{ "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": "2026-10-08T19:09:10.459Z" }, "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 (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." } ] } ], "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" } }, "adp": [ { "references": [ { "url": "https://github.com/cisagov/Malcolm/security/advisories/GHSA-86h3-7rf8-8j34", "tags": [ "exploit" ] } ], "metrics": [ { "other": { "type": "ssvc", "content": { "timestamp": "2026-10-08T19:08:48.001107Z", "id": "CVE-2026-107361", "options": [ { "Exploitation": "poc" }, { "Automatable": "no" }, { "Technical Impact": "partial" } ], "role": "CISA Coordinator", "version": "2.0.3" } } } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-10-08T19:09:10.459Z" } } ] } }