Threats Tagged 'cve-2026-16049'
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Threats Tagged 'cve-2026-16049'
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Mattermost Plugins versions <=11.8 10.20.11 11.5.7.0 _The Mattermost GitLab plugin fails to verify channel permissions when processing API requests… (CVE-2026-16049)CVE-2026-16049 0 The Mattermost GitLab plugin in certain versions fails to verify channel permissions and validate URLs when processing API requests. This flaw allows an authenticated attacker to inject bot-authored messages with arbitrary URLs into channels they do not have access to. The vulnerability affects API endpoints related to issue creation and comment attachment. It has a CVSS score of 4.3, indicating medium severity. Join the discussion | GCVE Database | 08/17/2026, 15:30:40 UTC Added: 08/17/2026, 16:13:54 UTC |
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