{"api_version":"1","generated_at":"2026-06-02T12:02:02+00:00","cve":"CVE-2026-41115","urls":{"html":"https://cve.report/CVE-2026-41115","api":"https://cve.report/api/cve/CVE-2026-41115.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-41115","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-41115"},"summary":{"title":"Apache Kafka: Improper Authorization in CONSUMER_GROUP_DESCRIBE API","description":"An improper authorization vulnerability has been identified in Apache Kafka.\n\nThe implementation of the CONSUMER_GROUP_DESCRIBE (69) API validates the DESCRIBE operation on the GROUP resource instead of the READ operation that documented in the official kafka documentation and the KIP-848. This discrepancy can result in misconfigured Access Control Lists (ACLs) and unintended security postures, like granting READ permission to users who should not be able to join/sync groups, or allowing users without READ permission (but with DESCRIBE permission) to access sensitive group metadata.\n\nThe correct permission for CONSUMER_GROUP_DESCRIBE API is DESCRIBE GROUP so the current implementation is correct. However, the kafka documentation as well as the KIP-848 will be updated to reflect the correct permission. We advise the Kafka users to review existing group ACLs to ensure the principle of least privilege.","state":"PUBLISHED","assigner":"apache","published_at":"2026-06-02 10:16:25","updated_at":"2026-06-02 10:16:25"},"problem_types":["CWE-285","CWE-285 CWE-285 Improper Authorization"],"metrics":[],"references":[{"url":"https://kafka.apache.org/cve-list","name":"https://kafka.apache.org/cve-list","refsource":"security@apache.org","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-41115","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-41115","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Apache Software Foundation","product":"Apache Kafka","version":"affected 4.0.0 4.3.0 semver","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[{"source":"CNA","value":"Luke Chen <showuon@gmail.com>","lang":"en"}],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Apache Kafka","vendor":"Apache Software Foundation","versions":[{"lessThanOrEqual":"4.3.0","status":"affected","version":"4.0.0","versionType":"semver"}]}],"credits":[{"lang":"en","type":"finder","value":"Luke Chen <showuon@gmail.com>"}],"descriptions":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"<div>An improper authorization vulnerability has been identified in Apache Kafka.</div><div>The implementation of the CONSUMER_GROUP_DESCRIBE (69) API validates the DESCRIBE operation on the GROUP resource instead of the READ operation that documented in the official kafka documentation and the KIP-848. This discrepancy can result in misconfigured Access Control Lists (ACLs) and unintended security postures, like granting READ permission to users who should not be able to join/sync groups, or allowing users without READ permission (but with DESCRIBE permission) to access sensitive group metadata.<br><br>The correct permission for CONSUMER_GROUP_DESCRIBE API is DESCRIBE GROUP so the current implementation is correct. However, the kafka documentation as well as the KIP-848 will be updated to reflect the correct permission. We advise the Kafka users to review existing group ACLs to ensure the principle of least privilege.</div><div><br></div>"}],"value":"An improper authorization vulnerability has been identified in Apache Kafka.\n\nThe implementation of the CONSUMER_GROUP_DESCRIBE (69) API validates the DESCRIBE operation on the GROUP resource instead of the READ operation that documented in the official kafka documentation and the KIP-848. This discrepancy can result in misconfigured Access Control Lists (ACLs) and unintended security postures, like granting READ permission to users who should not be able to join/sync groups, or allowing users without READ permission (but with DESCRIBE permission) to access sensitive group metadata.\n\nThe correct permission for CONSUMER_GROUP_DESCRIBE API is DESCRIBE GROUP so the current implementation is correct. However, the kafka documentation as well as the KIP-848 will be updated to reflect the correct permission. We advise the Kafka users to review existing group ACLs to ensure the principle of least privilege."}],"metrics":[{"other":{"content":{"text":"moderate"},"type":"Textual description of severity"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-285","description":"CWE-285 Improper Authorization","lang":"en","type":"CWE"}]}],"providerMetadata":{"dateUpdated":"2026-06-02T08:56:43.636Z","orgId":"f0158376-9dc2-43b6-827c-5f631a4d8d09","shortName":"apache"},"references":[{"tags":["vendor-advisory"],"url":"https://kafka.apache.org/cve-list"}],"source":{"discovery":"UNKNOWN"},"title":"Apache Kafka: Improper Authorization in CONSUMER_GROUP_DESCRIBE API","x_generator":{"engine":"Vulnogram 0.2.0"}}},"cveMetadata":{"assignerOrgId":"f0158376-9dc2-43b6-827c-5f631a4d8d09","assignerShortName":"apache","cveId":"CVE-2026-41115","datePublished":"2026-06-02T08:56:43.636Z","dateReserved":"2026-04-17T03:09:02.257Z","dateUpdated":"2026-06-02T08:56:43.636Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-06-02 10:16:25","lastModifiedDate":"2026-06-02 10:16:25","problem_types":["CWE-285","CWE-285 CWE-285 Improper Authorization"],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"41115","Ordinal":"1","Title":"Apache Kafka: Improper Authorization in CONSUMER_GROUP_DESCRIBE ","CVE":"CVE-2026-41115","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"41115","Ordinal":"1","NoteData":"An improper authorization vulnerability has been identified in Apache Kafka.\n\nThe implementation of the CONSUMER_GROUP_DESCRIBE (69) API validates the DESCRIBE operation on the GROUP resource instead of the READ operation that documented in the official kafka documentation and the KIP-848. This discrepancy can result in misconfigured Access Control Lists (ACLs) and unintended security postures, like granting READ permission to users who should not be able to join/sync groups, or allowing users without READ permission (but with DESCRIBE permission) to access sensitive group metadata.\n\nThe correct permission for CONSUMER_GROUP_DESCRIBE API is DESCRIBE GROUP so the current implementation is correct. However, the kafka documentation as well as the KIP-848 will be updated to reflect the correct permission. We advise the Kafka users to review existing group ACLs to ensure the principle of least privilege.","Type":"Description","Title":"Apache Kafka: Improper Authorization in CONSUMER_GROUP_DESCRIBE "}]}}}