CVE-2021-23017-POC

CVE-2021-23017-POC nginx 리졸버에서 보안 문제가 확인되었습니다. 이 문제는 DNS 서버로부터 UDP 패킷을 위조할 수 있는 공격자가 1바이트 메모리 덮어쓰기를 유발하여 작업자 프로세스 충돌 또는 기타 영향을 초래할 수 있습니다. 이 문제는 구성 파일에서 "resolver" 지시문이 사용되는 경우에만 nginx에 영향을 미칩니다. 또한, 공격은 공격자가 DNS 서버로부터 UDP 패킷을 위조할 수 있는 경우에만 가능합니다...

NGINX-ngx_http_rewrite_module-heap-buffer-overflow-CVE-2026-9256

CVE-2026-9256 NGINX ngxhttprewritemodule PoC 유도 과정과 고찰 적용 범위: 로컬 실습 환경, 승인된 재현 환경, 취약점 검증 및 보호 규칙 분석에만 사용합니다. 승인되지 않은 대상에는 사용하지 마십시오. 본 문서의 PoC 아이디어는 원격에서 관찰 가능한 NGINX worker crash 동작만 검증하며, RCE, ASLR 우회 또는 안정적인 익스플로잇 체인을 포함하지 않습니다. 1. 취약점 배경 CVE-2026-9256은 NGINX ngxhttprewritemodule의 힙 버퍼 오버플로우...

CVE-2026-23918-Apache-H2-PoC

CVE-2026-23918-Apache-H2-PoC これはApacheのmodhttp2（CVE-2026-23918）におけるdouble-free脆弱性の概念実証エクスプロイトです。h2mplx.cのストリームクリーンアップパスに影響する厄介なバグです。 基本的に、タイミングをうまく合わせれば、サーバーに同じストリームを2回クリーンアップさせることができ、通常はSIGSEGVとワーカークラッシュを引き起こします。 法的な注意事項...

CVE-2026-107294

Pydantic AI is a Python agent framework for building applications and workflows with Generative AI. From 1.77.0 until 1.107.2 and 2.24.0, webfetchtool, the WebFetch local fallback, and remote FileUrl media downloads buffer the complete HTTP response body before enforcing content-size controls. An...

CVE-2026-42945

CVE-2026-42945 PoC（Go） 한국어 | English nginx HTTP/2 구현CVE-2026-42945 에 대한 탐지 및 익스플로잇 보조 도구로, 승인된 환경 에서 취약점 존재 여부 확인, 패치 효과 대조, 제어 가능한 실험 환경에서 PoC 동작 재현을 위해 사용됩니다. 영향받는 버전대략: nginx 0.6.27 – 1.30.0 ; 1.30.1+ / 1.31.0+ 에서 수정됨. ⚠️ 면책 조항 반드시 읽어주세요 본 저장소는 보안 연구, 취약점 검증 및 방어적 테스트 목적으로만 제공됩니다. 1. 합법적 권한 :...

fix_nginx_cve_2026_42945

NGINX CVE-2026-42945 원클릭 복구 스크립트 자동으로 시스템 배포판을 감지하여 NGINX를 수정 버전≥1.30.1으로 업그레이드하고, 설정을 백업하며 자동 롤백을 수행합니다. 취약점 설명 취약점 번호： CVE-2026-42945 취약점 이름：NGINX Rift NGINX가 특정 rewrite 리디렉션 규칙을 처리할 때 요청 콘텐츠 길이 계산이 실제 쓰기와 일치하지 않습니다. 공격자는 악의적인 요청을 구성하여 메모리 손상을 유발하고, 작업자 프로세스를 충돌시키거나 원격 코드 실행을 초래할 수 있습니다. 영향받는 버...

CVE-2026-42536-PoC

CVE-2026-42536: Apache HTTP Server modxml2enc ヒープオーバーフロー PoC この PoC コードは https://erberkan.github.io/2026/PatchDiffingandN-DayDefense/ のブログ記事の一部です。 このリポジトリには、Apache HTTP Server の modxml2enc モジュールにおけるヒープベースの境界外書き込みである CVE-2026-42536 の制御された概念実証が含まれています。Apache HTTP Server のバージョン 2.4.0 から 2.4.67...

CVE-2021-26690---Apache-mod_session

CVE-2021-26690 のパッチ差分解析 - Apache modsession この脆弱性は、Apache の modsession モジュール内の NULL ポインタ参照です。 これにより、Apache httpd の子プロセスに対するサービス拒否が発生します。 繰り返しループを使用することで、各 Apache ワーカーがクラッシュし、Webサイトに接続している、または接続しようとしているすべてのクライアントに対してサービス拒否が発生します。 この脆弱性は、@antonio-morales によって最初に発見されました。...

CVE-2026-100651

A flaw was found in vLLM. The service fails to properly enforce length limits on input prompts when handling certain multimodal inference requests. A remote attacker with access to the inference service could exploit this vulnerability by submitting an excessively long prompt, causing an internal...

CVE-2026-48521

Envoy versions prior to 1.36.10, 1.37.6, 1.38.4, and 1.39.1 contain a null pointer dereference (CWE-476) in ProdClusterManagerFactory::allocateConnPool during HTTP/3 connection pool selection. When auto_config and HTTP/3 are enabled, certain LoadBalancerContext implementations used by synthetic, ...

EUVD-2026-84109

Envoy is an open source edge and service proxy designed for cloud-native applications. Prior to 1.36.10, 1.37.6, 1.38.4, and 1.39.1, Envoy's ProdClusterManagerFactory::allocateConnPool dereferences transportsocketoptions while selecting an HTTP/3 connection pool without first checking whether the...

CVE-2026-48521 Envoy: HTTP/3 connection pool selection null-derefs in ProdClusterManagerFactory::allocateConnPool when transport_socket_options is null

Envoy is an open source edge and service proxy designed for cloud-native applications. Prior to 1.36.10, 1.37.6, 1.38.4, and 1.39.1, Envoy's ProdClusterManagerFactory::allocateConnPool dereferences transportsocketoptions while selecting an HTTP/3 connection pool without first checking whether the...

CVE-2026-48521 Envoy: HTTP/3 connection pool selection null-derefs in ProdClusterManagerFactory::allocateConnPool when transport_socket_options is null

Envoy is an open source edge and service proxy designed for cloud-native applications. Prior to 1.36.10, 1.37.6, 1.38.4, and 1.39.1, Envoy's ProdClusterManagerFactory::allocateConnPool dereferences transportsocketoptions while selecting an HTTP/3 connection pool without first checking whether the...

SUSE CVE-2026-57173

vLLM is an inference and serving engine for large language models. Prior to 0.24.0, the inputaudio handling path for /v1/chat/completions calls AudioMediaIO.loadbytes or AudioMediaIO.loadfile without passing VLLMMAXAUDIODECODEDURATIONS to the shared audio decoder. An unauthenticated client can...

CVE-2026-57173

vLLM is an inference and serving engine for large language models. Prior to 0.24.0, the inputaudio handling path for /v1/chat/completions calls AudioMediaIO.loadbytes or AudioMediaIO.loadfile without passing VLLMMAXAUDIODECODEDURATIONS to the shared audio decoder. An unauthenticated client can...

CVE-2026-57173: Allocation of Resources Without Limits or Throttling

vLLM is an inference and serving engine for large language models. Prior to 0.24.0, the inputaudio handling path for /v1/chat/completions calls AudioMediaIO.loadbytes or AudioMediaIO.loadfile without passing VLLMMAXAUDIODECODEDURATIONS to the shared audio decoder. An unauthenticated client can...

CVE-2026-89020 MikroTik RouterOS Stack Buffer Overflow via TFTP URL Path

MikroTik RouterOS before 7.23.4 long-term and 7.24.2 stable contains a stack-based buffer overflow vulnerability in the mtget binary's TFTP RRQ builder function that allows authenticated users to crash the mtget worker process by supplying a URL path of 507 bytes or more to the /tool fetch comman...

Astra Linux – Vulnerability in Samba

A Type Confusion vulnerability was discovered in Samba’s mdssvc RPC service for Spotlight. When parsing Spotlight mdssvc RPC packets, one encoded data structure is a key-value style dictionary, where the keys are character strings, and the values can be any of the supported types in the mdssvc...

CVE-2026-13417

Mattermost Boards plugin denial of service vulnerability in versions 11.9.x ≤ 11.9.0 , 11.8.x ≤ 11.8.4 , 11.7.x ≤ 11.7.7 , and 10.11.x ≤ 10.11.22 . The plugin fails to validate the type of fields.properties on block creation, allowing an authenticated user with editor access to a board to crash t...

CVE-2026-13417 Boards plugin denial of service via unvalidated block fields.properties

Mattermost versions 11.9.x = 11.9.0, 11.8.x = 11.8.4, 11.7.x = 11.7.7, 10.11.x = 10.11.22 fail to validate the type of fields.properties on block creation which allows an authenticated user with editor access to a board to crash the Boards plugin worker and trigger a denial of service via a child...