Vulnerability · Published Jan 16, 2026 · Assigned by certcc
CVE-2026-0613CVE-2026-0613
High 7.5
In plain English
A high-severity security flaw in TheLibrarian.io from TheLibrarian. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 35% of all known vulnerabilities).
Severity (CVSS 3.1)7.5High
Exploit odds (30 days)0.4%top 65.1% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
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 (as reported)
| Vendor | Product | Versions |
|---|---|---|
| TheLibrarian | TheLibrarian.io | 0 – through 1.0 |