NVD Vulnerability Detail
Search Exploit, PoC
CVE-2026-27769
Summary

Mattermost versions 10.11.x <= 10.11.12 fail to validate whether users were correctly owned by the correct Connected Workspace which allows a malicious remote server connected using the Conntexted Workspaces feature to change the displayed status of local users via the Connected Workspaces API.. Mattermost Advisory ID: MMSA-2026-00603

Publication Date April 15, 2026, 8:16 p.m.
Registration Date April 17, 2026, 4:11 a.m.
Last Update April 18, 2026, 12:09 a.m.
CVSS3.1 : LOW
スコア 2.7
Vector CVSS:3.1/AV:N/AC:L/PR:H/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