{"id":"CVE-2026-26932","aliases":["EUVD-2026-8864","GHSA-fg9r-q7mv-mcrw"],"status":"published","title":"Improper Validation of Array Index in Packetbeat Leading to Denial of Service","description":"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.","severity":{"version":"3.1","score":5.7,"vector":"CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00508,"percentile":0.43736,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-129"],"published":"2026-02-26T16:59:55Z","modified":"2026-10-28T02:30:37Z","products":[{"vendor":"elastic","product":"packetbeat"},{"vendor":"elasticsearch","product":"packetbeat"}],"references":[{"url":"https://discuss.elastic.co/t/packetbeat-8-19-11-9-2-5-security-update-esa-2026-10/385247","tags":["Vendor Advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-26932","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-fg9r-q7mv-mcrw"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/26xxx/CVE-2026-26932.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2026-26932","title":"Improper Validation of Array Index in Packetbeat Leading to Denial of Service","description":"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.","status":"published","published":"2026-02-26T16:59:55.31Z","modified":"2026-02-26T18:28:12.222Z","cvss":[{"version":"3.1","score":5.7,"vector":"CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"cna"}],"cwes":["CWE-129"],"updated_at":"2026-11-02T13:38:20.971157Z"}],"euvd":[{"id":"EUVD-2026-8864","description":"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.","status":"published","published":"2026-02-26T16:59:55Z","modified":"2026-02-26T18:28:12Z","cvss":[{"version":"3.1","score":5.7,"vector":"CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T19:48:17.446722Z"}],"ghsa":[{"id":"GHSA-fg9r-q7mv-mcrw","title":"Improper Validation of Array Index (CWE-129) in the PostgreSQL protocol parser in Packetbeat can...","description":"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.","status":"published","published":"2026-02-26T18:31:41Z","modified":"2026-02-26T18:31:48Z","cvss":[{"version":"3.1","score":5.7,"vector":"CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-129"],"updated_at":"2026-11-02T15:06:23.326773Z"}],"nvd":[{"id":"CVE-2026-26932","description":"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.","status":"published","published":"2026-02-26T18:23:07.47Z","modified":"2026-06-17T10:26:24.597Z","cvss":[{"version":"3.1","score":5.7,"vector":"CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"secondary"},{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary"}],"cwes":["CWE-129"],"updated_at":"2026-11-02T14:12:07.027269Z"}],"osv":[{"id":"CVE-2026-26932","title":"Improper Validation of Array Index in Packetbeat Leading to Denial of Service","description":"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.","status":"published","published":"2026-02-26T16:59:55.31Z","modified":"2026-10-28T02:30:37.31970062Z","cvss":[{"version":"3.1","score":5.7,"vector":"CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-129"],"updated_at":"2026-11-02T15:44:59.80315Z"}]}}