---
id: CVE-2026-108731
title: >-
  Raven 2.0.0 through 3.0.0 contains a missing authorization vulnerability that
  allows authenticated users to join invite-only Public workspaces by ignoring
  the can_only_join_via_invite setting
summary: >-
  Raven 2.0.0 through 3.0.0 contains a missing authorization vulnerability that
  allows authenticated users to join invite-only Public workspaces by ignoring
  the can_only_join_via_invite setting. Attackers with the Raven User role can
  call …
severity: medium
cvss: 5.4
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N'
cwe:
  - CWE-862
published: '2026-10-11'
updated: '2026-10-11'
sourceUpdated: '2026-10-11T13:17:17.207'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-108731'
references:
  - url: 'https://github.com/The-Commit-Company/raven'
    label: disclosure@vulncheck.com
  - url: >-
      https://github.com/The-Commit-Company/raven/blob/a732e10f9c8b2ab3446038396e3eea763da617e7/raven/api/workspaces.py#L58-L67
    label: disclosure@vulncheck.com
  - url: >-
      https://github.com/The-Commit-Company/raven/blob/a732e10f9c8b2ab3446038396e3eea763da617e7/raven/permissions.py#L74-L90
    label: disclosure@vulncheck.com
  - url: >-
      https://hackmd.io/@haind03/frappe-raven-invite-only-workspace-flag-unenforced-20261010
    label: disclosure@vulncheck.com
  - url: >-
      https://www.vulncheck.com/advisories/raven-2.0.0-through-3.0.0-missing-authorization-via-join-workspace-invite-only-bypass
    label: disclosure@vulncheck.com
tags:
  - nvd
ingestedAt: '2026-10-11T13:51:17.031Z'
---

## Overview

Raven 2.0.0 through 3.0.0 contains a missing authorization vulnerability that allows authenticated users to join invite-only Public workspaces by ignoring the can_only_join_via_invite setting. Attackers with the Raven User role can call the join_workspace method to become persistent members, reading and posting in Public and Open channels.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.