CVE-2026-108731
Raven 2.0.0 through 3.0.0 Missing Authorization via join_workspace Invite-Only Bypass
The-Commit-Company raven
CVSS
5.3MediumExploitationNo known exploitationNot in CISA KEV, which does not prove it is unexploitedCISA KEV
Exploit odds (EPSS)0.22%Chance of exploitation activity in the next 30 days, higher than 12% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed inNone listedNo source names a fixed version. Check the vendor advisory below
What fixes it
No source in this snapshot names a fixed version. The vendor advisories under References are the place to check.
Description
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.
Text from CVE List
Affected versions 1
- ravenaffected: 2.0.0 through 3.0.0CVE List
References 5
- hackmd.io/@haind03/frappe-raven-invite-only-workspace-flag-unenforced-20261010Advisoryvia CVE List
- vulncheck.com/advisories/raven-2.0.0-through-3.0.0-missing-authorization-via-join-workspace-invite-only-bypassAdvisoryvia CVE List
- github.com/The-Commit-Company/raven/blob/a732e10f9c8b2ab3446038396e3eea763da617e7/raven/permissions.py#L74-L90Referencevia CVE List
- github.com/The-Commit-Company/raven/blob/a732e10f9c8b2ab3446038396e3eea763da617e7/raven/api/workspaces.py#L58-L67Referencevia CVE List
- github.com/The-Commit-Company/ravenReferencevia CVE List