Yacy vulnerabilities

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Published CVEs affecting Yacy products: 2 record(s), with severity, exploitation and fixes.

Yacy Search Server 2

Exploited only (KEV) →

CVE-2026-82880 High · 7.5 CWE-611 Aug 31, 2026

YaCy Search Server through 1.941 XML External Entity Injection via Parsers

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.

CVE-2026-24824 Medium · 6.9 CWE-79 Jan 27, 2026

A XSS in yacy/yacy_search_server

Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in yacy yacy_search_server (source/net/yacy/http/servlets modules). This vulnerability is associated with program files YaCyDefaultServlet.Java. This issue affects yacy_search_server.