NVD Vulnerability Detail
Search Exploit, PoC
CVE-2026-4286
Summary

Mattermost versions 11.5.x <= 11.5.1, 10.11.x <= 10.11.13 fail to check if {{team_id}} was being changed when updating playbooks, allowing users with only {{Manage Playbook Configurations}} permission to change a playbook's team, bypassing manage members restriction via PUT api. Mattermost Advisory ID: MMSA-2025-00552

Publication Date May 18, 2026, 6:16 p.m.
Registration Date May 19, 2026, 4:14 a.m.
Last Update May 19, 2026, 2:32 a.m.
CVSS3.1 : LOW
スコア 3.1
Vector CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N
攻撃元区分(AV) ネットワーク
攻撃条件の複雑さ(AC)
攻撃に必要な特権レベル(PR)
利用者の関与(UI) 不要
影響の想定範囲(S) 変更なし
機密性への影響(C) なし
完全性への影響(I)
可用性への影響(A) なし
Related information, measures and tools
Common Vulnerabilities List