{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-47080",
        "assignerOrgId": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db",
        "state": "PUBLISHED",
        "assignerShortName": "EEF",
        "dateReserved": "2026-05-18T17:28:10.319Z",
        "datePublished": "2026-08-21T09:49:34.772Z",
        "dateUpdated": "2026-08-21T12:32:15.846Z"
    },
    "containers": {
        "cna": {
            "affected": [
                {
                    "collectionURL": "https://repo.hex.pm",
                    "cpes": [
                        "cpe:2.3:a:joshnuss:xml_builder:*:*:*:*:*:*:*:*"
                    ],
                    "defaultStatus": "unaffected",
                    "modules": [
                        "'Elixir.XmlBuilder'"
                    ],
                    "packageName": "xml_builder",
                    "packageURL": "pkg:hex/xml_builder",
                    "product": "xml_builder",
                    "programFiles": [
                        "lib/xml_builder.ex"
                    ],
                    "programRoutines": [
                        {
                            "name": "'Elixir.XmlBuilder':generate/1"
                        },
                        {
                            "name": "'Elixir.XmlBuilder':generate/2"
                        },
                        {
                            "name": "'Elixir.XmlBuilder':escape/1"
                        }
                    ],
                    "repo": "https://github.com/joshnuss/xml_builder",
                    "vendor": "joshnuss",
                    "versions": [
                        {
                            "lessThan": "2.4.1",
                            "status": "affected",
                            "version": "0.0.7",
                            "versionType": "semver"
                        }
                    ]
                },
                {
                    "collectionURL": "https://github.com",
                    "cpes": [
                        "cpe:2.3:a:joshnuss:xml_builder:*:*:*:*:*:*:*:*"
                    ],
                    "defaultStatus": "unaffected",
                    "modules": [
                        "'Elixir.XmlBuilder'"
                    ],
                    "packageName": "joshnuss/xml_builder",
                    "packageURL": "pkg:github/joshnuss/xml_builder",
                    "product": "xml_builder",
                    "programFiles": [
                        "lib/xml_builder.ex"
                    ],
                    "programRoutines": [
                        {
                            "name": "'Elixir.XmlBuilder':generate/1"
                        },
                        {
                            "name": "'Elixir.XmlBuilder':generate/2"
                        },
                        {
                            "name": "'Elixir.XmlBuilder':escape/1"
                        }
                    ],
                    "repo": "https://github.com/joshnuss/xml_builder",
                    "vendor": "joshnuss",
                    "versions": [
                        {
                            "lessThan": "bfb1ada071ccc1e384c30f782197ca5154106706",
                            "status": "affected",
                            "version": "26766f884ed19adee1563522c7afb5f056a6f3b5",
                            "versionType": "git"
                        }
                    ]
                }
            ],
            "cpeApplicability": [
                {
                    "nodes": [
                        {
                            "cpeMatch": [
                                {
                                    "criteria": "cpe:2.3:a:joshnuss:xml_builder:*:*:*:*:*:*:*:*",
                                    "versionEndExcluding": "2.4.1",
                                    "versionStartIncluding": "0.0.7",
                                    "vulnerable": true
                                }
                            ],
                            "negate": false,
                            "operator": "OR"
                        }
                    ],
                    "operator": "AND"
                }
            ],
            "credits": [
                {
                    "lang": "en",
                    "type": "finder",
                    "value": "Peter Ullrich"
                },
                {
                    "lang": "en",
                    "type": "remediation developer",
                    "value": "Joshua Nussbaum"
                },
                {
                    "lang": "en",
                    "type": "coordinator",
                    "value": "Jonatan Männchen / EEF"
                }
            ],
            "descriptions": [
                {
                    "lang": "en",
                    "supportingMedia": [
                        {
                            "base64": false,
                            "type": "text/html",
                            "value": "<p>XML Injection vulnerability in joshnuss xml_builder (<code>XmlBuilder</code> module) allows Content Spoofing, XML Injection.</p>\n<p>This vulnerability is associated with program files <code>lib/xml_builder.ex</code> and program routines <code>XmlBuilder.generate/1</code>, <code>XmlBuilder.generate/2</code>, <code>XmlBuilder.escape/1</code>.</p>\n<p>The <code>escape/1</code> clause for <code>{:cdata, data}</code> in <code>lib/xml_builder.ex</code> concatenates data verbatim between the CDATA opener <code>&lt;![CDATA[</code> and closer <code>]]&gt;</code> without rewriting or splitting on the embedded <code>]]&gt;</code> sequence. Because CDATA sections have no internal escape mechanism, the only safe way to embed arbitrary bytes is to split on <code>]]&gt;</code> and emit adjacent CDATA sections. An attacker who can supply input containing <code>]]&gt;</code> closes the CDATA section early; any bytes that follow are parsed as ordinary XML markup by downstream consumers, allowing injection of arbitrary elements, text, or entity references into the output document.</p>\n<p>This issue affects xml_builder: from 0.0.7 before 2.4.1.</p>"
                        },
                        {
                            "base64": false,
                            "type": "text/markdown",
                            "value": "XML Injection vulnerability in joshnuss xml_builder (`XmlBuilder` module) allows Content Spoofing, XML Injection.\n\nThis vulnerability is associated with program files `lib/xml_builder.ex` and program routines `XmlBuilder.generate/1`, `XmlBuilder.generate/2`, `XmlBuilder.escape/1`.\n\nThe `escape/1` clause for `{:cdata, data}` in `lib/xml_builder.ex` concatenates data verbatim between the CDATA opener `<![CDATA[` and closer `]]>` without rewriting or splitting on the embedded `]]>` sequence. Because CDATA sections have no internal escape mechanism, the only safe way to embed arbitrary bytes is to split on `]]>` and emit adjacent CDATA sections. An attacker who can supply input containing `]]>` closes the CDATA section early; any bytes that follow are parsed as ordinary XML markup by downstream consumers, allowing injection of arbitrary elements, text, or entity references into the output document.\n\nThis issue affects xml_builder: from 0.0.7 before 2.4.1."
                        }
                    ],
                    "value": "XML Injection vulnerability in joshnuss xml_builder (XmlBuilder module) allows Content Spoofing, XML Injection.\n\nThis vulnerability is associated with program files lib/xml_builder.ex and program routines XmlBuilder.generate/1, XmlBuilder.generate/2, XmlBuilder.escape/1.\n\nThe escape/1 clause for {:cdata, data} in lib/xml_builder.ex concatenates data verbatim between the CDATA opener <![CDATA[ and closer ]]> without rewriting or splitting on the embedded ]]> sequence. Because CDATA sections have no internal escape mechanism, the only safe way to embed arbitrary bytes is to split on ]]> and emit adjacent CDATA sections. An attacker who can supply input containing ]]> closes the CDATA section early; any bytes that follow are parsed as ordinary XML markup by downstream consumers, allowing injection of arbitrary elements, text, or entity references into the output document.\n\nThis issue affects xml_builder: from 0.0.7 before 2.4.1."
                }
            ],
            "impacts": [
                {
                    "capecId": "CAPEC-250",
                    "descriptions": [
                        {
                            "lang": "en",
                            "value": "CAPEC-250 XML Injection"
                        }
                    ]
                }
            ],
            "metrics": [
                {
                    "cvssV4_0": {
                        "Automatable": "NOT_DEFINED",
                        "Recovery": "NOT_DEFINED",
                        "Safety": "NOT_DEFINED",
                        "attackComplexity": "LOW",
                        "attackRequirements": "PRESENT",
                        "attackVector": "LOCAL",
                        "baseScore": 2.1,
                        "baseSeverity": "LOW",
                        "privilegesRequired": "NONE",
                        "providerUrgency": "NOT_DEFINED",
                        "subAvailabilityImpact": "NONE",
                        "subConfidentialityImpact": "NONE",
                        "subIntegrityImpact": "LOW",
                        "userInteraction": "NONE",
                        "valueDensity": "NOT_DEFINED",
                        "vectorString": "CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:N/SC:N/SI:L/SA:N",
                        "version": "4.0",
                        "vulnAvailabilityImpact": "NONE",
                        "vulnConfidentialityImpact": "NONE",
                        "vulnIntegrityImpact": "NONE",
                        "vulnerabilityResponseEffort": "NOT_DEFINED"
                    },
                    "format": "CVSS",
                    "scenarios": [
                        {
                            "lang": "en",
                            "value": "GENERAL"
                        }
                    ]
                }
            ],
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "cweId": "CWE-91",
                            "description": "CWE-91 XML Injection (aka Blind XPath Injection)",
                            "lang": "en",
                            "type": "CWE"
                        }
                    ]
                }
            ],
            "providerMetadata": {
                "orgId": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db",
                "shortName": "EEF",
                "dateUpdated": "2026-08-21T09:49:34.772Z"
            },
            "references": [
                {
                    "tags": [
                        "vendor-advisory",
                        "related"
                    ],
                    "url": "https://github.com/joshnuss/xml_builder/security/advisories/GHSA-67r9-hmxw-h595"
                },
                {
                    "tags": [
                        "related"
                    ],
                    "url": "https://cna.erlef.org/cves/CVE-2026-47080.html"
                },
                {
                    "tags": [
                        "related"
                    ],
                    "url": "https://osv.dev/vulnerability/EEF-CVE-2026-47080"
                },
                {
                    "tags": [
                        "patch"
                    ],
                    "url": "https://github.com/joshnuss/xml_builder/commit/bfb1ada071ccc1e384c30f782197ca5154106706"
                }
            ],
            "source": {
                "discovery": "EXTERNAL"
            },
            "title": "CDATA Section Breakout via Unsanitised ]]> in xml_builder"
        },
        "adp": [
            {
                "references": [
                    {
                        "url": "https://vincent.vulcoord.net/score/?state=Not+Scored&year=2026&year=2025&assigned_to=88bc49d9-8ddd-4227-affc-a613e67abc4d&ordering=-published&cve=CVE-2026-47080",
                        "tags": [
                            "exploit"
                        ]
                    }
                ],
                "metrics": [
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "timestamp": "2026-08-21T12:30:05.428465Z",
                                "id": "CVE-2026-47080",
                                "options": [
                                    {
                                        "Exploitation": "poc"
                                    },
                                    {
                                        "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": "2026-08-21T12:32:15.846Z"
                }
            }
        ]
    }
}