https://cve.radiocsirt.org/rss/recent/all/10 Most recent entries from all 2026-10-06T23:44:45.016337+00:00 Vulnerability-Lookup csirt@opendfir.org python-feedgen Contains only the most 10 recent entries. https://cve.radiocsirt.org/vuln/cve-2026-4646 CVE-2026-4646 — Insufficient input validation in GitHub plugin API causes denial of service 2026-10-06T23:44:45.017801+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 validate user-supplied input in API request handlers which allows an authenticated attacker to crash the plugin process via a crafted HTTP request to the PR details endpoint.. Mattermost Advisory ID: MMSA-2026-00638