{"id":"EM-20261104-PVF7","url":"https://cyber.eventmonitor.net/incident/EM-20261104-PVF7/deepseek-harness-vulnerability-cve-2026-82033/","type":"cve","title":"DeepSeek Harness Vulnerability (CVE-2026-82033)","subtitle":"CVE-2026-82033","subject":"CVE-2026-82033","status":"Developing","severity":"high","affected":[],"headline":null,"born":"2026-11-04T19:17:41.533Z","firstSignal":"2026-11-04T18:42:26.000Z","lastSignal":"2026-11-04T19:17:41.533Z","updated":"2026-11-06T12:16:45.734Z","revision":1,"life":[{"status":"Born","at":"2026-11-04T19:17:41.533Z","why":"second independent source: C6 NVD CVE API 2.0"},{"status":"Developing","at":"2026-11-04T19:17:41.533Z","why":"signals keep joining"}],"changeLog":[{"at":"2026-11-04T18:42:26.000Z","what":"First signal: C41 Red Hat Security Data"},{"at":"2026-11-04T19:17:41.533Z","what":"Born: second source, C6 NVD CVE API 2.0. Page EM-20261104-PVF7 created."}],"stages":[{"name":"Disclosed","at":"2026-11-04T19:17:41.533Z","detail":"C6 NVD published"},{"name":"Scored","at":"2026-11-04T19:17:41.533Z","detail":"CVSS 8.6 · EPSS 0.2%"},{"name":"Exploited","at":null,"detail":"No exploitation reported"},{"name":"Advisories","at":null,"detail":"None yet"},{"name":"Vendor Response","at":"2026-11-04T18:42:26.000Z","detail":"C41 published"},{"name":"Resolved","at":null,"detail":"After 14 quiet days"}],"signals":[{"at":"2026-11-04T18:42:26.000Z","source":"C41","sourceName":"Red Hat Security Data","role":"Vendor","severity":3,"title":"Red Hat: CVE-2026-82033 (important)","text":"deepseek-harness: deepseek-harness: Arbitrary command execution via unauthenticated RPC control plane","url":"https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-82033.json"},{"at":"2026-11-04T19:17:41.533Z","source":"C6","sourceName":"NVD CVE API 2.0","role":"Database","severity":3,"title":"CVE-2026-82033 (CVSS 8.6)","text":"DeepSeek Harness prior to 0.1.2-alpha.2, and specifically commit 3e24087, contains a missing authentication vulnerability in its web profile HTTP and WebSocket RPC control plane, allowing any local process, including those running as a different OS user, to reach unauthenticated session methods such as session.create and session.prompt. Attackers can invoke session.prompt to trigger the agent's bash and filesystem tools, achieve arbitrary command execution as the victim user using their configured model credentials, intercept live session traffic and logs over the event mux stream, and…","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-82033"}],"crowd":[],"reference":{"nvd":{"published":"2026-11-04T19:17:41.533","score":8.6,"severity":"HIGH","desc":"DeepSeek Harness prior to 0.1.2-alpha.2, and specifically commit 3e24087, contains a missing authentication vulnerability in its web profile HTTP and WebSocket RPC control plane, allowing any local process, including those running as a different OS user, to reach unauthenticated session methods…","product":"","seen":1793837141981},"kev":null,"epss":{"epss":0.0022,"pct":0.12653,"at":1793967405734},"p0":false},"mergedInto":null,"publisher":"Event Monitor Cyber"}