{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-62948",
        "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "state": "PUBLISHED",
        "assignerShortName": "GitHub_M",
        "dateReserved": "2026-07-14T22:32:17.731Z",
        "datePublished": "2026-07-15T17:50:43.790Z",
        "dateUpdated": "2026-07-15T18:08:36.882Z"
    },
    "containers": {
        "cna": {
            "title": "OpenWrt odhcpd/LuCI: unauthenticated DHCPv6 client can inject lease-file lines via FQDN hostname → stored XSS in the LuCI admin UI",
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "cweId": "CWE-79",
                            "lang": "en",
                            "description": "CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')",
                            "type": "CWE"
                        }
                    ]
                },
                {
                    "descriptions": [
                        {
                            "cweId": "CWE-117",
                            "lang": "en",
                            "description": "CWE-117: Improper Output Neutralization for Logs",
                            "type": "CWE"
                        }
                    ]
                },
                {
                    "descriptions": [
                        {
                            "cweId": "CWE-150",
                            "lang": "en",
                            "description": "CWE-150: Improper Neutralization of Escape, Meta, or Control Sequences",
                            "type": "CWE"
                        }
                    ]
                }
            ],
            "metrics": [
                {
                    "cvssV3_1": {
                        "attackComplexity": "LOW",
                        "attackVector": "NETWORK",
                        "availabilityImpact": "HIGH",
                        "baseScore": 9.6,
                        "baseSeverity": "CRITICAL",
                        "confidentialityImpact": "HIGH",
                        "integrityImpact": "HIGH",
                        "privilegesRequired": "NONE",
                        "scope": "CHANGED",
                        "userInteraction": "REQUIRED",
                        "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H",
                        "version": "3.1"
                    }
                }
            ],
            "references": [
                {
                    "name": "https://github.com/openwrt/openwrt/security/advisories/GHSA-hhmc-92hw-535f",
                    "tags": [
                        "x_refsource_CONFIRM"
                    ],
                    "url": "https://github.com/openwrt/openwrt/security/advisories/GHSA-hhmc-92hw-535f"
                },
                {
                    "name": "https://github.com/openwrt/odhcpd/pull/404",
                    "tags": [
                        "x_refsource_MISC"
                    ],
                    "url": "https://github.com/openwrt/odhcpd/pull/404"
                },
                {
                    "name": "https://github.com/openwrt/luci/commit/55379d04fcc3c605003a5001d6135cf02ae6048a",
                    "tags": [
                        "x_refsource_MISC"
                    ],
                    "url": "https://github.com/openwrt/luci/commit/55379d04fcc3c605003a5001d6135cf02ae6048a"
                },
                {
                    "name": "https://github.com/openwrt/odhcpd/commit/68f382690bfaec56d5b1f31c3c31c48bcb642e3a",
                    "tags": [
                        "x_refsource_MISC"
                    ],
                    "url": "https://github.com/openwrt/odhcpd/commit/68f382690bfaec56d5b1f31c3c31c48bcb642e3a"
                },
                {
                    "name": "https://github.com/openwrt/openwrt/releases/tag/v25.12.5",
                    "tags": [
                        "x_refsource_MISC"
                    ],
                    "url": "https://github.com/openwrt/openwrt/releases/tag/v25.12.5"
                }
            ],
            "affected": [
                {
                    "vendor": "openwrt",
                    "product": "openwrt",
                    "versions": [
                        {
                            "version": "< 25.12.5",
                            "status": "affected"
                        }
                    ]
                }
            ],
            "providerMetadata": {
                "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
                "shortName": "GitHub_M",
                "dateUpdated": "2026-07-15T17:50:43.790Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "OpenWrt is a Linux operating system targeting embedded devices. Prior to 25.12.5, odhcpd writes a DHCPv6 client FQDN option 39 hostname into /tmp/odhcpd.leases through src/statefiles.c statefiles_write_state6() and statefiles_write_state4() without escaping, allowing newline injection of forged lease lines that LuCI rpcd-mod-luci getDHCPLeases displays through htdocs/luci-static/resources/view/status/include/40_dhcp.js and htdocs/luci-static/resources/luci.js dom.append as live HTML in the Active DHCPv6 Leases admin page. This vulnerability is fixed in 25.12.5."
                }
            ],
            "source": {
                "advisory": "GHSA-hhmc-92hw-535f",
                "discovery": "UNKNOWN"
            }
        },
        "adp": [
            {
                "references": [
                    {
                        "url": "https://github.com/openwrt/openwrt/security/advisories/GHSA-hhmc-92hw-535f",
                        "tags": [
                            "exploit"
                        ]
                    }
                ],
                "metrics": [
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "timestamp": "2026-07-15T18:08:14.354771Z",
                                "id": "CVE-2026-62948",
                                "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": "2026-07-15T18:08:36.882Z"
                }
            }
        ]
    }
}