{"id":22318,"date":"2026-09-15T00:30:47","date_gmt":"2026-09-14T16:30:47","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-82433"},"modified":"2026-09-15T00:30:47","modified_gmt":"2026-09-14T16:30:47","slug":"cve-2026-82433","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-82433","title":{"rendered":"CVE-2026-82433 &#8211; Description\n\n`getNimbusConf` returned the complete daemon configuration without redaction"},"content":{"rendered":"<p>Description<\/p>\n<p>`getNimbusConf` returned the complete daemon configuration without redaction after only a user-level<br \/>\nauthorization check. Where the cluster is configured with them, that response includes<br \/>\n`storm.zookeeper.auth.payload` and the keystore and truststore passwords for the Thrift, Netty and<br \/>\nZooKeeper TLS configuration. The project masks passwords elsewhere before display, so the omission here is<br \/>\ninconsistent rather than intended.<\/p>\n<p>The UI endpoint `\/api\/v1\/cluster\/configuration` compounded this. It carried no `@AuthNimbusOp` annotation,<br \/>\nand the authorization filter treated a missing annotation as &#8220;no gate required&#8221; and returned immediately, so<br \/>\nthe endpoint applied no per-user check at all and proxied the request under the UI daemon&#8217;s own principal.<br \/>\nAny user able to pass `ui.filter` therefore received the full configuration, including principals that<br \/>\nNimbus itself would have refused.\u00a0<\/p>\n<p>Mitigation<\/p>\n<p>Upgrade to 3.1.0, where credential-bearing values are masked before the configuration is served and where<br \/>\nevery UI API endpoint must declare its authorization explicitly.<\/p>\n<p>Users who cannot upgrade immediately should place the UI behind an authenticating reverse proxy that<br \/>\nrestricts `\/api\/v1\/cluster\/configuration`, and should rotate the ZooKeeper authentication payload and any<br \/>\nTLS keystore or truststore passwords that were reachable through it.<\/p>\n<p>Credit<\/p>\n<p>The ASF &#8212; found using Claude agents to study the security of open-source projects, validated and reported by Apache Storm.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Description<\/p>\n<p>`getNimbusConf` returned the complete daemon configuration without redaction after only a user-level<br \/>\nauthorization check. Where the cluster is configured with them, that response includes<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-22318","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/22318","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln"}],"about":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/types\/vuln"}],"wp:attachment":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=22318"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=22318"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=22318"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}