{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-26201",
        "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "state": "PUBLISHED",
        "assignerShortName": "GitHub_M",
        "dateReserved": "2026-02-11T19:56:24.813Z",
        "datePublished": "2026-02-19T19:21:05.691Z",
        "dateUpdated": "2026-02-19T21:22:50.955Z"
    },
    "containers": {
        "cna": {
            "title": "emp3r0r Affected by Concurrent Map Access DoS (panic/crash)",
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "cweId": "CWE-362",
                            "lang": "en",
                            "description": "CWE-362: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')",
                            "type": "CWE"
                        }
                    ]
                },
                {
                    "descriptions": [
                        {
                            "cweId": "CWE-663",
                            "lang": "en",
                            "description": "CWE-663: Use of a Non-reentrant Function in a Concurrent Context",
                            "type": "CWE"
                        }
                    ]
                }
            ],
            "metrics": [
                {
                    "cvssV4_0": {
                        "attackVector": "NETWORK",
                        "attackComplexity": "HIGH",
                        "attackRequirements": "PRESENT",
                        "privilegesRequired": "LOW",
                        "userInteraction": "NONE",
                        "vulnConfidentialityImpact": "NONE",
                        "vulnIntegrityImpact": "NONE",
                        "vulnAvailabilityImpact": "HIGH",
                        "subConfidentialityImpact": "NONE",
                        "subIntegrityImpact": "NONE",
                        "subAvailabilityImpact": "HIGH",
                        "baseScore": 7,
                        "baseSeverity": "HIGH",
                        "vectorString": "CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H",
                        "version": "4.0"
                    }
                }
            ],
            "references": [
                {
                    "name": "https://github.com/jm33-m0/emp3r0r/security/advisories/GHSA-f5p9-j34q-pwcc",
                    "tags": [
                        "x_refsource_CONFIRM"
                    ],
                    "url": "https://github.com/jm33-m0/emp3r0r/security/advisories/GHSA-f5p9-j34q-pwcc"
                },
                {
                    "name": "https://github.com/jm33-m0/emp3r0r/commit/ea4d074f081dac6293f3aec38f01def5f08d5af5",
                    "tags": [
                        "x_refsource_MISC"
                    ],
                    "url": "https://github.com/jm33-m0/emp3r0r/commit/ea4d074f081dac6293f3aec38f01def5f08d5af5"
                },
                {
                    "name": "https://github.com/jm33-m0/emp3r0r/releases/tag/v3.21.2",
                    "tags": [
                        "x_refsource_MISC"
                    ],
                    "url": "https://github.com/jm33-m0/emp3r0r/releases/tag/v3.21.2"
                }
            ],
            "affected": [
                {
                    "vendor": "jm33-m0",
                    "product": "emp3r0r",
                    "versions": [
                        {
                            "version": "< 3.21.2",
                            "status": "affected"
                        }
                    ]
                }
            ],
            "providerMetadata": {
                "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
                "shortName": "GitHub_M",
                "dateUpdated": "2026-02-19T19:21:05.691Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "emp3r0r is a C2 designed by Linux users for Linux environments. Prior to version 3.21.2, multiple shared maps are accessed without consistent synchronization across goroutines. Under concurrent activity, Go runtime can trigger `fatal error: concurrent map read and map write`, causing C2 process crash (availability loss). Version 3.21.2 fixes this issue."
                }
            ],
            "source": {
                "advisory": "GHSA-f5p9-j34q-pwcc",
                "discovery": "UNKNOWN"
            }
        },
        "adp": [
            {
                "metrics": [
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "timestamp": "2026-02-19T21:15:33.676053Z",
                                "id": "CVE-2026-26201",
                                "options": [
                                    {
                                        "Exploitation": "none"
                                    },
                                    {
                                        "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": "2026-02-19T21:22:50.955Z"
                }
            }
        ]
    }
}