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CVE-2026-120489 Details

Description

Outline before 1.12.0 contains an incorrect authorization vulnerability in authorizeDocumentPublish() that allows authenticated members to publish documents into private collections without write access. Attackers can detach a child document via documents.unpublish, retaining parentDocumentId, then call documents.update with a private collection UUID to inject phishing content.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: [email protected]CVSS-B:4.3 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://github.com/outline/outline/blob/v1.11.0/server/commands/documentCreator.ts#L135-L143	[email protected]
https://github.com/outline/outline/commit/d249b34e8e5fd465d542cad87190d411fdcbd5dc	[email protected]
https://github.com/outline/outline/releases/tag/v1.12.0	[email protected]
https://github.com/outline/outline/security/advisories/GHSA-h6ff-rw9x-5mq2	[email protected]
https://www.vulncheck.com/advisories/outline-before-1.12.0-incorrect-authorization-via-authorizedocumentpublish-detached-draft	[email protected]

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-863	Incorrect Authorization	[email protected]

Affected Products

No affected product data is available for this CVE.

Change History

2 change records found show changes

Date	Action	Recorded By
Nov 2, 2026	CVE Modified	CISA-ADP
Nov 2, 2026	New CVE Received	[email protected]