{"uuid": "2b0c703a-6dd4-4408-850a-608a475b9b6f", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-4858", "type": "seen", "source": "https://bsky.app/profile/thehackerwire.bsky.social/post/3mmeep2dusz2k", "content": "\ud83d\udfe0 CVE-2026-4858 - High (8)\n\nMattermost versions 11.6.x &lt;= 11.6.0, 11.5.x &lt;= 11.5.3, 11.4.x &lt;= 11.4.4, 10.11.x &lt;= ...\n\nhttps://www.thehackerwire.com/vulnerability/CVE-2026-4858/\n\n#infosec #cybersecurity #CVE #vulnerability #security #patchstack", "creation_timestamp": "2026-05-21T12:00:55.584789Z"}