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CVE-2026-27659

🗓️ 26 Mar 2026 17:00:56Reported by redhat.comType 
redhatcve
 redhatcve
🔗 access.redhat.com👁 4 Views

Mattermost CSRF flaw in activation endpoint allows changing policy active status via crafted request.

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25 Mar 202616:33
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25 Mar 202618:08
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Mattermost 安全漏洞
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CVE-2026-27659 CSRF vulnerability in UpdateAccessControlPolicyActiveStatus endpoint
25 Mar 202616:33
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25 Mar 202618:31
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Mattermost doesn't properly validate CSRF tokens
25 Mar 202618:31
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25 Mar 202617:16
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OSV
GHSA-RMHW-C3XR-M3XX Mattermost doesn't properly validate CSRF tokens
25 Mar 202618:31
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Positive Technologies
PT-2026-27990
25 Mar 202600:00
ptsecurity
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26 Mar 2026 17:00Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.14.6
EPSS0.00123
SSVC
4