Mattermost MS Teams plugin doesn't limit the request body size on the /changes webhook endpoint
Go github.com/mattermost/mattermost-plugin-msteams · Upgrade to 1.15.1-0.20260213190728-6fe4d295592e (pre-release) or later · < 1.15.1-0.20260213190728-6fe4d295592e · CVE-2026-24661 · GHSA-5rfv-h47g-xj42