Description
Mattermost versions 10.11.x <= 10.11.12, 11.5.x <= 11.5.0, 11.4.x <= 11.4.2, 11.3.x <= 11.3.2 fail to enforce atomic single-use consumption of guest magic link tokens, which allows an attacker with access to a valid magic link to establish multiple independent authenticated sessions via concurrent requests.. Mattermost Advisory ID: MMSA-2026-00624
Details
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Affected Packages
| Software | From version | Fixed in |
|---|---|---|
| github.com/mattermost/mattermost-server | โ | โ |
| github.com/mattermost/mattermost/server/v8 | โ | โ |
| mattermost-server | 11.5.0 | 11.5.1 |
References
Similar Threats
- Unknown CVE-2016-11063
- High CVE-2016-11066
- Unknown CVE-2016-11067
- Unknown CVE-2016-11068
- High CVE-2016-11069
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