CVE-2026-82880: Yacy Search Server

High severity, CVSS 7.5. EPSS: 0.6% chance of exploitation in the next 30 days.

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.

Affected products

• Yacy Yacy Search Server: up to and including 1.941

Published 2026-08-31. Last modified 2026-08-31.