The Librarian contains a information leakage vulnerability through the `web_fetch` tool…
Priority LOW 39Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA.
Summary
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.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00372 31st percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| TheLibrarian | TheLibrarian.io | up to 1.0 | — | No fix listed | CNA |
- TheLibrarian.io VendorTheLibrarian Affected up to 1.0 Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:thelibrarian:the_librarian:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | TheLibrarian |
- cpe:2.3:a:thelibrarian:the_librarian:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·TheLibrarian
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2026-0612
- 2026-10-03 Alias added: GHSA-vhwm-c99c-xhcp
References
More TheLibrarian The Librarian vulnerabilities
- TI-2026-00416 TheLibrarians web_fetch tool can be used to retrieve the Adminer interface content, which… CVSS 3.1HIGH 7.5
- TI-2026-00414 Server-side request forgery in TheLibrarian.io CVSS 3.1HIGH 7.5
- TI-2026-00415 The Librarian `supervisord` status page can be retrieved by the `web_fetch` tool, which… CVSS 3.1HIGH 7.3
Sources
- CVE-2026-0612 · CVE Program
- CVE-2026-0612 · NVD
- FIRST EPSS
- GHSA-vhwm-c99c-xhcp · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences