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CVE-2025-11777

🗓️ 14 Nov 2025 18:02:15Reported by redhat.comType 
redhatcve
 redhatcve
🔗 access.redhat.com👁 27 Views

CVE 2025-11777: Mattermost 10.11.x–10.11.3 and 10.5.x–10.5.11 fail to validate team membership in Add Channel Member API, enabling cross‑team access.

Related
Refs
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2025-11777
13 Nov 202517:54
–circl
cnnvd
CNNVD
Mattermost security vulnerabilities
13 Nov 202500:00
–cnnvd
cve
CVE
CVE-2025-11777
13 Nov 202517:32
–cve
cvelist
Cvelist
CVE-2025-11777 Cross-team channel membership access
13 Nov 202517:32
–cvelist
euvd
EUVD
EUVD-2025-175343
13 Nov 202518:31
–euvd
github
Github Security Blog
Mattermost Incorrect Authorization vulnerability
13 Nov 202518:31
–github
nessus
Tenable Nessus
Mattermost Server 10.5.x < 10.5.12 / 10.11.x 10.11.4 / 11.0.0 Missing Authorization (MMSA-2025-00518)
20 Nov 202500:00
–nessus
mend
Mend
CVE-2025-11777
13 Nov 202517:32
–mend
nvd
NVD
CVE-2025-11777
13 Nov 202518:15
–nvd
osv_ghsa
osv_ghsa
GHSA-MQCJ-8C2G-H97Q Mattermost Incorrect Authorization vulnerability
13 Nov 202518:31
–osv_ghsa
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