https://vulnerability.circl.lu/rss/recent/all/10 Most recent entries from all 2026-10-01T04:02:50.443589+00:00 Vulnerability-Lookup info@circl.lu python-feedgen Contains only the most 10 recent entries. https://vulnerability.circl.lu/vuln/cve-2025-55073 CVE-2025-55073 — MS Teams plugin OAuth allows editing arbitrary posts 2026-10-01T04:02:50.444943+00:00

Affected: Mattermost

Mattermost versions 10.11.x <= 10.11.3, 10.5.x <= 10.5.11, 10.12.x <= 10.12.0 fail to validate the relationship between the post being updated and the MSTeams plugin OAuth flow which allows an attacker to edit arbitrary posts via a crafted MSTeams plugin OAuth redirect URL.