CVE-2026-21386

描述

Mattermost fails to use consistent error responses when handling the /mute command in github.com/mattermost/mattermost-server. NOTE: The source advisory for this report contains additional versions that could not be automatically mapped to standard Go module versions. (If this is causing false-positive reports from vulnerability scanners, please suggest an edit to the report.) The additional affected modules and versions are: github.com/mattermost/mattermost-server/v5 before v5.3.2-0.20260130144323-5bb5261c72fa.

如何修補 CVE-2026-21386

要修補 CVE-2026-21386,請將受影響套件升級到下列已修補版本。

• —升級至 5.3.2-0.20260130144323-5bb5261c72fa 或更新版本
• —升級至 10.11.11+incompatible 或更新版本
• —未列出修補版本
• —未列出修補版本
• —升級至 8.0.0-20260130144323-5bb5261c72fa 或更新版本
• —升級至 8.0.0-20260130144323-5bb5261c72fa 或更新版本

CVE-2026-21386 正在被利用嗎?

低 — EPSS 為 0.2%,目前沒有觀察到大規模利用活動。

受影響套件(6)

• from 0, < 5.3.2-0.20260130144323-5bb5261c72fa
• >= 10.11.0-rc1+incompatible, < 10.11.11+incompatible, >= 11.2.0-rc1+incompatible, < 11.2.3+incompatible, >= 11.3.0-rc1+incompatible, < 11.3.1+incompatible
• from 0
• from 0
• from 0, < 8.0.0-20260130144323-5bb5261c72fa
• from 0, < 8.0.0-20260130144323-5bb5261c72fa

CVSS 分數

參考連結(5)

• ADVISORYgithub.com/advisories/GHSA-5mr9-crcg-8wh2
• ADVISORYnvd.nist.gov/vuln/detail/CVE-2026-21386
• PATCHgithub.com/mattermost/mattermost
• WEBgithub.com/mattermost/mattermost/commit/5bb5261c72faa476558a694c23581d24b734da41
• WEB