CVE-2026-6689
CVE.org · Published
- Record status
- Published
- Identifier year (not publication year)
- 2026
- Source publication
- Source updated
- Imported by cveboard
- Source snapshot
- cve_2026-10-24_midnight_baseline ·
CNA source text (English)
*Missing* {{invite_user}} *permission check on team creation allows unprivileged users to set open-invite and allowed-domains team settings*
Mattermost versions 11.6.x <= 11.6.1, 11.5.x <= 11.5.4, 10.11.x <= 10.11.15, 10.11.x <= 10.11.16 Fail to enforce PermissionInviteUser when setting AllowOpenInvite or AllowedDomains during team creation (the check was only applied on update/patch), which allows an authenticated user holding PermissionCreateTeam but not PermissionInviteUser on the resulting team to configure invite-controlled team settings (make the team publicly joinable via open invite and/or constrain membership via allowed domains) that they are not permitted to set on an existing team via POST /api/v4/teams with allow_open_invite: true and/or a non-empty allowed_domains in the request body.. Mattermost Advisory ID: MMSA-2026-00655
Scoped product and version facts
Fix information unknown; no fixed version is derived here. Missing information does not prove that no fix exists.
Exploitation unknown; this catalogue does not assess exploitation.
Mattermost
- Vendor
- Mattermost
- Product
- Mattermost
- Platforms
- Unknown
- Default status
unaffected
| Version (version) | Status (status) | Version scheme (versionType) | Exclusive end (lessThan) | Inclusive end (lessThanOrEqual) | Status changes (at → status) |
|---|---|---|---|---|---|
| 11.6.0 | affected | semver | Unavailable | 11.6.1 | None listed |
| 11.5.0 | affected | semver | Unavailable | 11.5.4 | None listed |
| 10.11.0 | affected | semver | Unavailable | 10.11.15 | None listed |
| 10.11.0 | affected | semver | Unavailable | 10.11.16 | None listed |
| 11.7.0 | unaffected | Unavailable | Unavailable | Unavailable | None listed |
| 11.6.2 | unaffected | Unavailable | Unavailable | Unavailable | None listed |
| 11.5.5 | unaffected | Unavailable | Unavailable | Unavailable | None listed |
| 10.11.16 | unaffected | Unavailable | Unavailable | Unavailable | None listed |
| 10.11.17 | unaffected | Unavailable | Unavailable | Unavailable | None listed |