{"id":"CVE-2026-41727","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-41727","generatedAt":"2026-10-28T03:28:44.430Z","title":"Spring Kafka's retry topic infrastructure did not sufficiently validate user-controlled header values before acting on them.","description":"Spring Kafka's retry topic infrastructure did not sufficiently validate user-controlled header values before acting on them. A producer could send a record with a crafted retry_topic-attempts header to supply an out-of-range attempt count and cause the retry topic router to misidentify where the message was in the retry sequence.\n\nAffected versions:\nSpring for Apache Kafka 4.0.0 through 4.0.5; 3.3.0 through 3.3.15; 3.2.0 through 3.2.13; 2.9.0 through 2.9.13; 2.8.0 through 2.8.11.","published":"2026-06-10T00:16:52.000Z","lastModified":"2026-07-23T09:10:00.000Z","status":"Analyzed","sourceIdentifier":"security@vmware.com","cvss":{"version":"3.1","score":6.5,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"},"cwe":["CWE-20"],"affected":["vmware/spring for apache kafka"],"epss":{"score":0.0024,"percentile":0.14954,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (0.24%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"https://spring.io/security/cve-2026-41727","tags":["Vendor Advisory"],"source":"security@vmware.com"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-41727","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}