CVE-2026-0613: Thelibrarian The Librarian

High severity, CVSS 7.5. EPSS: 0.4% chance of exploitation in the next 30 days.

The Librarian contains an internal port scanning vulnerability, facilitated by the `web_fetch` tool, which can be used with SSRF-style behavior to perform GET requests to internal IP addresses and services, enabling scanning of the Hertzner cloud environment that TheLibrarian uses. The vendor has fixed the vulnerability in all affected versions.

Affected products

Published 2026-01-16. Last modified 2026-06-17.