https://cve.radiocsirt.org/rss/recent/all/10 Most recent entries from all 2026-10-07T00:52:30.706694+00:00 Vulnerability-Lookup csirt@opendfir.org python-feedgen Contains only the most 10 recent entries. https://cve.radiocsirt.org/vuln/cve-2026-16049 CVE-2026-16049 — _GitLab Plugin allows cross-channel post injection and phishing via missing channel permission checks in issue API endp… 2026-10-07T00:52:30.722815+00:00

Affected: Mattermost

Mattermost Plugins versions <=11.8 10.20.11 11.5.7.0 _The Mattermost GitLab plugin fails to verify channel permissions when processing API requests with a caller-supplied_ {{post_id}}_, and fails to validate the_ {{web_url}} _parameter against the configured GitLab instance, which allows an authenticated attacker to inject bot-authored messages containing arbitrary URLs into channels they do not have access to via the_ {{createIssue}} _and_ {{attachCommentToIssue}} _API endpoints._ Mattermost Advisory ID: MMSA-2026-00673