6 matches found
CVE-2026-9816 Insufficient server-side validation of board member role fields permits privilege escalation
Mattermost versions 11.7.x = 11.7.6, 10.11.x = 10.11.21, 11.8.x = 11.8.3 fail to validate BoardMember.Scheme fields server-side on insert and archive-import paths which allows a board editor or non-guest team member to grant board admin to arbitrary users via POST /api/v2/boards/boardID/members a...
CVE-2026-9816
Mattermost 11.7.x (≤11.7.6), 10.11.x (≤10.11.21), and 11.8.x (≤11.8.3) lack server-side validation of BoardMember.Scheme* fields on insert and archive-import paths, allowing board editors or non-guest team members to grant Board Admin to arbitrary users via POST /api/v2/boards/{boardID}/members a...
CVE-2026-52890
CVE-2026-52890 affects Wekan (open-source Kanban, Meteor-based) before version 9.31. A logged-in board member can insert an attachment via the DDP /attachments/insert method using attacker-controlled versions.original.path and versions.original.storage. The insert rule checks only board write acc...
SUSE CVE-2026-2461
Mattermost Plugins versions =11.3 11.0.3 11.2.2 10.10.11.0 fail to implement authorisation checks on comment block modifications, which allows an authorised attacker with editor permission to modify comments created by other board members. Mattermost Advisory ID: MMSA-2025-00559...
[Security Nation] Taki Uchiyama of Panasonic on Product Security and Incident Response
!\Security Nation\ Taki Uchiyama of Panasonic on Product Security and Incident Responsehttps://blog.rapid7.com/content/images/2022/09/securitynationlogo-1.jpg In this episode of Security Nation, Jen and Tod chat with Taki Uchiyama about his work on Panasonic’s Product Security Incident Response...