Mattermost Server: initial_load API exposes unnecessary information

Description

References

• nvd.nist.gov/vuln/detail/CVE-2016-11066 · ADVISORY
• mattermost/mattermost commit f89e7c6 · WEB
• mattermost/mattermost · PACKAGE
• mattermost.com/security-updates · WEB
• mattermost.com/security-updates · Vendor Advisory
• GitHub Advisory GHSA-r93j-3mmp-px57 · ADVISORY

Autres vulnérabilités de github.com/mattermost/mattermost-server

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• CVE-2026-9162MOYENNE 4.3Mattermost versions 11.7.x <= 11.7.0, 11.6.x <= 11.6.2, 11.5.x <= 11.5.5, 10.11.x <= 10.11.17 fail to invalidate cached authentication state…
• CVE-2026-8074FAIBLE 3.8Mattermost versions 11.7.x <= 11.7.0, 10.11.x <= 10.11.17 fail to enforce bot-specific permission checks on the user active status endpoint,…
• CVE-2026-6673MOYENNE 6.4Mattermost versions 11.7.x <= 11.7.0, 11.6.x <= 11.6.2, 11.5.x <= 11.5.5, 10.11.x <= 10.11.17 fail to authenticate Atlassian Connect install…
• CVE-2026-6062MOYENNE 6.4Mattermost versions 11.7.x <= 11.7.0, 11.6.x <= 11.6.2, 11.5.x <= 11.5.5, 10.11.x <= 10.11.17 Fail to validate channel ownership of an exist…