{"vulnerability": "cve-2026-53581", "sightings": [{"uuid": "adf2414c-895e-47f7-a56f-b5545cea6b01", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-53581", "type": "seen", "source": "https://bsky.app/profile/thehackerwire.bsky.social/post/3mv2a6w7bg32r", "content": "\ud83d\udd34 CVE-2026-53581 - Critical (9)\n\nOPNsense is a FreeBSD based firewall and routing platform. Prior to version 26.1.9 of opnsense/co...\n\nhttps://www.thehackerwire.com/vulnerability/CVE-2026-53581/\n\n#infosec #cybersecurity #CVE #vulnerability #security #patchstack", "creation_timestamp": "2026-09-09T00:00:26.316725Z"}, {"uuid": "2d7fe3db-9b94-4ecd-a3cc-67a4d13f0a69", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "cve-2026-53581", "type": "seen", "source": "https://infosec.exchange/users/offseq/statuses/117238139183513426", "content": "CVE-2026-53581 (CRITICAL, CVSS 9.0): OPNsense core <26.1.9 NTP module path traversal lets privileged users overwrite files as root. Upgrade to 26.1.9+ & backend 26.4_20+ now. https://radar.offseq.com/threat/cve-2026-53581-cwe-22-improper-limitation-of-a-pathname-to-a-restricted-directory-path-traversal-in-35f8611179753b8a #OffSeq #OPNsense #Vuln #PathTraversal", "creation_timestamp": "2026-09-09T00:00:37.078262Z"}, {"uuid": "2dfb171b-729a-4739-ae23-08bfb1bbc778", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "cve-2026-53581", "type": "seen", "source": "https://bsky.app/profile/offseq.bsky.social/post/3mv2a7ccljo2x", "content": "CRITICAL: Path traversal in OPNsense core <26.1.9 (CVE-2026-53581) lets high-priv users overwrite files as root. Patch to 26.1.9+ & backend 26.4_20+ now. https://radar.offseq.com/threat/cve-2026-53581-cwe-22-improper-limitation-of-a-pathname-to-a-restricted-directory-path-traversal-in-35f86111797...", "creation_timestamp": "2026-09-09T00:00:38.900301Z"}, {"uuid": "27275c54-ea23-48b6-8cbb-3342d0f35a19", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-53581", "type": "seen", "source": "https://bsky.app/profile/cve.skyfleet.blue/post/anl6agtbhib7w", "content": "CVE-2026-53581 - ntp: write path traversal\nCVE ID : CVE-2026-53581\n \n Published : Sept. 8, 2026, 11:17 p.m. | 15\u00a0minutes ago\n \n Description : OPNsense is a FreeBSD based firewall and routing platform. Prior to version 26.1.9 of opnsense/core and version 26.4_20 of BE/opnsense/...", "creation_timestamp": "2026-09-09T01:00:49.660560Z"}, {"uuid": "0d7632e1-84e0-4d38-93f5-b493133ae690", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-53581", "type": "seen", "source": "https://bsky.app/profile/termsofsurrender.bsky.social/post/3mv2du6uive2g", "content": "Critical Firewall Flaw Arrives First; Prague Bureaucracy Will Notice By Friday\nPANIC 86% | Lag 0.0h | CVE-2026-53581 is a critical vulnerability in OPNsense affecting versions before 26.1.9. Exploitatio\n#AfterShockIndex\nREAD MORE", "creation_timestamp": "2026-09-09T01:06:00.395300Z"}, {"uuid": "c7990c3b-4da5-4c4a-a3ec-a813370018ef", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-53581", "type": "seen", "source": "https://bsky.app/profile/vulnsea.com/post/3mv3sou3bwr26", "content": "\ud83c\udf0a ABYSSAL \u00b7 critical with a public exploit\nCVE-2026-53581: OPNsense is a FreeBSD based firewall and routing platform\nCVSS 9\nhttps://beta.vulnsea.com/cve/CVE-2026-53581\n\n#CVE #infosec #cybersecurity #threatintel", "creation_timestamp": "2026-09-09T15:04:07.134308Z"}, {"uuid": "2a06b596-6020-4d72-8d36-4c16ef324d83", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-53581", "type": "seen", "source": "https://bsky.app/profile/stackflag.bsky.social/post/3mv3vswqrqf2g", "content": "CVE-2026-53581 - core\nThe NTP configuration feature in OPNsense firewalls could be tricked into writing data to any location on the device, giving an attacker full control as the system administrator. This\u2026\n\nToo many irrelevant or confusing CVEs? Use stackflag.com\n\n#core #opnsense #CVE #infosec", "creation_timestamp": "2026-09-09T16:00:05.479749Z"}]}