CVE-2026-27654-PoC

CVE-2026-27654 – nginx ngxhttpdavmodule DAV Alias 路径处理 PoC 本仓库为 CVE‑2026‑27654 提供了一个概念验证（PoC）漏洞利用程序，这是 nginx 的 ngxhttpdavmodule 中的一个堆溢出漏洞。该缺陷源于处理带有特制 Destination 标头和基于 alias 的 location 的 MOVE/COPY 请求时发生的 size‑t 下溢。 ⚠️ 免责声明： 本工具仅用于经授权的安全研究和测试 。请仅对您拥有或已获得明确测试许可的系统使用。作者不对滥用行为承担任何责任。 🔥 漏洞概述...

Rocky Linux 9 [CIQ] Security Update: nginx / nginx-all-modules / nginx-core / nginx-core-debuginfo / etc Multiple Vulnerabilities (crlsa-2026_7002)

The Rocky Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-20267002 advisory. nginx: NGINX: Denial of Service or Code Execution via specially crafted MP4 files CVE-2026-32647 NGINX: NGINX: Denial of Service or file modification via...

Rocky Linux 8 [CIQ] Security Update: nginx / nginx-all-modules / nginx-debuginfo / nginx-debugsource / etc Multiple Vulnerabilities (crlsa-2026_6907)

The Rocky Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-20266907 advisory. nginx: NGINX: Denial of Service or Code Execution via specially crafted MP4 files CVE-2026-32647 NGINX: NGINX: Denial of Service or file modification via...

CentOS Linux 7 [TuxCare] Security Update: nginx / nginx-all-modules / nginx-filesystem / nginx-mod-devel / etc Multiple Vulnerabilities (CENTOS7:CLSA-2026:1790172301)

The CentOS Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare CENTOS7:CLSA-2026:1790172301 advisory. - When the ngxmailauthhttpmodule module is enabled on NGINX Plus or NGINX Open Source, undisclosed requests can cause worker processes t...

CentOS Linux 8.4 [TuxCare] Security Update: nginx / nginx-all-modules / nginx-filesystem / etc (CENTOS8.4:CLSA-2026:1777396606)

The CentOS Linux 8.4 host has packages installed that are affected by a vulnerability as referenced in the TuxCare CENTOS8.4:CLSA-2026:1777396606 advisory. - NGINX Open Source and NGINX Plus have a vulnerability in the ngxhttpdavmodule module that might allow an attacker to trigger a buffer...

CentOS Linux 8 [TuxCare] Security Update: nginx / nginx-all-modules / nginx-filesystem / etc Multiple Vulnerabilities (CENTOS-STREAM8:CLSA-2026:1777883924)

The CentOS Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare CENTOS-STREAM8:CLSA-2026:1777883924 advisory. - The HTTP/2 protocol allows a denial of service server resource consumption because request cancellation can reset many streams...

Rocky Linux 9.6 [TuxCare] Security Update: nginx / nginx-all-modules / nginx-core / nginx-filesystem / etc Multiple Vulnerabilities (ALMALINUX9.6:CLSA-2026:1776446328)

The Rocky Linux 9.6 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare ALMALINUX9.6:CLSA-2026:1776446328 advisory. - When the ngxmailauthhttpmodule module is enabled on NGINX Plus or NGINX Open Source, undisclosed requests can cause worker...

nginx:1.24 security update

1.24.0-3.5.0.1 - Remove Red Hat references Orabug: 29498217 1:1.24.0-3.5 - Resolves: RHEL-212457 - nginx:1.24/nginx: NGINX: Arbitrary code execution via crafted HTTP requests CVE-2026-42533 1:1.24.0-3.4 - Resolves: RHEL-217957 - nginx:1.24/nginx: NGINX: Memory disclosure and denial of service in...

nginx security update

1.20.1-28.0.1.el98.6 - Reference oracle-indexhtml within Requires Orabug: 33802044 - Remove Red Hat references Orabug: 29498217 - Update upstream references Orabug: 36579090 2:1.20.1-28.6 - Resolves: RHEL-212458 - nginx: NGINX: Arbitrary code execution via crafted HTTP requests CVE-2026-42533...

CVE-2026-27654-PoC — Updated!

CVE-2026-27654 – nginx ngxhttpdavmodule DAV Alias Path Handling PoC This repository provides a proof‑of‑concept exploit for CVE‑2026‑27654 , a heap‑overflow vulnerability in the ngxhttpdavmodule of nginx. The bug arises from a size‑t underflow when handling MOVE/COPY requests with specially craft...

Oracle Linux 10 : nginx (ELSA-2026-36364)

The remote Oracle Linux 10 host has packages installed that are affected by a vulnerability as referenced in the ELSA-2026-36364 advisory. - Resolves: RHEL-188402 - nginx: NGINX: Arbitrary code execution or. Denial of Service via heap-based buffer overflow with crafted HTTP/2 headers CVE-2026-420...

Oracle Linux 9 : nginx (ELSA-2026-19374)

The remote Oracle Linux 9 host has packages installed that are affected by a vulnerability as referenced in the ELSA-2026-19374 advisory. - Resolves: RHEL-176232 - nginx: NGINX: Arbitrary Code Execution Vulnerability CVE-2026-42945 - RHEL-159560 CVE-2026-27654 nginx: NGINX: Denial of Service or...

Oracle Linux 9 : nginx (ELSA-2026-18029)

The remote Oracle Linux 9 host has packages installed that are affected by a vulnerability as referenced in the ELSA-2026-18029 advisory. - Resolves: RHEL-176230 - nginx: NGINX: Arbitrary Code Execution Vulnerability CVE-2026-42945 - Resolves: RHEL-159557 - CVE-2026-27654 nginx: NGINX: Denial of...

ROS-20260512-73-0005

A vulnerability in the ngxhttpdavmodule module of the NGINX Plus and NGINX Open Source HTTP server is related to a buffer overflow in dynamic memory. Exploitation of the vulnerability could allow an attacker acting remotely to cause a denial of service...

MiracleLinux 8 : nginx:1.24 (AXSA:2026-466:01)

The remote MiracleLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2026-466:01 advisory. nginx: NGINX: Denial of Service or Code Execution via specially crafted MP4 files CVE-2026-32647 NGINX: NGINX: Denial of Service or file modification...

OESA-2026-1907 nginx security update

NGINX is a free, open-source, high-performance HTTP server and reverse proxy, as well as an IMAP/POP3 proxy server. Security Fixes: When the ngxmailauthhttpmodule module is enabled on NGINX Plus or NGINX Open Source, undisclosed requests can cause worker processes to terminate. This issue may occ...

The vulnerability of the ngx_http_dav_module module in NGINX Plus and NGINX Open Source servers allows a hacker to cause a service failure.

The vulnerability of the ngxhttpdavmodule module in NGINX Plus and NGINX Open Source servers is related to buffer overflow in dynamic memory. Exploiting this vulnerability can allow a malicious actor to cause service interruptions...

NGINX ngx_http_dav_module vulnerability

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CVE-2026-27654: Heap-based Buffer Overflow

NGINX Open Source and NGINX Plus have a vulnerability in the ngxhttpdavmodule module that might allow an attacker to trigger a buffer overflow to the NGINX worker process; this vulnerability may result in termination of the NGINX worker process or modification of source or destination file names...