Vulnerability Information
Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.
Vulnerability Title
Permalink Preview Information Disclosure After Permission Revocation
Vulnerability Description
Mattermost versions 10.11.x <= 10.11.10 Fail to invalidate cached permalink preview data when a user loses channel access which allows the user to continue viewing private channel content via previously cached permalink previews until cache reset or relogin.. Mattermost Advisory ID: MMSA-2026-00580
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Vulnerability Type
在过期或释放后对资源进行操作
Vulnerability Title
Mattermost 安全漏洞
Vulnerability Description
Mattermost是美国Mattermost公司的一个开源协作平台。 Mattermost 10.11.10及之前的10.11.x版本存在安全漏洞，该漏洞源于未在用户失去频道访问权限时使缓存的固定链接预览数据失效，可能导致用户继续查看私有频道内容。
CVSS Information
N/A
Vulnerability Type
N/A