{"id":"CVE-2026-107361","state":"PUBLISHED","title":"Authentication Bypass Using an Alternate Path or Channel in Malcolm","description":"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.","publishedAt":"2026-10-08T17:27:03.689Z","updatedAt":"2026-10-14T19:41:55.715Z","severity":{"score":4.2,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N","source":"icscert"},"assigner":"icscert","products":["CISA Malcolm"],"affected":[{"vendor":"CISA","product":"Malcolm","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThanOrEqual":"26.07.1","versionType":"custom"},{"version":"26.08.0","status":"unaffected"}]}],"references":["https://github.com/cisagov/Malcolm/security/advisories/GHSA-86h3-7rf8-8j34","https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-280-01.json"],"weaknesses":["CWE-288"],"ingestedAt":"2026-10-29T20:10:23.711Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/107xxx/CVE-2026-107361.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-107361","state":"PUBLISHED","datePublished":"2026-10-08T17:27:03.689Z","dateUpdated":"2026-10-14T19:41:55.715Z","assignerShortName":"icscert","assignerOrgId":"7d14cffa-0d7d-4270-9dc0-52cabd5a23a6","dateReserved":"2026-10-07T20:08:34.511Z"},"containers":{"cna":{"title":"Authentication Bypass Using an Alternate Path or Channel in Malcolm","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."}],"affected":[{"vendor":"CISA","product":"Malcolm","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThanOrEqual":"26.07.1","versionType":"custom"},{"version":"26.08.0","status":"unaffected"}]}],"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"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-288","lang":"en","description":"CWE-288 Authentication bypass using an alternate path or channel","type":"CWE"}]}],"providerMetadata":{"shortName":"icscert","orgId":"7d14cffa-0d7d-4270-9dc0-52cabd5a23a6","dateUpdated":"2026-10-14T19:41:55.715Z"},"datePublic":"2026-10-07T19:02:00.000Z","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":[{"title":"CISA ADP Vulnrichment","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"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-10-08T19:09:10.459Z"}}]}}}