CVE-2026-59509: Cve-Search

Critical severity, CVSS 9.2. EPSS: 1.4% chance of exploitation in the next 30 days.

An unauthenticated improper input validation vulnerability in the POST /fetch_cve_data endpoint in cve-search. A remote attacker can manipulate request parameters controlling the MongoDB collection, projected fields, and regular-expression filters to read arbitrary application MongoDB collections. This can expose administrative usernames and password hashes from the mgmt_users collection, enabling offline password cracking and potential administrative account compromise.

Affected products

• Cve-Search Cve-Search: from v4.0, up to and including v6.0.0

Published 2026-07-05. Last modified 2026-07-06.