CVE-2026-42055
F5 NGINX Open Source, NGINX Plus 취약점
- 대응 우선순위
- 점검
- CVSS
- 9.2
- EPSS
- 1.82% 백분위 76.1% · 2026.06.27 기준
- CISA KEV
- 미등록
- 조치 기한
- -
- 공개일
- 2026.06.18
CVSS 위험도가 높아 영향 여부를 우선 점검할 취약점
NGINX Plus and NGINX Open Source have a vulnerability in the ngx_http_proxy_v2_module and ngx_http_grpc_module modules. This vulnerability exists when the proxy_http_version to 2 or grpc_pass directives are used to proxy HTTP/2 traffic, the ignore_invalid_headers directive is set to off, and the large_client_header_buffers directive size is larger than 2 megabytes. A remote, unauthenticated attacker, along with conditions beyond their control, could send large headers while creating an upstream request. This may cause a heap-based buffer overflow in the NGINX worker process leading to a res...
공급사 F5
제품 NGINX Open Source, NGINX Plus
영향 버전 1.13.10, 1.30.2, 37.0, R36
수정 버전 공식 출처에서 확인 필요
CVSS 벡터 CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CWE CWE-122
EPSS 데이터 기준일 2026.06.27