{"id":"CVE-2026-0529","aliases":["EUVD-2026-2519","GHSA-c27p-chmh-jjv6"],"status":"published","title":"Improper Validation of Array Index in Packetbeat Leading to Overflow Buffers","description":"Improper Validation of Array Index (CWE-129) in Packetbeat’s MongoDB protocol parser can allow an attacker to cause Overflow Buffers (CAPEC-100) through specially crafted network traffic. This requires an attacker to send a malformed payload to a monitored network interface where MongoDB protocol parsing is enabled.","severity":{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00226,"percentile":0.13315,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-129"],"published":"2026-01-14T10:09:02Z","modified":"2026-06-17T10:10:53Z","products":[{"vendor":"elastic","product":"packetbeat"}],"references":[{"url":"https://discuss.elastic.co/t/packetbeat-8-19-10-9-1-10-9-2-4-security-update-esa-2026-02/384520"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-0529"},{"url":"https://github.com/advisories/GHSA-c27p-chmh-jjv6"}],"sources":{"cve":[{"id":"CVE-2026-0529","title":"Improper Validation of Array Index in Packetbeat Leading to Overflow Buffers","description":"Improper Validation of Array Index (CWE-129) in Packetbeat’s MongoDB protocol parser can allow an attacker to cause Overflow Buffers (CAPEC-100) through specially crafted network traffic. This requires an attacker to send a malformed payload to a monitored network interface where MongoDB protocol parsing is enabled.","status":"published","published":"2026-01-14T10:09:02.462Z","modified":"2026-01-14T16:31:01.455Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"cna"}],"cwes":["CWE-129"],"updated_at":"2026-11-02T14:20:13.587351Z"}],"euvd":[{"id":"EUVD-2026-2519","description":"Improper Validation of Array Index (CWE-129) in Packetbeat’s MongoDB protocol parser can allow an attacker to cause Overflow Buffers (CAPEC-100) through specially crafted network traffic. This requires an attacker to send a malformed payload to a monitored network interface where MongoDB protocol parsing is enabled.","status":"published","published":"2026-01-14T10:09:02Z","modified":"2026-01-14T16:31:01Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T19:48:51.744142Z"}],"ghsa":[{"id":"GHSA-c27p-chmh-jjv6","title":"Improper Validation of Array Index (CWE-129) in Packetbeat’s MongoDB protocol parser can allow an...","description":"Improper Validation of Array Index (CWE-129) in Packetbeat’s MongoDB protocol parser can allow an attacker to cause Overflow Buffers (CAPEC-100) through specially crafted network traffic. This requires an attacker to send a malformed payload to a monitored network interface where MongoDB protocol parsing is enabled.","status":"published","published":"2026-01-14T12:31:38Z","modified":"2026-01-14T12:31:48Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-129"],"updated_at":"2026-11-02T15:05:36.376178Z"}],"nvd":[{"id":"CVE-2026-0529","description":"Improper Validation of Array Index (CWE-129) in Packetbeat’s MongoDB protocol parser can allow an attacker to cause Overflow Buffers (CAPEC-100) through specially crafted network traffic. This requires an attacker to send a malformed payload to a monitored network interface where MongoDB protocol parsing is enabled.","status":"published","published":"2026-01-14T10:16:08.813Z","modified":"2026-06-17T10:10:53.59Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"secondary"}],"cwes":["CWE-129"],"updated_at":"2026-11-02T14:12:04.066712Z"}]}}