{"id":"CVE-2026-108549","state":"PUBLISHED","title":"cc-connect through 1.5.0 Missing Authentication via MAX Webhook Sender Spoofing","description":"cc-connect through 1.5.0 contains a missing authentication vulnerability in the MAX platform adapter webhook mode in platform/max/max.go that accepts unauthenticated updates when no webhook_secret is configured. Remote attackers reaching the webhook listener on port 8080 can forge updates with an allowed or admin user_id to run privileged commands like /shell on the host.","publishedAt":"2026-10-10T14:35:04.291Z","updatedAt":"2026-10-13T11:36:36.083Z","severity":{"score":9.2,"label":"Critical","version":"4.0","vector":"CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","source":"VulnCheck"},"assigner":"VulnCheck","products":["chenhg5 cc-connect"],"affected":[{"vendor":"chenhg5","product":"cc-connect","packageURL":"pkg:golang/github.com/chenhg5/cc-connect","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThanOrEqual":"1.5.0","versionType":"semver"}]}],"references":["https://github.com/chenhg5/cc-connect/issues/1968","https://github.com/chenhg5/cc-connect","https://github.com/chenhg5/cc-connect/blob/v1.5.0/platform/max/max.go#L287-L305","https://www.vulncheck.com/advisories/cc-connect-through-1.5.0-missing-authentication-via-max-webhook-sender-spoofing"],"weaknesses":["CWE-306"],"ingestedAt":"2026-10-29T20:10:33.477Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/108xxx/CVE-2026-108549.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-108549","state":"PUBLISHED","datePublished":"2026-10-10T14:35:04.291Z","dateUpdated":"2026-10-13T11:36:36.083Z","assignerShortName":"VulnCheck","assignerOrgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","dateReserved":"2026-10-10T14:24:42.862Z"},"containers":{"cna":{"title":"cc-connect through 1.5.0 Missing Authentication via MAX Webhook Sender Spoofing","descriptions":[{"lang":"en","value":"cc-connect through 1.5.0 contains a missing authentication vulnerability in the MAX platform adapter webhook mode in platform/max/max.go that accepts unauthenticated updates when no webhook_secret is configured. Remote attackers reaching the webhook listener on port 8080 can forge updates with an allowed or admin user_id to run privileged commands like /shell on the host."}],"affected":[{"vendor":"chenhg5","product":"cc-connect","packageURL":"pkg:golang/github.com/chenhg5/cc-connect","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThanOrEqual":"1.5.0","versionType":"semver"}]}],"references":[{"url":"https://github.com/chenhg5/cc-connect/issues/1968","tags":["issue-tracking"],"name":"GitHub Issue #1968"},{"url":"https://github.com/chenhg5/cc-connect","tags":["product"]},{"url":"https://github.com/chenhg5/cc-connect/blob/v1.5.0/platform/max/max.go#L287-L305","tags":["technical-description"]},{"url":"https://www.vulncheck.com/advisories/cc-connect-through-1.5.0-missing-authentication-via-max-webhook-sender-spoofing","name":"VulnCheck Advisory: cc-connect through 1.5.0 Missing Authentication via MAX Webhook Sender Spoofing","tags":["third-party-advisory"]}],"metrics":[{"format":"CVSS","cvssV4_0":{"version":"4.0","vectorString":"CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","attackVector":"NETWORK","attackComplexity":"HIGH","attackRequirements":"PRESENT","privilegesRequired":"NONE","userInteraction":"NONE","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"HIGH","vulnAvailabilityImpact":"HIGH","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","baseScore":9.2,"baseSeverity":"CRITICAL"}},{"format":"CVSS","cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","attackVector":"NETWORK","attackComplexity":"HIGH","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH","baseScore":8.1,"baseSeverity":"HIGH"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-306","lang":"en","description":"Missing Authentication for Critical Function","type":"CWE"}]}],"providerMetadata":{"shortName":"VulnCheck","orgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","dateUpdated":"2026-10-10T14:35:04.291Z"},"datePublic":"2026-10-06T00:00:00.000Z","credits":[{"lang":"en","value":"George Chen","type":"finder"}],"x_generator":{"engine":"vulncheck-endgame"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-10-13T11:36:17.130357Z","id":"CVE-2026-108549","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-10-13T11:36:36.083Z"}}]}}}