{"schema_version":1,"title":"NGINX Open Source vulnerabilities","summary":"Junglewise Threat Intelligence has tracked 10 vulnerabilities in NGINX Open Source: 0 in the last 7 days and 1 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2026-90439, was published on 15 September 2026.","url":"https://junglewise.ai/threats/technologies/open-source","json_url":"https://junglewise.ai/threats/technologies/open-source.json","publisher":"Junglewise Threat Intelligence","license":"CC-BY-4.0","license_url":"https://creativecommons.org/licenses/by/4.0/","attribution":"Junglewise Threat Intelligence, https://junglewise.ai/threats/technologies/open-source","sources":"NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories","kind":"technology","counts":{"high":5,"all_time":10,"critical":0,"exploited":0,"last_7_days":0,"last_30_days":1,"last_90_days":1,"last_365_days":10},"latest":[{"cve":"CVE-2026-90439","cvss":6.5,"epss":0.0043,"slug":"cve-2026-90439-nginx-plus-and-open-source-http-3-heap-buffer-overflow-in-tls","title":"NGINX Plus and Open Source HTTP/3 heap buffer overflow in TLS handshake","severity":"medium","exploited":false,"published_at":"2026-09-15T15:17:27.023+00:00","url":"https://junglewise.ai/threats/cve-2026-90439-nginx-plus-and-open-source-http-3-heap-buffer-overflow-in-tls"},{"cve":"CVE-2026-42945","cvss":8.1,"epss":0.0027,"slug":"cve-2026-42945-nginx-heap-buffer-overflow-in-ngx-http-rewrite-module","title":"NGINX heap buffer overflow in ngx_http_rewrite_module","severity":"high","exploited":false,"published_at":"2026-05-13T16:16:50.19+00:00","url":"https://junglewise.ai/threats/cve-2026-42945-nginx-heap-buffer-overflow-in-ngx-http-rewrite-module"},{"cve":"CVE-2026-42934","cvss":4.8,"epss":0.0072,"slug":"cve-2026-42934-f5-nginx-heap-buffer-over-read-in-ngx-http-charset-module","title":"F5 NGINX heap buffer over-read in ngx_http_charset_module","severity":"medium","exploited":false,"published_at":"2026-05-13T16:16:49.91+00:00","url":"https://junglewise.ai/threats/cve-2026-42934-f5-nginx-heap-buffer-over-read-in-ngx-http-charset-module"},{"cve":"CVE-2026-42926","cvss":5.8,"epss":0.0033,"slug":"cve-2026-42926-f5-nginx-open-source-header-injection-in-http-2-proxying","title":"F5 NGINX Open Source header injection in HTTP/2 proxying","severity":"medium","exploited":false,"published_at":"2026-05-13T16:16:49.64+00:00","url":"https://junglewise.ai/threats/cve-2026-42926-f5-nginx-open-source-header-injection-in-http-2-proxying"},{"cve":"CVE-2026-40701","cvss":4.8,"epss":0.0068,"slug":"cve-2026-40701-f5-nginx-heap-use-after-free-in-ngx-http-ssl-module","title":"F5 NGINX heap-use-after-free in ngx_http_ssl_module","severity":"medium","exploited":false,"published_at":"2026-05-13T16:16:43.863+00:00","url":"https://junglewise.ai/threats/cve-2026-40701-f5-nginx-heap-use-after-free-in-ngx-http-ssl-module"},{"cve":"CVE-2026-40460","cvss":6.5,"epss":0.0039,"slug":"cve-2026-40460-f5-nginx-ip-address-spoofing-in-http-3-quic-module","title":"F5 NGINX IP address spoofing in HTTP/3 QUIC module","severity":"medium","exploited":false,"published_at":"2026-05-13T16:16:42.823+00:00","url":"https://junglewise.ai/threats/cve-2026-40460-f5-nginx-ip-address-spoofing-in-http-3-quic-module"},{"cve":"CVE-2026-32647","cvss":7.8,"epss":0.0033,"slug":"cve-2026-32647-nginx-open-source-and-plus-buffer-overflow-in-ngx-http-mp4-module","title":"NGINX Open Source and Plus buffer overflow in ngx_http_mp4_module","severity":"high","exploited":false,"published_at":"2026-03-24T15:16:34.667+00:00","url":"https://junglewise.ai/threats/cve-2026-32647-nginx-open-source-and-plus-buffer-overflow-in-ngx-http-mp4-module"},{"cve":"CVE-2026-27784","cvss":7.8,"epss":0.0029,"slug":"cve-2026-27784-nginx-open-source-memory-corruption-in-ngx-http-mp4-module","title":"NGINX Open Source memory corruption in ngx_http_mp4_module","severity":"high","exploited":false,"published_at":"2026-03-24T15:16:33.35+00:00","url":"https://junglewise.ai/threats/cve-2026-27784-nginx-open-source-memory-corruption-in-ngx-http-mp4-module"},{"cve":"CVE-2026-27654","cvss":8.2,"epss":0.0787,"slug":"cve-2026-27654-nginx-buffer-overflow-in-ngx-http-dav-module","title":"NGINX buffer overflow in ngx_http_dav_module","severity":"high","exploited":false,"published_at":"2026-03-24T15:16:33.13+00:00","url":"https://junglewise.ai/threats/cve-2026-27654-nginx-buffer-overflow-in-ngx-http-dav-module"},{"cve":"CVE-2026-27651","cvss":7.5,"epss":0.0053,"slug":"cve-2026-27651-nginx-null-pointer-dereference-in-ngx-mail-auth-http-module","title":"NGINX NULL pointer dereference in ngx_mail_auth_http_module","severity":"high","exploited":false,"published_at":"2026-03-24T15:16:32.91+00:00","url":"https://junglewise.ai/threats/cve-2026-27651-nginx-null-pointer-dereference-in-ngx-mail-auth-http-module"}],"weekly":[{"week":"2026-06-29","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-06","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-13","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-20","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-27","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-03","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-10","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-17","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-24","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-31","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-07","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-14","critical":0,"exploited":0,"vulnerabilities":1},{"week":"2026-09-21","critical":0,"exploited":0,"vulnerabilities":0}],"related":[],"technology":{"hub":true,"name":"NGINX Open Source","slug":"open-source","vendor":{"name":"NGINX","slug":"nginx","url":"https://junglewise.ai/threats/vendors/nginx"},"aliases":["nginx-open-source"],"category":"web-server","homepage":"https://nginx.org/","repo_url":"https://github.com/nginx/nginx","description":"NGINX Open Source is an open-source HTTP server and reverse proxy.","url":"https://junglewise.ai/threats/technologies/open-source"},"most_severe":[{"cve":"CVE-2026-27654","cvss":8.2,"epss":0.0787,"slug":"cve-2026-27654-nginx-buffer-overflow-in-ngx-http-dav-module","title":"NGINX buffer overflow in ngx_http_dav_module","severity":"high","exploited":false,"published_at":"2026-03-24T15:16:33.13+00:00","url":"https://junglewise.ai/threats/cve-2026-27654-nginx-buffer-overflow-in-ngx-http-dav-module"},{"cve":"CVE-2026-42945","cvss":8.1,"epss":0.0027,"slug":"cve-2026-42945-nginx-heap-buffer-overflow-in-ngx-http-rewrite-module","title":"NGINX heap buffer overflow in ngx_http_rewrite_module","severity":"high","exploited":false,"published_at":"2026-05-13T16:16:50.19+00:00","url":"https://junglewise.ai/threats/cve-2026-42945-nginx-heap-buffer-overflow-in-ngx-http-rewrite-module"},{"cve":"CVE-2026-32647","cvss":7.8,"epss":0.0033,"slug":"cve-2026-32647-nginx-open-source-and-plus-buffer-overflow-in-ngx-http-mp4-module","title":"NGINX Open Source and Plus buffer overflow in ngx_http_mp4_module","severity":"high","exploited":false,"published_at":"2026-03-24T15:16:34.667+00:00","url":"https://junglewise.ai/threats/cve-2026-32647-nginx-open-source-and-plus-buffer-overflow-in-ngx-http-mp4-module"},{"cve":"CVE-2026-27784","cvss":7.8,"epss":0.0029,"slug":"cve-2026-27784-nginx-open-source-memory-corruption-in-ngx-http-mp4-module","title":"NGINX Open Source memory corruption in ngx_http_mp4_module","severity":"high","exploited":false,"published_at":"2026-03-24T15:16:33.35+00:00","url":"https://junglewise.ai/threats/cve-2026-27784-nginx-open-source-memory-corruption-in-ngx-http-mp4-module"},{"cve":"CVE-2026-27651","cvss":7.5,"epss":0.0053,"slug":"cve-2026-27651-nginx-null-pointer-dereference-in-ngx-mail-auth-http-module","title":"NGINX NULL pointer dereference in ngx_mail_auth_http_module","severity":"high","exploited":false,"published_at":"2026-03-24T15:16:32.91+00:00","url":"https://junglewise.ai/threats/cve-2026-27651-nginx-null-pointer-dereference-in-ngx-mail-auth-http-module"},{"cve":"CVE-2026-90439","cvss":6.5,"epss":0.0043,"slug":"cve-2026-90439-nginx-plus-and-open-source-http-3-heap-buffer-overflow-in-tls","title":"NGINX Plus and Open Source HTTP/3 heap buffer overflow in TLS handshake","severity":"medium","exploited":false,"published_at":"2026-09-15T15:17:27.023+00:00","url":"https://junglewise.ai/threats/cve-2026-90439-nginx-plus-and-open-source-http-3-heap-buffer-overflow-in-tls"},{"cve":"CVE-2026-40460","cvss":6.5,"epss":0.0039,"slug":"cve-2026-40460-f5-nginx-ip-address-spoofing-in-http-3-quic-module","title":"F5 NGINX IP address spoofing in HTTP/3 QUIC module","severity":"medium","exploited":false,"published_at":"2026-05-13T16:16:42.823+00:00","url":"https://junglewise.ai/threats/cve-2026-40460-f5-nginx-ip-address-spoofing-in-http-3-quic-module"},{"cve":"CVE-2026-42926","cvss":5.8,"epss":0.0033,"slug":"cve-2026-42926-f5-nginx-open-source-header-injection-in-http-2-proxying","title":"F5 NGINX Open Source header injection in HTTP/2 proxying","severity":"medium","exploited":false,"published_at":"2026-05-13T16:16:49.64+00:00","url":"https://junglewise.ai/threats/cve-2026-42926-f5-nginx-open-source-header-injection-in-http-2-proxying"},{"cve":"CVE-2026-42934","cvss":4.8,"epss":0.0072,"slug":"cve-2026-42934-f5-nginx-heap-buffer-over-read-in-ngx-http-charset-module","title":"F5 NGINX heap buffer over-read in ngx_http_charset_module","severity":"medium","exploited":false,"published_at":"2026-05-13T16:16:49.91+00:00","url":"https://junglewise.ai/threats/cve-2026-42934-f5-nginx-heap-buffer-over-read-in-ngx-http-charset-module"},{"cve":"CVE-2026-40701","cvss":4.8,"epss":0.0068,"slug":"cve-2026-40701-f5-nginx-heap-use-after-free-in-ngx-http-ssl-module","title":"F5 NGINX heap-use-after-free in ngx_http_ssl_module","severity":"medium","exploited":false,"published_at":"2026-05-13T16:16:43.863+00:00","url":"https://junglewise.ai/threats/cve-2026-40701-f5-nginx-heap-use-after-free-in-ngx-http-ssl-module"}],"generated_at":"2026-09-26T09:11:00.170868+00:00"}