High severity7.5NVD Advisory· Published Aug 31, 2026
CVE-2026-82880
CVE-2026-82880
Description
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
1- Range: <=1.941
Patches
Vulnerability mechanics
References
6- github.com/yacy/yacy_search_server/blob/Release_1.941/source/net/yacy/document/parser/images/svgParser.javanvd
- github.com/yacy/yacy_search_server/blob/Release_1.941/source/net/yacy/document/parser/mmParser.javanvd
- github.com/yacy/yacy_search_server/blob/Release_1.941/source/net/yacy/document/parser/xml/opensearchdescriptionReader.javanvd
- github.com/yacy/yacy_search_server/commit/3c3a307e8b7a0ebbc4d1e6b10898b52e15c0cd44nvd
- github.com/yacy/yacy_search_server/issues/818nvd
- www.vulncheck.com/advisories/yacy-search-server-through-1.941-xml-external-entity-injection-via-parsersnvd
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