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.
Published: 2026-08-31
Score: 8.7 High
EPSS: n/a
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Mon, 31 Aug 2026 11:00:00 +0000

Type Values Removed Values Added
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.
Title YaCy Search Server through 1.941 XML External Entity Injection via Parsers
Weaknesses CWE-611
References
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N'}

cvssV4_0

{'score': 8.7, 'vector': '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'}

Subscriptions

No data.

cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-08-31T10:51:05.895Z

Reserved: 2026-08-31T08:38:43.268Z

Link: CVE-2026-82880

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-08-31T11:16:41.793

Modified: 2026-08-31T11:16:41.793

Link: CVE-2026-82880

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-08-31T12:30:05Z

Weaknesses
  • CWE-611

    Improper Restriction of XML External Entity Reference