{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-114713",
        "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "state": "PUBLISHED",
        "assignerShortName": "mitre",
        "dateReserved": "2026-10-22T00:56:41.381Z",
        "datePublished": "2026-11-08T02:31:48.387Z",
        "dateUpdated": "2026-11-08T02:31:48.387Z"
    },
    "containers": {
        "cna": {
            "affected": [
                {
                    "defaultStatus": "unaffected",
                    "modules": [
                        "labeled-response"
                    ],
                    "product": "UnrealIRCd",
                    "programFiles": [
                        "src/modules/labeled-response.c"
                    ],
                    "programRoutines": [
                        {
                            "name": "labeled_response_mtag_is_ok()"
                        }
                    ],
                    "repo": "https://github.com/unrealircd/unrealircd",
                    "vendor": "UnrealIRCd",
                    "versions": [
                        {
                            "lessThan": "6.2.7.1",
                            "status": "affected",
                            "version": "0",
                            "versionType": "custom"
                        }
                    ]
                }
            ],
            "descriptions": [
                {
                    "lang": "en",
                    "value": "The labeled-response module in UnrealIRCd 6.0.0 before 6.2.7.1 does not escape the IRCv3 \"label\" message tag when echoing it into replies, which allows any user on a network with two or more linked servers to inject server-to-server commands that are executed with server authority."
                }
            ],
            "metrics": [
                {
                    "cvssV3_1": {
                        "attackComplexity": "LOW",
                        "attackVector": "NETWORK",
                        "availabilityImpact": "NONE",
                        "baseScore": 8.6,
                        "baseSeverity": "HIGH",
                        "confidentialityImpact": "NONE",
                        "integrityImpact": "HIGH",
                        "privilegesRequired": "NONE",
                        "scope": "CHANGED",
                        "userInteraction": "NONE",
                        "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N",
                        "version": "3.1"
                    },
                    "format": "CVSS",
                    "scenarios": [
                        {
                            "lang": "en",
                            "value": "GENERAL"
                        }
                    ]
                }
            ],
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "cweId": "CWE-140",
                            "description": "CWE-140 Improper Neutralization of Delimiters",
                            "lang": "en",
                            "type": "CWE"
                        }
                    ]
                }
            ],
            "providerMetadata": {
                "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
                "shortName": "mitre",
                "dateUpdated": "2026-11-08T02:31:48.387Z"
            },
            "references": [
                {
                    "url": "https://www.unrealircd.org/"
                },
                {
                    "url": "https://www.unrealircd.org/index/news"
                },
                {
                    "url": "https://forums.unrealircd.org/viewtopic.php?t=9487"
                }
            ],
            "solutions": [
                {
                    "lang": "en",
                    "supportingMedia": [
                        {
                            "base64": false,
                            "type": "text/html",
                            "value": "Upgrade to UnrealIRCd 6.2.7.1 or later. Alternatively, apply the hot-patch to fix the issue without restart: ./unrealircd hot-patch bundle-20261107"
                        }
                    ],
                    "value": "Upgrade to UnrealIRCd 6.2.7.1 or later. Alternatively, apply the hot-patch to fix the issue without restart: ./unrealircd hot-patch bundle-20261107"
                }
            ],
            "workarounds": [
                {
                    "lang": "en",
                    "supportingMedia": [
                        {
                            "base64": false,
                            "type": "text/html",
                            "value": "Add the following line to the configuration file of all servers until the patch or upgrade is applied: blacklist-module \"labeled-response\";"
                        }
                    ],
                    "value": "Add the following line to the configuration file of all servers until the patch or upgrade is applied: blacklist-module \"labeled-response\";"
                }
            ],
            "x_generator": {
                "engine": "CVE-Request-form 0.0.1"
            },
            "cpeApplicability": [
                {
                    "nodes": [
                        {
                            "operator": "OR",
                            "negate": false,
                            "cpeMatch": [
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:a:unrealircd:unrealircd:*:*:*:*:*:*:*:*",
                                    "versionEndExcluding": "6.2.7.1"
                                }
                            ]
                        }
                    ]
                }
            ]
        }
    }
}