CVEvulnerability
CVE-2026-90769
8.3 HIGH
Official page ↗
- Status
- Deferred
- Published
- 2026-09-13
- Last modified
- 2026-09-24
- Assigner
- [email protected]
- CVSS 4.0 ([email protected])
- 8.3 HIGH — 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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
- CVSS 3.1 ([email protected])
- 7.7 HIGH — CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
- Weaknesses
- CWE-918
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.
Related
Weakness · CWE (1)
- CWE-918 Server-Side Request Forgery weakness
References
- https://github.com/lfnovo/open-notebook github.com
- https://github.com/lfnovo/open-notebook/blob/8889087e317177d7b6e286342ab34e0c9c01d43e/api/routers/sources.py github.com
- https://github.com/lfnovo/open-notebook/commit/9045ea50196927eac7de647bb5b7009349236fb4 github.com
- https://github.com/lfnovo/open-notebook/issues/1284 github.com
- https://www.vulncheck.com/advisories/open-notebook-before-1.11.0-server-side-request-forgery-via-link-source www.vulncheck.com
- https://github.com/lfnovo/open-notebook/issues/1284 github.com