{"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":"2026-10-14T19:41:55.715Z"},"containers":{"cna":{"providerMetadata":{"orgId":"7d14cffa-0d7d-4270-9dc0-52cabd5a23a6","shortName":"icscert","dateUpdated":"2026-10-14T19:41:55.715Z"},"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"},{"url":"https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-280-01.json","tags":["government-resource"]}],"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":"reporter"},{"lang":"en","value":"Pavan Nallamothu","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"}}]}}