High severity7.7NVD Advisory· Published Sep 13, 2026
CVE-2026-90769
CVE-2026-90769
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
2(expand)+ 1 more
- (no CPE)
- (no CPE)range: <1.11.0
Patches
Vulnerability mechanics
References
4- github.com/lfnovo/open-notebook/blob/8889087e317177d7b6e286342ab34e0c9c01d43e/api/routers/sources.pynvd
- github.com/lfnovo/open-notebook/commit/9045ea50196927eac7de647bb5b7009349236fb4nvd
- github.com/lfnovo/open-notebook/issues/1284nvd
- www.vulncheck.com/advisories/open-notebook-before-1.11.0-server-side-request-forgery-via-link-sourcenvd
News mentions
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