CVE-2026-82880

{"id": "CVE-2026-82880", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-82880", "role": "CISA Coordinator", "options": [{"exploitation": "poc"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-08-31T14:17:40.760485Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "disclosure@vulncheck.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 3.6, "exploitabilityScore": 3.9}], "cvssMetricV40": [{"type": "Secondary", "source": "disclosure@vulncheck.com", "cvssData": {"Safety": "NOT_DEFINED", "version": "4.0", "Recovery": "NOT_DEFINED", "baseScore": 8.7, "Automatable": "NOT_DEFINED", "attackVector": "NETWORK", "baseSeverity": "HIGH", "valueDensity": "NOT_DEFINED", "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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "exploitMaturity": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "userInteraction": "NONE", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "subIntegrityImpact": "NONE", "vulnIntegrityImpact": "NONE", "integrityRequirement": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "vulnAvailabilityImpact": "NONE", "availabilityRequirement": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "subConfidentialityImpact": "NONE", "vulnConfidentialityImpact": "HIGH", "confidentialityRequirement": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED"}}]}, "affected": [{"source": "disclosure@vulncheck.com", "affectedData": [{"repo": "https://github.com/yacy/yacy_search_server", "vendor": "yacy", "product": "yacy_search_server", "versions": [{"status": "affected", "version": "0", "versionType": "custom", "lessThanOrEqual": "1.941"}, {"status": "unaffected", "version": "3c3a307e8b7a0ebbc4d1e6b10898b52e15c0cd44", "versionType": "git"}], "packageURL": "pkg:github/yacy/yacy_search_server", "collectionURL": "https://github.com/yacy/yacy_search_server", "defaultStatus": "unaffected"}]}], "published": "2026-08-31T11:16:41.793", "references": [{"url": "https://github.com/yacy/yacy_search_server", "source": "disclosure@vulncheck.com"}, {"url": "https://github.com/yacy/yacy_search_server/blob/Release_1.941/source/net/yacy/document/parser/images/svgParser.java#L72", "source": "disclosure@vulncheck.com"}, {"url": "https://github.com/yacy/yacy_search_server/blob/Release_1.941/source/net/yacy/document/parser/mmParser.java#L66", "source": "disclosure@vulncheck.com"}, {"url": "https://github.com/yacy/yacy_search_server/blob/Release_1.941/source/net/yacy/document/parser/xml/opensearchdescriptionReader.java#L119", "source": "disclosure@vulncheck.com"}, {"url": "https://github.com/yacy/yacy_search_server/commit/3c3a307e8b7a0ebbc4d1e6b10898b52e15c0cd44", "source": "disclosure@vulncheck.com"}, {"url": "https://github.com/yacy/yacy_search_server/issues/818", "source": "disclosure@vulncheck.com"}, {"url": "https://www.vulncheck.com/advisories/yacy-search-server-through-1.941-xml-external-entity-injection-via-parsers", "source": "disclosure@vulncheck.com"}, {"url": "https://github.com/yacy/yacy_search_server/issues/818", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"}], "vulnStatus": "Deferred", "weaknesses": [{"type": "Secondary", "source": "disclosure@vulncheck.com", "description": [{"lang": "en", "value": "CWE-611"}]}], "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."}], "lastModified": "2026-08-31T20:56:08.800", "sourceIdentifier": "disclosure@vulncheck.com"}