{"id":"EM-20261105-F5MX","url":"https://cyber.eventmonitor.net/incident/EM-20261105-F5MX/nst-labs-tech-nstbrowser-vulnerability-cve-2026-122020/","type":"cve","title":"NST Labs Tech Nstbrowser Vulnerability (CVE-2026-122020)","subtitle":"CVE-2026-122020","subject":"CVE-2026-122020","status":"Developing","severity":"medium","affected":[],"headline":null,"born":"2026-11-05T00:33:06.000Z","firstSignal":"2026-11-04T22:00:18.000Z","lastSignal":"2026-11-05T00:33:06.000Z","updated":"2026-11-06T12:16:45.734Z","revision":1,"life":[{"status":"Born","at":"2026-11-05T00:33:06.000Z","why":"second independent source: C29 CIRCL Vulnerability-Lookup"},{"status":"Developing","at":"2026-11-05T00:33:06.000Z","why":"signals keep joining"}],"changeLog":[{"at":"2026-11-04T22:00:18.000Z","what":"First signal: C41 Red Hat Security Data"},{"at":"2026-11-05T00:33:06.000Z","what":"Born: second source, C29 CIRCL Vulnerability-Lookup. Page EM-20261105-F5MX created."}],"stages":[{"name":"Disclosed","at":"2026-11-04T22:17:56.157Z","detail":"C6 NVD published"},{"name":"Scored","at":"2026-11-04T22:17:56.157Z","detail":"CVSS 2.1 · EPSS 0.3%"},{"name":"Exploited","at":null,"detail":"No exploitation reported"},{"name":"Advisories","at":null,"detail":"None yet"},{"name":"Vendor Response","at":"2026-11-04T22:00:18.000Z","detail":"C41 published"},{"name":"Resolved","at":null,"detail":"After 14 quiet days"}],"signals":[{"at":"2026-11-04T22:00:18.000Z","source":"C41","sourceName":"Red Hat Security Data","role":"Vendor","severity":2,"title":"Red Hat: CVE-2026-122020 (moderate)","text":"nstbrowser: nstbrowser: Denial of Service via stopAll API endpoint","url":"https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-122020.json"},{"at":"2026-11-05T00:33:06.000Z","source":"C29","sourceName":"CIRCL Vulnerability-Lookup","role":"Database","severity":2,"title":"GHSA-vf69-9xg9-6cc3 / CVE-2026-122020","text":"A security flaw has been discovered in NST Labs Tech Nstbrowser up to 1.2.1. The affected element is the function stopAllBrowsers of the file /api/agent/browser/stopAll of the component Local Agent Management Service. Performing a manipulation results in denial of service. Remote exploitation of…","url":"https://vulnerability.circl.lu/vuln/GHSA-vf69-9xg9-6cc3"}],"crowd":[],"reference":{"nvd":{"published":"2026-11-04T22:17:56.157","score":2.1,"severity":"LOW","desc":"A security flaw has been discovered in NST Labs Tech Nstbrowser up to 1.2.1. The affected element is the function stopAllBrowsers of the file /api/agent/browser/stopAll of the component Local Agent Management Service. Performing a manipulation results in denial of service. Remote exploitation of…","product":"","seen":1793840810406},"kev":null,"epss":{"epss":0.00319,"pct":0.25016,"at":1793967405734},"p0":false},"mergedInto":null,"publisher":"Event Monitor Cyber"}