{"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","slug":"CVE-2026-108731","body":"## Overview\n\nRaven 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.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":30,"depthScoreParts":{"impact":29.7,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}