{"vulnerability": "CVE-2026-4646", "sightings": [{"uuid": "894f35e6-0d40-4b6f-a99c-f1ee37c3c0fd", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-4646", "type": "seen", "source": "https://bsky.app/profile/cve.skyfleet.blue/post/3mmgyrlntzy2n", "content": "CVE-2026-4646 - Insufficient input validation in GitHub plugin API causes denial of service\nCVE ID : CVE-2026-4646\n \n Published : May 22, 2026, 10:25 a.m. | 1\u00a0hour, 54\u00a0minutes ago\n \n Description : Mattermost versions 11.6.x <= 11.6.0, 11.5.x <= 11.5.3, 11.4.x <= 11.4....", "creation_timestamp": "2026-05-22T13:05:33.654242Z"}]}