HIGHCVSS 7.7Vulnerability

CVE-2026-90769

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.

Properties

severity
HIGH
cvss_severity
HIGH
cvss_score
7.7
retrieved_at
2026-09-25T21:30:45+00:00
score
7.7
last_source
NVD
cve_id
CVE-2026-90769
cvss_vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
signal_observed_at
2026-09-25T21:30:45+00:00
vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
published_at
2026-09-13T11:17:01.270
last_modified
2026-09-24T20:43:32.537

Related Entities (2)

HAS_WEAKNESS (1)

→[Weakness]Server-Side Request Forgery (SSRF)

DESCRIBED_BY (1)

→[Source]NVD

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CVE-2026-90769 (CVSS 7.7) — Ninja Signal Threat Intelligence | Ninja Signal