{"id":"CVE-2026-24308","aliases":["BIT-zookeeper-2026-24308","DEBIAN-CVE-2026-24308","EUVD-2026-10140","GHSA-crhr-qqj8-rpxc","GHSA-r978-9m6m-6gm6","RHLW-2026-19f4511248f79d69","ROOT-APP-MAVEN-CVE-2026-24308","UBUNTU-CVE-2026-24308"],"status":"published","title":"Apache ZooKeeper: Sensitive information disclosure in client configuration handling","description":"Improper handling of configuration values in ZKConfig in Apache ZooKeeper 3.8.5 and 3.9.4 on all platforms allows an attacker to expose sensitive information stored in client configuration in the client's logfile. Configuration values are exposed at INFO level logging rendering potential production systems affected by the issue. Users are recommended to upgrade to version 3.8.6 or 3.9.5 which fixes this issue.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-12","score":0.01289,"percentile":0.70626,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-117","CWE-532"],"published":"2026-03-07T08:51:17Z","modified":"2026-11-10T08:43:12Z","fixes":[{"ecosystem":"Maven","package":"org.apache.zookeeper:zookeeper","fixed_in":["3.9.5","3.8.6"],"sources":["ghsa","osv"]},{"ecosystem":"Bitnami","package":"zookeeper","fixed_in":["3.8.6","3.9.5"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"zookeeper","fixed_in":["3.9.5-1"],"sources":["osv"]},{"ecosystem":"Root:Maven","package":"io.root.org.apache.zookeeper:zookeeper","fixed_in":["3.8.4-root.io.1","3.9.3-root.io.1","3.9.3-root.io.2","3.9.2-root.io.1","3.9.2-root.io.2","3.8.4-root.io.2","3.8.4-root.io.3","3.9.3-root.io.3","3.9.2-root.io.3"],"sources":["osv"]},{"ecosystem":"Root:Maven","package":"org.apache.zookeeper:zookeeper","fixed_in":["3.8.4-aikido.3","3.9.3-aikido.3","3.9.2-aikido.3"],"sources":["osv"]}],"affected":[{"source":"ghsa","ecosystem":"Maven","package":"org.apache.zookeeper:zookeeper","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"3.9.0"},{"fixed":"3.9.5"}]}]},{"source":"ghsa","ecosystem":"Maven","package":"org.apache.zookeeper:zookeeper","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"3.8.0"},{"fixed":"3.8.6"}]}]},{"source":"osv","ecosystem":"Bitnami","package":"zookeeper","ranges":[{"type":"SEMVER","events":[{"introduced":"3.8.0"},{"fixed":"3.8.6"},{"introduced":"3.9.0"},{"fixed":"3.9.5"}]}]},{"source":"osv","ecosystem":"Debian:12","package":"zookeeper","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.8.0-11","3.8.0-11+deb12u1","3.8.0-11+deb12u2","3.9.1-1","3.9.2-1","3.9.2-2","3.9.3-1","3.9.3-2","3.9.4-1","3.9.4-2","3.9.5-1","3.9.5-2","3.9.6-1"]},{"source":"osv","ecosystem":"Debian:13","package":"zookeeper","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.9.3-1","3.9.3-1+deb13u1","3.9.3-2","3.9.4-1","3.9.4-2","3.9.5-1","3.9.5-2","3.9.6-1"]},{"source":"osv","ecosystem":"Debian:14","package":"zookeeper","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.9.5-1"}]}],"versions":["3.9.3-1","3.9.3-2","3.9.4-1","3.9.4-2"]},{"source":"osv","ecosystem":"Maven","package":"org.apache.zookeeper:zookeeper","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"3.9.0"},{"fixed":"3.9.5"}]}],"versions":["3.9.0","3.9.1","3.9.2","3.9.3","3.9.4"]},{"source":"osv","ecosystem":"Maven","package":"org.apache.zookeeper:zookeeper","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"3.8.0"},{"fixed":"3.8.6"}]}],"versions":["3.8.0","3.8.1","3.8.2","3.8.3","3.8.4","3.8.5"]},{"source":"osv","ecosystem":"Red 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software foundation","product":"apache zookeeper"},{"vendor":"red hat","product":"red hat amq broker 7.12.7"},{"vendor":"red hat","product":"red hat amq broker 7.13.5"},{"vendor":"red hat","product":"red hat amq broker 7.14.0"},{"vendor":"red hat","product":"red hat build of apache camel for spring boot 4"},{"vendor":"red hat","product":"red hat build of debezium 2"},{"vendor":"red hat","product":"red hat build of debezium 3"},{"vendor":"red hat","product":"red hat data grid 8"},{"vendor":"red hat","product":"red hat fuse 7"},{"vendor":"red hat","product":"red hat jboss enterprise application platform 7"},{"vendor":"red hat","product":"red hat jboss enterprise application platform 8"},{"vendor":"red hat","product":"red hat jboss enterprise application platform expansion pack"},{"vendor":"red hat","product":"red hat offline knowledge portal"},{"vendor":"red hat","product":"red hat openshift ai (rhoai)"},{"vendor":"red hat","product":"red hat openshift ai 2.25"},{"vendor":"red 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Advisory","advisory","web","report"]},{"url":"https://access.redhat.com/security/cve/CVE-2026-24308","tags":["vdb-entry","x_refsource_REDHAT","web","advisory"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2445451","tags":["issue-tracking","x_refsource_REDHAT","web","report"]},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-24308.json","tags":["x_sadp-csaf-vex","web"]},{"url":"https://access.redhat.com/errata/RHSA-2026:14276","tags":["vendor-advisory","x_refsource_REDHAT","web","advisory"]},{"url":"https://access.redhat.com/errata/RHSA-2026:14272","tags":["vendor-advisory","x_refsource_REDHAT","web","advisory"]},{"url":"https://access.redhat.com/errata/RHSA-2026:8509","tags":["vendor-advisory","x_refsource_REDHAT","web","advisory"]},{"url":"https://access.redhat.com/errata/RHSA-2026:10184","tags":["vendor-advisory","x_refsource_REDHAT","web","advisory"]},{"url":"https://access.redhat.com/errata/RHSA-2026:34608","tags":["vendor-advisory","x_refsource_REDHAT","web","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-24308","tags":["web","advisory"]},{"url":"https://github.com/apache/zookeeper/releases/tag/release-3.8.6","tags":["web"]},{"url":"https://github.com/apache/zookeeper/releases/tag/release-3.9.5","tags":["web"]},{"url":"https://github.com/advisories/GHSA-crhr-qqj8-rpxc","tags":["advisory"]},{"url":"https://repo.maven.apache.org/maven2","tags":["web"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/24xxx/CVE-2026-24308.json","tags":["advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2026-24308","tags":["advisory"]},{"url":"https://github.com/apache/zookeeper","tags":["package"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/23xxx/CVE-2024-23944.json","tags":["advisory"]},{"url":"https://lists.apache.org/thread/96s5nqssj03rznz9hv58txdb2k1lr79k","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2024-23944","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-r978-9m6m-6gm6","tags":["advisory"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/59xxx/CVE-2026-59739.json","tags":["advisory"]},{"url":"https://lists.apache.org/thread/v0lrwsbdxvx6w67p3z7fxf3hzyncq55l","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-59739","tags":["advisory"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/59xxx/CVE-2026-59969.json","tags":["advisory"]},{"url":"https://lists.apache.org/thread/qf9kwsgtgbgtvwls6f41281846xg0rss","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-59969","tags":["advisory"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/79xxx/CVE-2026-79993.json","tags":["advisory"]},{"url":"https://lists.apache.org/thread/9cw3rmrzhqpct26v8j18fy41bghlq8y5","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-79993","tags":["advisory"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/84xxx/CVE-2026-84439.json","tags":["advisory"]},{"url":"https://lists.apache.org/thread/b7qnjvqjh393l0j07tmnb5ggg40sx3m6","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-84439","tags":["advisory"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/84xxx/CVE-2026-84501.json","tags":["advisory"]},{"url":"https://lists.apache.org/thread/ohby1g6zjt72p0w79rhbr41nczzvr33y","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-84501","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2026-24308","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-24308","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2026-24308","title":"Apache ZooKeeper: Sensitive information disclosure in client configuration handling","description":"Improper handling of configuration values in ZKConfig in Apache ZooKeeper 3.8.5 and 3.9.4 on all platforms allows an attacker to expose sensitive information stored in client configuration in the client's logfile. Configuration values are exposed at INFO level logging rendering potential production systems affected by the issue. Users are recommended to upgrade to version 3.8.6 or 3.9.5 which fixes this issue.","status":"published","published":"2026-03-07T08:51:17.567Z","modified":"2026-07-15T02:46:52.345Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"adp"},{"version":"3.1","score":3.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"low","assessor":"adp"}],"cwes":["CWE-532","CWE-117"],"updated_at":"2026-11-02T14:19:50.575061Z"}],"euvd":[{"id":"EUVD-2026-10140","description":"Improper handling of configuration values in ZKConfig in Apache ZooKeeper 3.8.5 and 3.9.4 on all platforms allows an attacker to expose sensitive information stored in client configuration in the client's logfile. Configuration values are exposed at INFO level logging rendering potential production systems affected by the issue. Users are recommended to upgrade to version 3.8.6 or 3.9.5 which fixes this issue.","status":"published","published":"2026-03-07T08:51:17Z","modified":"2026-07-15T02:46:52Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T18:19:53.678292Z"}],"ghsa":[{"id":"GHSA-crhr-qqj8-rpxc","title":"Apache ZooKeeper has improper handling of configuration values","description":"Improper handling of configuration values in ZKConfig in Apache ZooKeeper 3.8.5 and 3.9.4 on all platforms allows an attacker to expose sensitive information stored in client configuration in the client's logfile. Configuration values are exposed at INFO level logging rendering potential production systems affected by the issue. Users are recommended to upgrade to version 3.8.6 or 3.9.5 which fixes this issue.","status":"published","published":"2026-03-07T09:30:15Z","modified":"2026-03-09T18:19:16Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N","level":"high"}],"cwes":["CWE-532"],"updated_at":"2026-11-02T14:39:33.538417Z"}],"nvd":[{"id":"CVE-2026-24308","description":"Improper handling of configuration values in ZKConfig in Apache ZooKeeper 3.8.5 and 3.9.4 on all platforms allows an attacker to expose sensitive information stored in client configuration in the client's logfile. Configuration values are exposed at INFO level logging rendering potential production systems affected by the issue. Users are recommended to upgrade to version 3.8.6 or 3.9.5 which fixes this issue.","status":"published","published":"2026-03-07T09:16:07.66Z","modified":"2026-07-15T02:18:48.833Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"primary"},{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"secondary"},{"version":"3.1","score":3.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"low","assessor":"secondary"}],"cwes":["CWE-532","CWE-117"],"updated_at":"2026-11-02T14:12:08.279852Z"}],"osv":[{"id":"CVE-2026-24308","title":"Apache ZooKeeper: Sensitive information disclosure in client configuration handling","description":"Improper handling of configuration values in ZKConfig in Apache ZooKeeper 3.8.5 and 3.9.4 on all platforms allows an attacker to expose sensitive information stored in client configuration in the client's logfile. Configuration values are exposed at INFO level logging rendering potential production systems affected by the issue. Users are recommended to upgrade to version 3.8.6 or 3.9.5 which fixes this issue.","status":"published","published":"2026-03-07T08:51:17.567Z","modified":"2026-10-28T02:30:34.412324372Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"cwes":["CWE-532"],"updated_at":"2026-11-02T15:44:59.079784Z"},{"id":"DEBIAN-CVE-2026-24308","description":"Improper handling of configuration values in ZKConfig in Apache ZooKeeper 3.8.5 and 3.9.4 on all platforms allows an attacker to expose sensitive information stored in client configuration in the client's logfile. Configuration values are exposed at INFO level logging rendering potential production systems affected by the issue. Users are recommended to upgrade to version 3.8.6 or 3.9.5 which fixes this issue.","status":"published","published":"2026-03-07T09:16:07.66Z","modified":"2026-10-01T03:03:21.139536864Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"updated_at":"2026-11-02T15:45:53.877573Z"},{"id":"GHSA-crhr-qqj8-rpxc","title":"Apache ZooKeeper has improper handling of configuration values","description":"Improper handling of configuration values in ZKConfig in Apache ZooKeeper 3.8.5 and 3.9.4 on all platforms allows an attacker to expose sensitive information stored in client configuration in the client's logfile. Configuration values are exposed at INFO level logging rendering potential production systems affected by the issue. Users are recommended to upgrade to version 3.8.6 or 3.9.5 which fixes this issue.","status":"published","published":"2026-03-07T09:30:15Z","modified":"2026-09-10T03:50:38.701178145Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N","level":"high"}],"cwes":["CWE-532"],"updated_at":"2026-11-02T15:46:45.28161Z"},{"id":"RHLW-2026-19f4511248f79d69","title":"Lightwell Security Advisory: zookeeper 3.8.3.rhlw-00015","description":"Red Hat Lightwell has released org.apache.zookeeper:zookeeper 3.8.3.rhlw-00015 with backported fixes for CVE-2024-23944, CVE-2026-24308, CVE-2026-59739, CVE-2026-59969, CVE-2026-79993, CVE-2026-84439, and CVE-2026-84501.\n\nCVE-2024-23944: Apache ZooKeeper: Information disclosure in persistent watcher handling\n\nCVE-2026-24308: Apache ZooKeeper: Sensitive information disclosure in client configuration handling\n\nCVE-2026-59739: Apache ZooKeeper: Information disclosure via SetWatches reconnect replay\n\nCVE-2026-59969: Apache ZooKeeper: Improper validation of certificate with host mismatch in FIPS mode\n\nCVE-2026-79993: Apache ZooKeeper: Missing ACL check on deleteContainer opcode allows unauthorized deletion of any empty persistent/container znode\n\nCVE-2026-84439: Apache ZooKeeper: Audit log injection via unsanitized output from multiple sources\n\nCVE-2026-84501: Apache ZooKeeper: Operational log forgery via newline injection in EnsembleAuthenticationProvider\n\nThis patched artifact is a drop-in replacement for org.apache.zookeeper:zookeeper 3.8.3 from Maven Central.","status":"published","published":"2026-11-09T00:50:22Z","modified":"2026-11-10T08:43:12.631396777Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L","level":"medium"}],"updated_at":"2026-11-10T08:55:24.395105Z"},{"id":"ROOT-APP-MAVEN-CVE-2026-24308","title":"CVE-2026-24308 in io.root.org.apache.zookeeper:zookeeper - Patched by Root","description":"Root has patched CVE-2026-24308 in the io.root.org.apache.zookeeper:zookeeper package for Root:Maven. Multiple fixed versions available.","status":"published","published":"2026-06-17T15:49:12Z","modified":"2026-06-17T18:15:23.526440035Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"updated_at":"2026-11-02T15:53:27.066589Z"},{"id":"UBUNTU-CVE-2026-24308","description":"Improper handling of configuration values in ZKConfig in Apache ZooKeeper 3.8.5 and 3.9.4 on all platforms allows an attacker to expose sensitive information stored in client configuration in the client's logfile. 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Configuration values are exposed at INFO level logging rendering potential production systems affected by the issue. Users are recommended to upgrade to version 3.8.6 or 3.9.5 which fixes this issue.","status":"published","published":"2026-03-10T08:52:17.946Z","modified":"2026-09-08T08:46:16.993352332Z","updated_at":"2026-11-02T15:28:36.455807Z"}]}}