{"id":"EM-20261104-KRM8","url":"https://cyber.eventmonitor.net/incident/EM-20261104-KRM8/","type":"cve","title":"Apache ZooKeeper Vulnerability (CVE-2026-100252)","subtitle":"CVE-2026-100252","subject":"CVE-2026-100252","status":"Developing","severity":"high","affected":[],"headline":null,"born":"2026-11-04T11:17:06.717Z","firstSignal":"2026-11-04T10:44:17.000Z","lastSignal":"2026-11-04T11:17:06.717Z","updated":"2026-11-05T01:06:50.406Z","revision":1,"life":[{"status":"Born","at":"2026-11-04T11:17:06.717Z","why":"second independent source: C6 NVD CVE API 2.0"},{"status":"Developing","at":"2026-11-04T11:17:06.717Z","why":"signals keep joining"}],"changeLog":[{"at":"2026-11-04T10:44:17.000Z","what":"First signal: C41 Red Hat Security Data"},{"at":"2026-11-04T11:17:06.717Z","what":"Born: second source, C6 NVD CVE API 2.0. Page EM-20261104-KRM8 created."}],"stages":[{"name":"Disclosed","at":"2026-11-04T11:17:06.717Z","detail":"C6 NVD published"},{"name":"Scored","at":"2026-11-04T11:17:06.717Z","detail":"CVSS 8.6"},{"name":"Exploited","at":null,"detail":"No exploitation reported"},{"name":"Advisories","at":null,"detail":"None yet"},{"name":"Vendor Response","at":"2026-11-04T10:44:17.000Z","detail":"C41 published"},{"name":"Resolved","at":null,"detail":"After 14 quiet days"}],"signals":[{"at":"2026-11-04T10:44:17.000Z","source":"C41","sourceName":"Red Hat Security Data","role":"Vendor","severity":3,"title":"Red Hat: CVE-2026-100252 (important)","text":"org.apache.zookeeper/zookeeper: zookeeper: Privilege escalation via improper SASL authorization identity validation","url":"https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-100252.json"},{"at":"2026-11-04T11:17:06.717Z","source":"C6","sourceName":"NVD CVE API 2.0","role":"Database","severity":3,"title":"CVE-2026-100252 (CVSS 8.6)","text":"Improper Authorization vulnerability in Apache ZooKeeper.\n\nWhen SASL authentication is enabled on the client port, the server's SASL callback handler grants every authorization identity (authzid) that a client requests, without checking it against the principal the client authenticated as. The server then tries to replace the requested identity with a canonical form of the authenticated principal, derived from the zookeeper.security.auth_to_local rules. If no rule applies to the principal, canonicalization fails and the error is only logged. The client-requested authzid then becomes the sessio","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-100252"}],"crowd":[],"reference":{"nvd":{"published":"2026-11-04T11:17:06.717","score":8.6,"severity":"HIGH","desc":"Improper Authorization vulnerability in Apache ZooKeeper.\n\nWhen SASL authentication is enabled on the client port, the server's SASL callback handler grants every authorization identity (authzid) that a client requests, without checking it against the principal the client authenticated as. The serve","product":"","seen":1793817148789},"kev":null,"epss":null,"p0":false},"mergedInto":null,"publisher":"Event Monitor Cyber"}