CVE-2026-120489

    Dashboard / Vulnerabilities / CVE-2026-120489

    CVE-2026-120489

    Published: 2 Nov 2026Last Modified: 4 Nov 2026

    Summary: Outline before 1.12.0 Incorrect Authorization via authorizeDocumentPublish() Detached Draft

    Details: 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.

    References: https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/120xxx/CVE-2026-120489.json, https://github.com/outline/outline/releases/tag/v1.12.0, https://github.com/outline/outline/security/advisories/GHSA-h6ff-rw9x-5mq2, https://nvd.nist.gov/vuln/detail/CVE-2026-120489, https://www.vulncheck.com/advisories/outline-before-1.12.0-incorrect-authorization-via-authorizedocumentpublish-detached-draft, https://github.com/outline/outline/commit/d249b34e8e5fd465d542cad87190d411fdcbd5dc, https://github.com/outline/outline, https://github.com/outline/outline/blob/v1.11.0/server/commands/documentCreator.ts#L135-L143

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -09f11188b87b0220fa318dfa6fdd0fa9772195dd

    Affected versions

    v1.11.0

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High
    CVE-2026-120489 | CVE-DB