{"id":"EM-20261109-BIRU","url":"https://cyber.eventmonitor.net/incident/EM-20261109-BIRU/vulnerability-cve-2026-12977/","type":"cve","title":"Vulnerability (CVE-2026-12977)","subtitle":"CVE-2026-12977","subject":"CVE-2026-12977","status":"Developing","severity":"high","affected":[],"headline":null,"born":"2026-11-09T19:17:04.307Z","firstSignal":"2026-11-09T18:23:51.000Z","lastSignal":"2026-11-09T19:17:04.307Z","updated":"2026-11-10T00:12:43.433Z","revision":1,"life":[{"status":"Born","at":"2026-11-09T19:17:04.307Z","why":"second independent source: C6 NVD CVE API 2.0"},{"status":"Developing","at":"2026-11-09T19:17:04.307Z","why":"signals keep joining"}],"changeLog":[{"at":"2026-11-09T18:23:51.000Z","what":"First signal: C41 Red Hat Security Data"},{"at":"2026-11-09T19:17:04.307Z","what":"Born: second source, C6 NVD CVE API 2.0. Page EM-20261109-BIRU created."}],"stages":[{"name":"Disclosed","at":"2026-11-09T19:17:04.307Z","detail":"C6 NVD published"},{"name":"Scored","at":"2026-11-09T19:17:04.307Z","detail":"CVSS 8.8"},{"name":"Exploited","at":null,"detail":"No exploitation reported"},{"name":"Advisories","at":null,"detail":"None yet"},{"name":"Vendor Response","at":"2026-11-09T18:23:51.000Z","detail":"C41 published"},{"name":"Resolved","at":null,"detail":"After 14 quiet days"}],"signals":[{"at":"2026-11-09T18:23:51.000Z","source":"C41","sourceName":"Red Hat Security Data","role":"Vendor","severity":3,"title":"Red Hat: CVE-2026-12977 (important)","text":"org.wildfly.core/wildfly-server: wildfly: RBAC bypass in WildFly deployment-operation handlers leads to privilege escalation","url":"https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-12977.json"},{"at":"2026-11-09T19:17:04.307Z","source":"C6","sourceName":"NVD CVE API 2.0","role":"Database","severity":3,"title":"CVE-2026-12977 (CVSS 8.8)","text":"A flaw was found in the deployment-operation family of WildFly Core. Certain handlers, such as upload-deployment-url, lack proper sensitivity classification, allowing an administrator with the restricted \"Maintainer\" role to read sensitive configuration files. This can lead to the exfiltration of credentials and full administrative control (SuperUser) of the server.","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-12977"}],"crowd":[],"reference":{"nvd":{"published":"2026-11-09T19:17:04.307","score":8.8,"severity":"HIGH","desc":"A flaw was found in the deployment-operation family of WildFly Core. Certain handlers, such as upload-deployment-url, lack proper sensitivity classification, allowing an administrator with the restricted \"Maintainer\" role to read sensitive configuration files. This can lead to the exfiltration of…","product":"","seen":1794262241103},"kev":null,"epss":null,"p0":false},"mergedInto":null,"publisher":"Event Monitor Cyber"}