CVE-2025-4128
CVE.org · Published
- Record status
- Published
- Identifier year (not publication year)
- 2025
- Source publication
- Source updated
- Imported by cveboard
- Source snapshot
- cve_2026-10-24_midnight_baseline ·
CNA source text (English)
Mattermost Guest User Information Disclosure Vulnerability
Mattermost versions 10.5.x <= 10.5.4, 9.11.x <= 9.11.13 fail to properly restrict API access to team information, allowing guest users to bypass permissions and view information about public teams they are not members of via a direct API call to /api/v4/teams/{team_id}.
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) |
|---|---|---|---|---|---|
| 10.5.0 | affected | semver | Unavailable | 10.5.4 | None listed |
| 9.11.0 | affected | semver | Unavailable | 9.11.13 | None listed |
| 10.8.0 | unaffected | Unavailable | Unavailable | Unavailable | None listed |
| 10.5.5 | unaffected | Unavailable | Unavailable | Unavailable | None listed |
| 9.11.14 | unaffected | Unavailable | Unavailable | Unavailable | None listed |