{"id":"EM-20261111-Z8O2","url":"https://cyber.eventmonitor.net/incident/EM-20261111-Z8O2/critical-redpanda-connect-vulnerability-cve-2026-123270/","type":"cve","title":"Critical Redpanda Connect Vulnerability (CVE-2026-123270)","subtitle":"CVE-2026-123270","subject":"CVE-2026-123270","status":"Developing","severity":"critical","affected":[],"headline":null,"born":"2026-11-11T03:47:50.000Z","firstSignal":"2026-11-09T18:17:25.207Z","lastSignal":"2026-11-11T03:47:50.000Z","updated":"2026-11-11T03:58:05.031Z","revision":1,"life":[{"status":"Born","at":"2026-11-11T03:47:50.000Z","why":"second independent source: C34 ProjectDiscovery nuclei-templates"},{"status":"Developing","at":"2026-11-11T03:47:50.000Z","why":"signals keep joining"}],"changeLog":[{"at":"2026-11-09T18:17:25.207Z","what":"First signal: C6 NVD CVE API 2.0"},{"at":"2026-11-11T03:47:50.000Z","what":"Born: second source, C34 ProjectDiscovery nuclei-templates. Page EM-20261111-Z8O2 created."}],"stages":[{"name":"Disclosed","at":"2026-11-09T18:17:25.207Z","detail":"C6 NVD published"},{"name":"Scored","at":"2026-11-09T18:17:25.207Z","detail":"CVSS 9.8 · EPSS 0.6%"},{"name":"Exploited","at":null,"detail":"No exploitation reported"},{"name":"Advisories","at":null,"detail":"None yet"},{"name":"Vendor Response","at":null,"detail":"None in sources yet"},{"name":"Resolved","at":null,"detail":"After 14 quiet days"}],"signals":[{"at":"2026-11-09T18:17:25.207Z","source":"C6","sourceName":"NVD CVE API 2.0","role":"Database","severity":4,"title":"CVE-2026-123270 (CVSS 9.8)","text":"Redpanda Connect versions 4.39 to 4.110 contain a missing authentication vulnerability that enables unauthenticated remote code execution (RCE). In streams mode, the management HTTP API is exposed on `0.0.0.0:4195`, but authentication is disabled by default and there is no authentication gate protecting the stream CRUD routes. An unauthenticated attacker with network access to TCP/4195 can `POST` a malicious pipeline definition to `/streams/{id}` that includes code-executing processors such as `command`, `subprocess`, `ffi`, or unsafe `sql_raw`, thereby achieving arbitrary RCE on the host…","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-123270"},{"at":"2026-11-11T03:47:50.000Z","source":"C34","sourceName":"ProjectDiscovery nuclei-templates","role":"Research & News","severity":2,"title":"ProjectDiscovery nuclei-templates: Merge pull request #17741 from pagvac/add-cve-2026-123270","text":"Merge pull request #17741 from pagvac/add-cve-2026-123270 Add CVE-2026-123270: Redpanda Connect Streams API - Unauthenticated RCE","url":"https://github.com/projectdiscovery/nuclei-templates/commit/4c7a39a2798194e228e671514fa73eab6579c9d9"}],"crowd":[],"reference":{"nvd":{"published":"2026-11-09T18:17:25.207","score":9.8,"severity":"CRITICAL","desc":"Redpanda Connect versions 4.39 to 4.110 contain a missing authentication vulnerability that enables unauthenticated remote code execution (RCE). In streams mode, the management HTTP API is exposed on `0.0.0.0:4195`, but authentication is disabled by default and there is no authentication gate…","product":"","seen":1794257662269},"kev":null,"epss":{"epss":0.00644,"pct":0.51241,"at":1794369485031},"p0":false},"mergedInto":null,"publisher":"Event Monitor Cyber"}