RHSA-2026:29874 Red Hat Security Advisory: nginx security update

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ROS-20260626-73-0040

The vulnerability of the ngxquicmodule module in NGINX Plus and NGINX Open Source web servers relates to the bypassing of authentication processes through spoofing. Exploiting this vulnerability can allow a malicious actor to cause service failures remotely...

ROS-20260626-73-0021

The vulnerability of the ngxhttprewritemodule module in NGINX Plus and NGINX Open Source web servers is related to buffer overflow in dynamic memory. Exploiting this vulnerability allows a remote attacker to execute arbitrary code...

Oracle Linux 9 : nginx:1.26 (ELSA-2026-29151)

The remote Oracle Linux 9 host has packages installed that are affected by a vulnerability as referenced in the ELSA-2026-29151 advisory. - nginx: code execution and denial of service CVE-2026-9256 - Resolves: RHEL-176218 - nginx:1.26/nginx: NGINX: Arbitrary Code Execution Vulnerability...

Oracle Linux 9 : nginx:1.26 (ELSA-2026-19372)

The remote Oracle Linux 9 host has packages installed that are affected by a vulnerability as referenced in the ELSA-2026-19372 advisory. - Resolves: RHEL-176218 - nginx:1.26/nginx: NGINX: Arbitrary Code Execution Vulnerability CVE-2026-42945 - CVE-2026-32647 nginx:1.26/nginx: NGINX: Denial of...

AlmaLinux 10 : nginx (ALSA-2026:29874)

The remote AlmaLinux 10 host has packages installed that are affected by a vulnerability as referenced in the ALSA-2026:29874 advisory. nginx: ngxhttprewritemodule: code execution and denial of service CVE-2026-9256 Tenable has extracted the preceding description block directly from the AlmaLinux...

RockyLinux 10 : nginx (RLSA-2026:29874)

The remote RockyLinux 10 host has packages installed that are affected by a vulnerability as referenced in the RLSA-2026:29874 advisory. nginx: ngxhttprewritemodule: code execution and denial of service CVE-2026-9256 Tenable has extracted the preceding description block directly from the RockyLin...

RHEL 10 : nginx (RHSA-2026:29874)

The remote Redhat Enterprise Linux 10 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2026:29874 advisory. nginx is a web and proxy server supporting HTTP and other protocols, with a focus on high concurrency, performance, and low memory usage. Security...

SUSE SLES16 Security Update : nginx (SUSE-SU-2026:22178-1)

The remote SUSE Linux SLES16 / SLESSAP16 host has packages installed that are affected by a vulnerability as referenced in the SUSE-SU-2026:22178-1 advisory. This update for nginx fixes the following issue - CVE-2026-9256: heap buffer overflow in the ngxhttprewritemodule when using a configuratio...

Fedora 44 : nginx / nginx-mod-brotli / nginx-mod-fancyindex / etc (2026-b8e751787c)

The remote Fedora 44 host has packages installed that are affected by multiple vulnerabilities as referenced in the FEDORA-2026-b8e751787c advisory. nginx-mod-brotli: - Rebuild for 1.30.3 nginx-mod-fancyindex: - Rebuild for 1.30.3 nginx-mod-vts: - Rebuild for 1.30.3 nginx-mod-modsecurity: - Rebui...

Fedora 43 : nginx / nginx-mod-brotli / nginx-mod-fancyindex / etc (2026-9d7328702e)

The remote Fedora 43 host has packages installed that are affected by multiple vulnerabilities as referenced in the FEDORA-2026-9d7328702e advisory. nginx-mod-headers-more: - Rebuild for 1.30.3 nginx-mod-brotli: - Rebuild for 1.30.3 nginx-mod-vts: - Rebuild for 1.30.3 nginx-mod-modsecurity: -...

AlmaLinux 9 : nginx:1.26 (ALSA-2026:29151)

The remote AlmaLinux 9 host has packages installed that are affected by a vulnerability as referenced in the ALSA-2026:29151 advisory. nginx: ngxhttprewritemodule: code execution and denial of service CVE-2026-9256 Tenable has extracted the preceding description block directly from the AlmaLinux...

AlmaLinux 9 : nginx:1.24 (ALSA-2026:28212)

The remote AlmaLinux 9 host has packages installed that are affected by a vulnerability as referenced in the ALSA-2026:28212 advisory. nginx: ngxhttprewritemodule: code execution and denial of service CVE-2026-9256 Tenable has extracted the preceding description block directly from the AlmaLinux...

ROS-20260626-73-0020

The vulnerability of the ngxhttprewritemodule module in NGINX Plus and NGINX Open Source web servers is related to buffer overflows in dynamic memory. Exploiting this vulnerability allows a malicious actor to execute arbitrary code or cause a denial-of-service attack by sending a specially crafte...

GO-2026-5733 Nginx-UI: Disabled users retain full API access through previously issued bearer tokens in github.com/0xJacky/Nginx-UI

Nginx-UI: Disabled users retain full API access through previously issued bearer tokens in github.com/0xJacky/Nginx-UI...

GO-2026-5719 Nginx-UI has Server-Side Request Forgery (SSRF) via Cluster Proxy Middleware that Allows Access to Internal Services in github.com/0xJacky/Nginx-UI

Nginx-UI has Server-Side Request Forgery SSRF via Cluster Proxy Middleware that Allows Access to Internal Services in github.com/0xJacky/Nginx-UI...

GO-2026-5521 Nginx-UI: Unauthenticated first-boot instance claim via POST /api/install allows remote bootstrap takeover in github.com/0xJacky/nginx-ui

Nginx-UI: Unauthenticated first-boot instance claim via POST /api/install allows remote bootstrap takeover in github.com/0xJacky/nginx-ui...

GO-2026-5565 Nginx-UI Settings API Exposes Protected Secrets in github.com/0xJacky/nginx-ui

Nginx-UI Settings API Exposes Protected Secrets in github.com/0xJacky/nginx-ui. NOTE: The source advisory for this report contains additional versions that could not be automatically mapped to standard Go module versions. If this is causing false-positive reports from vulnerability scanners, plea...

GO-2026-5412 Nginx-UI: Unauthenticated First-Run Installer Allows Remote Initial Admin Claim in github.com/0xJacky/Nginx-UI

Nginx-UI: Unauthenticated First-Run Installer Allows Remote Initial Admin Claim in github.com/0xJacky/Nginx-UI. NOTE: The source advisory for this report contains additional versions that could not be automatically mapped to standard Go module versions. If this is causing false-positive reports...

CVE-2026-42055

A flaw was found in NGINX. When NGINX is configured to proxy HTTP/2 traffic using the ngxhttpproxyv2module or ngxhttpgrpcmodule with specific settings, a remote, unauthenticated attacker can send specially crafted large headers. This can trigger a heap-based buffer overflow, leading to a restart ...