Server-side request forgery in TheLibrarian.io
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-918 and the CVSS impact.
Summary
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.
Why it matters now
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-2026-0613
- 2026-10-03 Alias added: GHSA-76r3-qjqp-qqg4
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-2026-00413 The Librarian contains a information leakage vulnerability through the `web_fetch` tool… 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-2026-0613 · CVE Program
- CVE-2026-0613 · NVD
- FIRST EPSS
- GHSA-76r3-qjqp-qqg4 · 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