CVE-2026-83525

{"id": "CVE-2026-83525", "cveTags": [], "metrics": {}, "affected": [{"source": "security@apache.org", "affectedData": [{"vendor": "Apache Software Foundation", "product": "Apache Kafka", "versions": [{"status": "affected", "version": "2.8.0", "lessThan": "4.2.2", "versionType": "semver"}, {"status": "affected", "version": "4.3.0", "lessThan": "4.3.2", "versionType": "semver"}], "packageURL": "pkg:maven/org.apache.kafka/kafka-raft", "packageName": "org.apache.kafka:kafka-raft", "collectionURL": "https://repo.maven.apache.org/maven2", "defaultStatus": "unaffected"}]}], "published": "2026-10-28T17:18:43.983", "references": [{"url": "https://github.com/apache/kafka/pull/23185", "source": "security@apache.org"}, {"url": "https://kafka.apache.org/cve-list", "source": "security@apache.org"}, {"url": "http://www.openwall.com/lists/oss-security/2026/10/28/7", "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Awaiting Analysis", "weaknesses": [{"type": "Secondary", "source": "security@apache.org", "description": [{"lang": "en", "value": "CWE-480"}]}], "descriptions": [{"lang": "en", "value": "Incorrect operator (CWE-480) in the FetchSnapshot RPC handler\nin Apache Kafka from 2.8.0 before 4.2.2, and from 4.3.0 before 4.3.2\non all platforms allows an authenticated attacker with\nCLUSTER_ACTION privilege to cause a denial of service\n(controller process termination) via a crafted\nFetchSnapshotRequest with an empty topics array or a topic\nwith no partitions.\n\nUsers are recommended to upgrade to version 4.2.2, 4.3.2, or\n4.4.0, which fix this issue. Users on unsupported branches\n(4.1.x and earlier) should upgrade to 4.2.2 or later."}], "lastModified": "2026-10-29T15:04:37.187", "sourceIdentifier": "security@apache.org"}