{"id":"CVE-2026-108731","summary":"Raven 2.0.0 through 3.0.0 Missing Authorization via join_workspace Invite-Only Bypass","details":"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.","modified":"2026-10-13T02:46:26.144927973Z","published":"2026-10-11T12:19:38.912Z","database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/108xxx/CVE-2026-108731.json","cna_assigner":"VulnCheck","cwe_ids":["CWE-862"]},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/108xxx/CVE-2026-108731.json"},{"type":"ADVISORY","url":"https://hackmd.io/@haind03/frappe-raven-invite-only-workspace-flag-unenforced-20261010"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-108731"},{"type":"ADVISORY","url":"https://www.vulncheck.com/advisories/raven-2.0.0-through-3.0.0-missing-authorization-via-join-workspace-invite-only-bypass"},{"type":"PACKAGE","url":"https://github.com/The-Commit-Company/raven"},{"type":"ARTICLE","url":"https://github.com/The-Commit-Company/raven/blob/a732e10f9c8b2ab3446038396e3eea763da617e7/raven/api/workspaces.py#L58-L67"},{"type":"ARTICLE","url":"https://github.com/The-Commit-Company/raven/blob/a732e10f9c8b2ab3446038396e3eea763da617e7/raven/permissions.py#L74-L90"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/frappe/raven","events":[{"introduced":"5c3a2567167ca1c411c4245b80c3bb9b8fa30c30"},{"fixed":"a732e10f9c8b2ab3446038396e3eea763da617e7"}],"database_specific":{"extracted_events":[{"introduced":"2.0.0"},{"last_affected":"3.0.0"},{"fixed":"3.0.0"}],"source":["AFFECTED_FIELD","DESCRIPTION"]}}],"versions":["v2.8.11","v2.8.10","v2.8.9","v2.8.8","v2.8.6","v2.8.4","v2.8.3","v2.8.1","v2.8.0","v2.7.1","v2.7.0","v2.6.5","v2.6.4","v2.6.3","v2.6.2","v2.6.1","v2.6.0","v2.5.0","v2.4.0","v2.3.0","v2.2.5","v2.2.4","v2.2.3","v2.2.2","v2.2.1","v2.2.0","v2.1.12","v2.1.11","v2.1.10","v2.1.9","v2.1.8","v2.1.7","v2.1.6","v2.1.5","v2.1.4","v2.1.3","v2.1.2","v2.1.1","v2.1.0","v2.0.5","v2.0.4","v2.0.3","v2.0.1","v2.0.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-108731.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N"}]}