CVE-2026-120489

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.

Overview

State: PUBLISHED
Assigner (CNA): VulnCheck
CVSS severity: MEDIUM
CVSS score: 5.3 / 10
CVSS vector: 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
Effective score: 5.3 / 10 MEDIUM source: CNA overview
CWE(s): CWE-863
Reserved: 2026-11-02
Published: 2026-11-02 14:29 UTC
Last updated: 2026-11-02 17:30 UTC
Source: https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/120xxx/CVE-2026-120489.json

European Union Vulnerability Database ENISA EUVD

ENISA's official EU repository for curated vulnerability intelligence. Carries a separate identifier (EUVD-YYYY-NNNN) and frequently exposes an earlier-published description + CVSS than NVD does.

EUVD ID: EUVD-2026-115224

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Affected products (1)

Vendor	Product	Versions	Platforms
Outline	Outline	`0` (affected)	—

Vendor references (5)

References embedded in the original CVE record by the assigning CNA.

GitHub Security Advisory (GHSA-h6ff-rw9x-5mq2) vendor-advisory
https://github.com/outline/outline/commit/d249b34e8e5fd465d542cad87190d411fdcbd5dc patch
Outline v1.12.0 Release Notes release-notes
https://github.com/outline/outline/blob/v1.11.0/server/commands/documentCreator.ts#L135-L143 technical-description
VulnCheck Advisory: Outline before 1.12.0 Incorrect Authorization via authorizeDocumentPublish() Detached Draft third-party-advisory

Web references (0)

DuckDuckGo results ranked by threat-intel / vendor advisory domains. Generated by the 🔎 Find references (web) button above — same flow as the Remediations search.

No web references attached yet.

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Raw JSON

The full cvelistV5 record. Download as CVE-2026-120489.json.

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