{"vulnerability": "cve-2026-49819", "sightings": [{"uuid": "4766f035-e088-4b0e-b41e-eb869690919f", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "cve-2026-49819", "type": "seen", "source": "https://infosec.exchange/users/offseq/statuses/117085256775668473", "content": "CVE-2026-49819: UpSnap (4.4.1 \u2013 5.3.5) has a CRITICAL flaw (CVSS 9.8) \u2014 unauthenticated attackers can register a superuser & achieve root RCE via POST /api/upsnap/init-superuser. Upgrade to 5.4.0 ASAP. https://radar.offseq.com/threat/cve-2026-49819-cwe-78-improper-neutralization-of-special-elements-used-in-an-os-command-os-command-f2cf5294c0d169b6 #OffSeq #Vuln #Infosec #RCE", "creation_timestamp": "2026-08-13T00:00:36.805886Z"}, {"uuid": "e58b8714-4bf2-4317-be3d-08c88724ea67", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "cve-2026-49819", "type": "seen", "source": "https://bsky.app/profile/offseq.bsky.social/post/3mswdmgfufh2f", "content": "UpSnap CRITICAL vuln (CVE-2026-49819): v4.4.1 \u2013 5.3.5 allow unauthenticated superuser creation & root RCE. Upgrade to 5.4.0 now to secure systems. https://radar.offseq.com/threat/cve-2026-49819-cwe-78-improper-neutralization-of-special-elements-used-in-an-os-command-os-command-f2cf5294c0d169b6 #O...", "creation_timestamp": "2026-08-13T00:00:38.572871Z"}, {"uuid": "6372d3e9-a8a4-4a7d-8042-9cfb0ca0cc52", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-49819", "type": "seen", "source": "https://bsky.app/profile/stackflag.bsky.social/post/3mswfb33ox22f", "content": "CVE-2026-49819 - upsnap\nThe UpSnap web app allows an attacker on the same network to create a superuser account without a password. This superuser account can then be used to gain full control of the\u2026\n\nToo many irrelevant or confusing CVEs? Use stackflag.com\n\n#upsnap #seriousm4x #CVE #infosec", "creation_timestamp": "2026-08-13T00:30:04.564733Z"}, {"uuid": "8b2015d8-32d1-4f29-a8cf-2e9f016a9d62", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-49819", "type": "seen", "source": "https://bsky.app/profile/thehackerwire.bsky.social/post/3mswnpy2rxy27", "content": "\ud83d\udd34 CVE-2026-49819 - Critical (9.8)\n\nUpSnap is a wake on lan web app. Versions 4.4.1 through 5.3.5 are vulnerable to a missing-authent...\n\nhttps://www.thehackerwire.com/vulnerability/CVE-2026-49819/\n\n#infosec #cybersecurity #CVE #vulnerability #security #patchstack", "creation_timestamp": "2026-08-13T03:01:35.905610Z"}, {"uuid": "a3c1a690-e524-4dd7-b523-53fa771300f3", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "86ecb4e1-bb32-44d5-9f39-8a4673af8385", "vulnerability": "CVE-2026-49819", "type": "seen", "source": "https://www.incibe.es/incibe-cert/alerta-temprana/vulnerabilidades/cve-2026-49819", "content": "", "creation_timestamp": "2026-08-13T04:15:19.573205Z"}]}