https://vulnerability.circl.lu Contains only the most 10 recent sightings. http://www.rssboard.org/rss-specification python-feedgen en Tue, 20 Oct 2026 12:09:21 +0000 https://vulnerability.circl.lu/sighting/dbe6e119-5fd3-4629-b694-f731d8b9abca/export {"uuid": "dbe6e119-5fd3-4629-b694-f731d8b9abca", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-18256", "type": "seen", "source": "https://infosec.exchange/users/cve/statuses/117449565405965834", "content": "CVE-2026-18256 Private team metadata disclosure via the team search API Mattermost versions 11.10.x <= 11.10.0, 11.7.x <= 11.7.9, 11.9.x <= 11.9.1, 11.8.x <= 11.8.5 fail to properly restrict private teams from public team search results, which allows an authenticated user without permission to list private teams to disclose the ID, name, and display name of private teams via a modified team search request. Mattermost Advisory ID: MMSA-2026-00748\nhttps://www.cve.org/CVERecord?id=CVE-2026-18256https://mattermost.com/security-updates#mattermost #Mattermost#CVE_2026_18256#bot", "creation_timestamp": "2026-10-16T08:09:05.487126Z"} {"uuid": "dbe6e119-5fd3-4629-b694-f731d8b9abca", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-18256", "type": "seen", "source": "https://infosec.exchange/users/cve/statuses/117449565405965834", "content": "CVE-2026-18256 Private team metadata disclosure via the team search API Mattermost versions 11.10.x <= 11.10.0, 11.7.x <= 11.7.9, 11.9.x <= 11.9.1, 11.8.x <= 11.8.5 fail to properly restrict private teams from public team search results, which allows an authenticated user without permission to list private teams to disclose the ID, name, and display name of private teams via a modified team search request. Mattermost Advisory ID: MMSA-2026-00748\nhttps://www.cve.org/CVERecord?id=CVE-2026-18256https://mattermost.com/security-updates#mattermost #Mattermost#CVE_2026_18256#bot", "creation_timestamp": "2026-10-16T08:09:05.487126Z"} https://vulnerability.circl.lu/sighting/dbe6e119-5fd3-4629-b694-f731d8b9abca/export Fri, 16 Oct 2026 08:09:05 +0000