CVE-2026-3115
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)
Guest users can view group member IDs without respecting view restrictions
Mattermost versions 11.2.x <= 11.2.2, 10.11.x <= 10.11.10, 11.4.x <= 11.4.0, 11.3.x <= 11.3.1 fail to apply view restrictions when retrieving group member IDs, which allows authenticated guest users to enumerate user IDs outside their allowed visibility scope via the group retrieval endpoint.. Mattermost Advisory ID: MMSA-2026-00594
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) |
|---|---|---|---|---|---|
| 11.2.0 | affected | semver | Unavailable | 11.2.2 | None listed |
| 10.11.0 | affected | semver | Unavailable | 10.11.10 | None listed |
| 11.4.0 | affected | semver | Unavailable | 11.4.0 | None listed |
| 11.3.0 | affected | semver | Unavailable | 11.3.1 | None listed |
| 11.5.0 | unaffected | Unavailable | Unavailable | Unavailable | None listed |
| 11.2.3 | unaffected | Unavailable | Unavailable | Unavailable | None listed |
| 10.11.11 | unaffected | Unavailable | Unavailable | Unavailable | None listed |
| 11.4.1 | unaffected | Unavailable | Unavailable | Unavailable | None listed |
| 11.3.2 | unaffected | Unavailable | Unavailable | Unavailable | None listed |