{"uuid": "b25d054d-212c-4401-b79f-e5aef0e38dda", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-31431", "type": "seen", "source": "https://bsky.app/profile/hn-frontpage-bot.bsky.social/post/3ml3x4xy32p2v", "content": "A vulnerability (CVE-2026-31431) allowed privilege escalation within a rootless container by corrupting the page cache of /usr/bin/su. However, User Namespace UID mapping prevented the escalation from affecting the host system, demonstrating the effectiveness of rootless container architecture.", "creation_timestamp": "2026-05-05T10:11:39.587750Z"}