{"schema":"threatline.record/2","record":{"id":"CVE-2026-111999","aliases":[],"summary":"Vanus 0.8.0 through 0.9.0 Missing Authentication via Gateway CloudEvents HTTP Receiver","details":"Vanus 0.8.0 through 0.9.0 contains a missing authentication vulnerability that allows unauthenticated remote attackers to publish events to any eventbus through the gateway CloudEvents HTTP receiver. Attackers can send forged CloudEvents to the /namespaces/{ns}/eventbus/{name}/events or legacy /gateway/{name} paths, bypassing token authentication and authPublish checks, so they are stored and delivered to subscription sinks.","categories":["Unclassified"],"product":"vanus","vendor":"vanus-labs","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-111999","source_modified_at":"2026-10-20T15:03:48.645Z","fetched_at":"2026-10-23T18:45:31.882637Z","product":"vanus","vendor":"vanus-labs","versions":[{"version":"0.8.0","lessThanOrEqual":"0.9.0","status":"affected","versionType":"semver"}],"defaultStatus":"unaffected"}],"fixed_versions":[],"cvss":8.7,"severity":"High","kev":{"listed":false},"epss":{"probability":0.00532,"percentile":0.44188,"score_date":"2026-10-23"},"published_at":"2026-10-18T11:38:25.071Z","modified_at":"2026-10-20T15:03:48.645Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-111999","fetched_at":"2026-10-23T18:45:31.882637Z","source_modified_at":"2026-10-20T15:03:48.645Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-111999","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CVE List","EPSS"],"references":[{"source":"CVE List","url":"https://github.com/vanus-labs/vanus/issues/647","tags":["issue-tracking"]},{"source":"CVE List","url":"https://github.com/vanus-labs/vanus/blob/v0.9.0/internal/gateway/gateway.go#L81-L124","tags":["technical-description"]},{"source":"CVE List","url":"https://www.vulncheck.com/advisories/vanus-0.8.0-through-0.9.0-missing-authentication-via-gateway-cloudevents-http-receiver","tags":["third-party-advisory"]}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CVE List","ssvc":{"exploitation":"none","automatable":"yes","technical_impact":"partial","assessed_at":"2026-10-20T15:03:37.909864Z"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":null,"confidence":"unknown","reviewed":false},"change_timestamp":"2026-10-20T15:03:48.645Z","content_hash":"2cf3982fdeea7a44bd76ee73075e8c6b30426dd984be1e567339c015f2b04699"}}
