CVE-2026-120489
Outline before 1.12.0 Incorrect Authorization via authorizeDocumentPublish() Detached Draft
CVSS Score
4.3
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-863 |
| Vendor | outline |
| Product | outline |
| Published | Nov 2, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
Low
Availability
None
Affected Versions
Outline / Outline
0 < 1.12.0
References
github.com: https://github.com/outline/outline/security/advisories/GHSA-h6ff-rw9x-5mq2 github.com: https://github.com/outline/outline/commit/d249b34e8e5fd465d542cad87190d411fdcbd5dc github.com: https://github.com/outline/outline/releases/tag/v1.12.0 github.com: https://github.com/outline/outline/blob/v1.11.0/server/commands/documentCreator.ts#L135-L143 vulncheck.com: https://www.vulncheck.com/advisories/outline-before-1.12.0-incorrect-authorization-via-authorizedocumentpublish-detached-draft
Credits
VG