{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-107361", "assignerOrgId": "7d14cffa-0d7d-4270-9dc0-52cabd5a23a6", "state": "PUBLISHED", "assignerShortName": "icscert", "dateReserved": "2026-10-07T20:08:34.511Z", "datePublished": "2026-10-08T17:27:03.689Z", "dateUpdated": "2026-10-08T17:27:03.689Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "7d14cffa-0d7d-4270-9dc0-52cabd5a23a6", "shortName": "icscert", "dateUpdated": "2026-10-08T17:27:03.689Z"}, "title": "Authentication Bypass Using an Alternate Path or Channel in Malcolm", "datePublic": "2026-10-07T19:02:00.000Z", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-288", "description": "CWE-288 Authentication bypass using an alternate path or channel", "type": "CWE"}]}], "affected": [{"vendor": "CISA", "product": "Malcolm", "versions": [{"status": "affected", "version": "0", "lessThanOrEqual": "26.07.1", "versionType": "custom"}, {"status": "unaffected", "version": "26.08.0"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "The Arkime live capture service (arkime-live) in Malcolm runs with network_mode: host, exposing port 8005 on all network interfaces (viewHost=0.0.0.0). Arkime trusts the X-Forwarded-User header from any IP address (userAuthIps=::,0.0.0.0/0) and auto-creates users with full access. The passwordSecret is hardcoded to the public value \"Malcolm\". A network-adjacent attacker bypasses nginx entirely by connecting directly to port 8005 with a forged identity header.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "The Arkime live capture service (<code>arkime-live</code>) in Malcolm runs with <code>network_mode: host</code>, exposing port 8005 on all network interfaces (<code>viewHost=0.0.0.0</code>). Arkime trusts the <code>X-Forwarded-User</code> header from any IP address (<code>userAuthIps=::,0.0.0.0/0</code>) and auto-creates users with full access. The <code>passwordSecret</code> is hardcoded to the public value <code>\"Malcolm\"</code>. A network-adjacent attacker bypasses nginx entirely by connecting directly to port 8005 with a forged identity header."}]}], "references": [{"url": "https://github.com/cisagov/Malcolm/security/advisories/GHSA-86h3-7rf8-8j34", "tags": ["government-resource"]}, {"url": "https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-280-01.json"}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV3_1": {"version": "3.1", "attackVector": "ADJACENT_NETWORK", "attackComplexity": "HIGH", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "availabilityImpact": "NONE", "baseSeverity": "MEDIUM", "baseScore": 4.2, "vectorString": "CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N"}}], "solutions": [{"lang": "en", "value": "Update to version v26.08.0", "supportingMedia": [{"type": "text/html", "base64": false, "value": "Update to version v26.08.0"}]}], "credits": [{"lang": "en", "value": "Seth Grover", "type": "finder"}], "source": {"advisory": "ICSA-26-280-01", "discovery": "INTERNAL"}, "x_generator": {"engine": "Vulnogram 1.0.5"}}}}

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