{"id":"EM-20261105-FSHO","url":"https://cyber.eventmonitor.net/incident/EM-20261105-FSHO/emissary-vulnerability-cve-2026-54442/","type":"cve","title":"Emissary Vulnerability (CVE-2026-54442)","subtitle":"CVE-2026-54442","subject":"CVE-2026-54442","status":"Developing","severity":"medium","affected":[],"headline":null,"born":"2026-11-05T20:30:51.000Z","firstSignal":"2026-10-30T22:51:19.000Z","lastSignal":"2026-11-05T20:30:51.000Z","updated":"2026-11-06T12:16:45.734Z","revision":1,"life":[{"status":"Born","at":"2026-11-05T20:30:51.000Z","why":"second independent source: C41 Red Hat Security Data"},{"status":"Developing","at":"2026-11-05T20:30:51.000Z","why":"signals keep joining"}],"changeLog":[{"at":"2026-10-30T22:51:19.000Z","what":"First signal: C26 GitHub Advisory Database"},{"at":"2026-11-05T20:30:51.000Z","what":"Born: second source, C41 Red Hat Security Data. Page EM-20261105-FSHO created."}],"stages":[{"name":"Disclosed","at":"2026-11-05T21:18:51.240Z","detail":"C6 NVD published"},{"name":"Scored","at":"2026-11-05T21:18:51.240Z","detail":"CVSS 4.8"},{"name":"Exploited","at":null,"detail":"No exploitation reported"},{"name":"Advisories","at":null,"detail":"None yet"},{"name":"Vendor Response","at":"2026-11-05T20:30:51.000Z","detail":"C41 published"},{"name":"Resolved","at":null,"detail":"After 14 quiet days"}],"signals":[{"at":"2026-10-30T22:51:19.000Z","source":"C26","sourceName":"GitHub Advisory Database","role":"Database","severity":2,"title":"GHSA-c6q7-wqw2-h65w / CVE-2026-54442: NationalSecurityAgency/emissary has an incomplete fix for CVE-2026-35571","text":"maven:gov.nsa.emissary:emissary","url":"https://github.com/advisories/GHSA-c6q7-wqw2-h65w"},{"at":"2026-11-05T20:30:51.000Z","source":"C41","sourceName":"Red Hat Security Data","role":"Vendor","severity":2,"title":"Red Hat: CVE-2026-54442 (moderate)","text":"gov.nsa.emissary/emissary: Emissary: Open redirect via improper navigation link URL validation","url":"https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-54442.json"}],"crowd":[],"reference":{"nvd":{"published":"2026-11-05T21:18:51.240","score":4.8,"severity":"MEDIUM","desc":"Emissary is a P2P based data-driven workflow engine. Prior to 8.51.0, the VALID_LINK validation in src/main/java/emissary/server/mvc/NavAction.java accepts protocol-relative URLs when processing configured navigation links. Browser URL normalization can interpret these accepted strings as external…","product":"","seen":1793922090303},"kev":null,"epss":null,"p0":false},"mergedInto":null,"publisher":"Event Monitor Cyber"}