En resumen
- CVE-2026-3115 es una vulnerabilidad MEDIO (CVSS 4.3) que afecta a github.com/mattermost/mattermost-server, github.com/mattermost/mattermost-server/v5, github.com/mattermost/mattermost-server/v6.
- Probabilidad de explotación en los próximos 30 días (EPSS): 0.24%, mayor que el 15.2% de las vulnerabilidades.
- Solución: actualizar a 10.11.11+incompatible, 11.2.3+incompatible, 11.3.2+incompatible, 11.4.1+incompatible o posterior.
Description
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.
NVD description
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
Más vulnerabilidades de github.com/mattermost/mattermost-server
Ver todo →Running one of these products? Scan your site to see whether it exposes a vulnerable version.
Scan my site free