CVE-2026-20719
MEDIUM4.3EPSS 0.07%Mattermost: Authenticated DoS through failure to prevent rendering of external SVGs on link embeds
發布日:2026/3/25修改日:2026/3/30
描述
Mattermost versions 11.4.x <= 11.4.0, 11.3.x <= 11.3.1, 11.2.x <= 11.2.3, 10.11.x <= 10.11.11 fail to prevent rendering of external SVGs on link embeds which allows unauthenticated users to crash the Mattermost webapp and desktop app via creating an issue or PR on GitHub. Mattermost Advisory ID: MMSA-2026-00595
受影響套件(1)
- Go/github.com/mattermost/mattermost/server/v8>= 11.4.0-rc1, < 11.4.1
CVSS 分數
| 來源 | 版本 | 嚴重程度 | 向量 |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM4.3 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L |