Vulnerability · Published Jan 16, 2026 · Assigned by certcc
CVE-2026-0612CVE-2026-0612
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 31% of all known vulnerabilities).
Severity (CVSS 3.1)7.5High
Exploit odds (30 days)0.4%top 68.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
The Librarian contains a information leakage vulnerability through the `web_fetch` tool, which can be used to retrieve arbitrary external content provided by an attacker, which can be used to proxy requests through The Librarian infrastructure. The vendor has fixed the vulnerability in all versions of TheLibrarian.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| TheLibrarian | TheLibrarian.io | 0 – through 1.0 |