CVE-2026-82880

YaCy Search Server through 1.941 XML External Entity Injection via Parsers

HIGH
7.5
CVSS Score
Published: August 31, 2026 at 10:51 AM UTC
Updated: August 31, 2026 at 09:06 PM UTC
1 product affected across 1 vendorYaCy Search Server

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Severity
HIGH7.5
Exploit prediction
EPSS 0.6%
SSVC
PoC

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v ≤ 1.941
Vendor states this is fixed in 3c3a307e8b7a0ebbc4d1e6b10898b52e15c0cd44 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

SSVC — Action Prioritization

SSVCPoCAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.5HIGHVulnCheck
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-611

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