https://vulnerability.circl.lu/rss/recent/all/10 Most recent entries from all 2026-10-01T05:19:30.527902+00:00 Vulnerability-Lookup info@circl.lu python-feedgen Contains only the most 10 recent entries. https://vulnerability.circl.lu/vuln/cve-2026-3636 CVE-2026-3636 — Sanitize team member data returned by API 2026-10-01T05:19:31.059885+00:00

Affected: Mattermost

Mattermost versions 11.6.x <= 11.6.0, 11.5.x <= 11.5.3, 11.4.x <= 11.4.4, 10.11.x <= 10.11.14 fail to sanitize team member data when returned via API to users without elevated permissions which allows a user without permissions to get data about team members roles via invoking various team API endpoints.. Mattermost Advisory ID: MMSA-2026-00626