{"id":"CVE-2026-26932","summary":"Improper Validation of Array Index in Packetbeat Leading to Denial of Service","details":"Improper Validation of Array Index (CWE-129) in the PostgreSQL protocol parser in Packetbeat can lead Denial of Service via Input Data Manipulation (CAPEC-153). An attacker can send a specially crafted packet causing a Go runtime panic that terminates the Packetbeat process. This vulnerability requires the pgsql protocol to be explicitly enabled and configured to monitor traffic on the targeted port.","modified":"2026-08-12T03:51:43.163209072Z","published":"2026-02-26T16:59:55.310Z","database_specific":{"cna_assigner":"elastic","cwe_ids":["CWE-129"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/26xxx/CVE-2026-26932.json","unresolved_ranges":[{"source":"AFFECTED_FIELD","extracted_events":[{"introduced":"9.0.0"},{"last_affected":"9.2.4"},{"introduced":"8.0.0"},{"last_affected":"8.19.10"}]}]},"references":[{"type":"WEB","url":"https://discuss.elastic.co/t/packetbeat-8-19-11-9-2-5-security-update-esa-2026-10/385247"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/26xxx/CVE-2026-26932.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-26932"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/elastic/beats","events":[{"introduced":"2ab3a7334016f570e0bfc7e9a577a35a22e02df5"},{"fixed":"18eaf5054451b6c86268efd4eb50517c26471e1f"},{"introduced":"42a721c925857c0d1f4160c977eb5f188e46d425"},{"fixed":"090edf6777335b72756841fc32203573a0cc1073"}],"database_specific":{"source":"CPE_RANGE","cpe":"cpe:2.3:a:elasticsearch:packetbeat:*:*:*:*:*:*:*:*","extracted_events":[{"introduced":"8.0.0"},{"fixed":"8.19.11"},{"introduced":"9.0.0"},{"fixed":"9.2.5"}]}}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-26932.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"}]}