{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-118952","assignerOrgId":"53f830b8-0a3f-465b-8143-3b8a9948e749","state":"PUBLISHED","assignerShortName":"redhat","dateReserved":"2026-10-29T07:57:28.659Z","datePublished":"2026-10-30T06:04:14.196Z","dateUpdated":"2026-10-30T06:04:14.196Z"},"containers":{"cna":{"title":"Kroxylicious-authorizer-acl: kroxylicious: acl prefix matching can bypass authorization rules","metrics":[{"other":{"content":{"value":"Important","namespace":"https://access.redhat.com/security/updates/classification/"},"type":"Red Hat severity rating"}},{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":6.5,"baseSeverity":"MEDIUM","confidentialityImpact":"HIGH","integrityImpact":"NONE","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","version":"3.1"},"format":"CVSS"}],"descriptions":[{"lang":"en","value":"A flaw was found in the Kroxylicious ACL authorizer. Its prefix-matching logic may apply a rule to a principal of a different type, or fail to check a broader matching rule when prefixes overlap. Depending on the ACL configuration, this may allow an authenticated Kafka client to access a resource (such as read a topic) that should be denied."}],"affected":[{"vendor":"Red Hat","product":"streams for Apache Kafka 2","collectionURL":"https://access.redhat.com/downloads/content/package-browser/","packageName":"kroxylicious-authorizer-acl","defaultStatus":"unaffected","cpes":["cpe:/a:redhat:amq_streams:2"]},{"vendor":"Red Hat","product":"streams for Apache Kafka 3","collectionURL":"https://access.redhat.com/downloads/content/package-browser/","packageName":"kroxylicious-authorizer-acl","defaultStatus":"affected","cpes":["cpe:/a:redhat:amq_streams:3"]}],"references":[{"url":"https://access.redhat.com/security/cve/CVE-2026-118952","tags":["vdb-entry","x_refsource_REDHAT"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2563276","name":"RHBZ#2563276","tags":["issue-tracking","x_refsource_REDHAT"]},{"url":"https://github.com/kroxylicious/kroxylicious/security/advisories/GHSA-qvv3-6w3q-hgqc"}],"datePublic":"2026-10-28T10:54:00.000Z","problemTypes":[{"descriptions":[{"cweId":"CWE-863","description":"Incorrect Authorization","lang":"en","type":"CWE"}]}],"x_redhatCweChain":"CWE-863: Incorrect Authorization","timeline":[{"lang":"en","time":"2026-10-28T00:00:00.000Z","value":"Reported to Red Hat."},{"lang":"en","time":"2026-10-28T10:54:00.000Z","value":"Made public."}],"providerMetadata":{"orgId":"53f830b8-0a3f-465b-8143-3b8a9948e749","shortName":"redhat","dateUpdated":"2026-10-30T06:04:14.196Z"},"x_generator":{"engine":"cvelib 1.8.0"}}}}