PT-2026-90836 · Lfnovo · Open Notebook

·

CVE-2026-90769

·

Published

2026-09-13

·

Updated

2026-09-13

CVSS v3.1

7.7

High

VectorAV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
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.

Fix

SSRF

Found an issue in the description? Have something to add? Feel free to write us 👾

Weakness Enumeration

Related Identifiers

CVE-2026-90769

Affected Products

Open Notebook