CVE-2026-90769Open Notebook before 1.11.0 Server-Side Request Forgery via link-source
Updated under an hour ago ()
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It affects lfnovo open-notebook. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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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
- 7.7 HIGH (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
- Weakness (CWE)
- CWE-918
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- VulnCheck
- NVD analysis
- Deferred
- Record last updated
- Sep 24, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
lfnovo open-notebook lfnovo:open_notebook (from the name) | before 1.11.0 | CNA record |
References
- https://github.com/lfnovo/open-notebook/issues/1284issue-tracking
- https://github.com/lfnovo/open-notebookproduct
- https://github.com/lfnovo/open-notebook/blob/8889087e317177d7b6e286342ab34e0c9c01d43e/api/routers/sources.pytechnical-description
- https://github.com/lfnovo/open-notebook/commit/9045ea50196927eac7de647bb5b7009349236fb4patch
- https://www.vulncheck.com/advisories/open-notebook-before-1.11.0-server-side-request-forgery-via-link-sourcethird-party-advisory
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.