https://cve.radiocsirt.org/rss/recent/all/10 Most recent entries from all 2026-10-15T13:04:12.003312+00:00 Vulnerability-Lookup csirt@opendfir.org python-feedgen Contains only the most 10 recent entries. https://cve.radiocsirt.org/vuln/cve-2026-3637 CVE-2026-3637 — Mattermost fails to enforce create_post permission when editing posts 2026-10-15T13:04:12.031291+00:00

Affected: Mattermost

Mattermost versions 11.5.x <= 11.5.1, 10.11.x <= 10.11.13, 11.4.x <= 11.4.3 fail to check the create_post channel permission during post edit operations which allows an authenticated attacker with revoked posting privileges to modify their existing posts via direct API requests to the post update and patch endpoints.. Mattermost Advisory ID: MMSA-2026-00627