{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-82880",
        "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
        "state": "PUBLISHED",
        "assignerShortName": "VulnCheck",
        "dateReserved": "2026-08-31T08:38:43.268Z",
        "datePublished": "2026-08-31T10:51:05.895Z",
        "dateUpdated": "2026-08-31T10:51:05.895Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
                "shortName": "VulnCheck",
                "dateUpdated": "2026-08-31T10:51:05.895Z"
            },
            "datePublic": "2026-08-22T00:00:00.000Z",
            "title": "YaCy Search Server through 1.941 XML External Entity Injection via Parsers",
            "descriptions": [
                {
                    "lang": "en",
                    "value": "YaCy Search Server through 1.941 contains an XML external entity injection vulnerability in SVG, FreeMind, and OpenSearch parsers that fail to disable external entity resolution. Attackers can publish malicious documents with DOCTYPE declarations containing SYSTEM entities pointing to local files, causing the crawler to exfiltrate file contents into the searchable index."
                }
            ],
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "lang": "en",
                            "description": "Improper Restriction of XML External Entity Reference",
                            "cweId": "CWE-611",
                            "type": "CWE"
                        }
                    ]
                }
            ],
            "affected": [
                {
                    "vendor": "yacy",
                    "product": "yacy_search_server",
                    "collectionURL": "https://github.com/yacy/yacy_search_server",
                    "packageURL": "pkg:github/yacy/yacy_search_server",
                    "repo": "https://github.com/yacy/yacy_search_server",
                    "defaultStatus": "unaffected",
                    "versions": [
                        {
                            "version": "0",
                            "lessThanOrEqual": "1.941",
                            "status": "affected",
                            "versionType": "custom"
                        },
                        {
                            "version": "3c3a307e8b7a0ebbc4d1e6b10898b52e15c0cd44",
                            "status": "unaffected",
                            "versionType": "git"
                        }
                    ]
                }
            ],
            "metrics": [
                {
                    "format": "CVSS",
                    "cvssV4_0": {
                        "version": "4.0",
                        "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N",
                        "attackVector": "NETWORK",
                        "attackComplexity": "LOW",
                        "attackRequirements": "NONE",
                        "privilegesRequired": "NONE",
                        "userInteraction": "NONE",
                        "vulnConfidentialityImpact": "HIGH",
                        "vulnIntegrityImpact": "NONE",
                        "vulnAvailabilityImpact": "NONE",
                        "subConfidentialityImpact": "NONE",
                        "subIntegrityImpact": "NONE",
                        "subAvailabilityImpact": "NONE",
                        "baseScore": 8.7,
                        "baseSeverity": "HIGH"
                    }
                },
                {
                    "format": "CVSS",
                    "cvssV3_1": {
                        "version": "3.1",
                        "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
                        "attackVector": "NETWORK",
                        "attackComplexity": "LOW",
                        "privilegesRequired": "NONE",
                        "userInteraction": "NONE",
                        "scope": "UNCHANGED",
                        "confidentialityImpact": "HIGH",
                        "integrityImpact": "NONE",
                        "availabilityImpact": "NONE",
                        "baseScore": 7.5,
                        "baseSeverity": "HIGH"
                    }
                }
            ],
            "references": [
                {
                    "url": "https://github.com/yacy/yacy_search_server/issues/818",
                    "tags": [
                        "issue-tracking"
                    ]
                },
                {
                    "url": "https://github.com/yacy/yacy_search_server/commit/3c3a307e8b7a0ebbc4d1e6b10898b52e15c0cd44",
                    "tags": [
                        "patch"
                    ]
                },
                {
                    "url": "https://github.com/yacy/yacy_search_server/blob/Release_1.941/source/net/yacy/document/parser/images/svgParser.java#L72",
                    "tags": [
                        "technical-description"
                    ]
                },
                {
                    "url": "https://github.com/yacy/yacy_search_server/blob/Release_1.941/source/net/yacy/document/parser/mmParser.java#L66",
                    "tags": [
                        "technical-description"
                    ]
                },
                {
                    "url": "https://github.com/yacy/yacy_search_server/blob/Release_1.941/source/net/yacy/document/parser/xml/opensearchdescriptionReader.java#L119",
                    "tags": [
                        "technical-description"
                    ]
                },
                {
                    "url": "https://github.com/yacy/yacy_search_server",
                    "tags": [
                        "product"
                    ]
                },
                {
                    "name": "VulnCheck Advisory: YaCy Search Server through 1.941 XML External Entity Injection via Parsers",
                    "tags": [
                        "third-party-advisory"
                    ],
                    "url": "https://www.vulncheck.com/advisories/yacy-search-server-through-1.941-xml-external-entity-injection-via-parsers"
                }
            ],
            "credits": [
                {
                    "lang": "en",
                    "value": "Yu Sun",
                    "type": "finder"
                }
            ],
            "x_generator": {
                "engine": "vulncheck-endgame"
            }
        }
    }
}