                        ]
                    }
                ],
                "metrics": [
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "timestamp": "2026-09-08T12:58:55.248635Z",
                                "id": "CVE-2026-61699",
                                "options": [
                                    {
                                        "Exploitation": "poc"
                                    },
                                    {
                                        "Automatable": "no"
                                    },
                                    {
                                        "Technical Impact": "total"
                                    }
                                ],
                                "role": "CISA Coordinator",
                                "version": "2.0.3"
                            }
                        }
                    }
                ],
                "title": "CISA ADP Vulnrichment",
                "providerMetadata": {
                    "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
                    "shortName": "CISA-ADP",
                    "dateUpdated": "2026-09-08T12:59:24.096Z"
                }
            }
        ]
    }
}