CVE-2026-120489: medium-severity vulnerability in Outline
Outline before 1.12.0 Incorrect Authorization via authorizeDocumentPublish() Detached Draft
Published
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13Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 5.3epss 0.2%
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.
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N
Affected products
Outline · OutlineRelated CVEs — Outline
In the same product, most dangerous first.
References
https://github.com/outline/outline/blob/v1.11.0/server/commands/documentCreator.ts#L135-L143https://github.com/outline/outline/commit/d249b34e8e5fd465d542cad87190d411fdcbd5dchttps://github.com/outline/outline/releases/tag/v1.12.0https://github.com/outline/outline/security/advisories/GHSA-h6ff-rw9x-5mq2https://www.vulncheck.com/advisories/outline-before-1.12.0-incorrect-authorization-via-authorizedocumentpublish-detached-draft