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CVE-2026-90769NVD
Description
Open Notebook before 1.11.0 fails to validate the URL parameter in POST /api/sources endpoint, allowing authenticated users to perform server-side requests to internal services. Attackers can supply arbitrary URLs to read cloud metadata, internal network services, and localhost-bound services through the application server's direct HTTP requests.
CVSS Base Metrics
CVSS v3 (3.1)
HIGH 7.7
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
CVSS v4 (4.0)
HIGH 8.3
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N
Weaknesses (CWE)
CWE-918 - Server-Side Request Forgery (SSRF)
Affected & Patched Versions
| Product | Affected Versions | Patched Version |
|---|---|---|
| lfnovo open-notebook | 0 - < 1.11.0 | N/A |
References
- https://github.com/lfnovo/open-notebook/issues/1284
- https://github.com/lfnovo/open-notebook
- https://github.com/lfnovo/open-notebook/blob/8889087e317177d7b6e286342ab34e0c9c01d43e/api/routers/sources.py
- https://github.com/lfnovo/open-notebook/commit/9045ea50196927eac7de647bb5b7009349236fb4
- https://www.vulncheck.com/advisories/open-notebook-before-1.11.0-server-side-request-forgery-via-link-source