What is CVE-2026-0612?

CVE-2026-0612 is a high-severity vulnerability in Thelibrarian The_librarian, classified under CWE-497: EXPOSURE OF SENSITIVE SYSTEM INFORMATION TO AN UNAUTHORIZED CONTROL SPHERE. CVSS score: 7.5/10. Published 2026-01-16.

How severe is CVE-2026-0612?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in Thelibrarian The_librarian

CVE-2026-0612

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 infrastruc…

EPSS: 0.003 (26.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

Affected products

Thelibrarian The_librarian
Thelibrarian Thelibrarian.io — versions 0

References

cret@cert.org (Third Party Advisory)
cret@cert.org (Product)

Frequently asked questions

What is CVE-2026-0612?: CVE-2026-0612 is a high-severity vulnerability in Thelibrarian The_librarian, classified under CWE-497: EXPOSURE OF SENSITIVE SYSTEM INFORMATION TO AN UNAUTHORIZED CONTROL SPHERE. CVSS score: 7.5/10. Published 2026-01-16.
How severe is CVE-2026-0612?: High severity. CVSS v3 base score is 7.5 out of 10.