CVE-2026-54625 django CMS: Page cache ignores plugin-declared Vary headers (disclosure & poisoning)

django CMS is a content management system powered by Django. Prior to 5.0.8 and in 5.1.0a1, the django CMS page cache in cms/cache/page.py ignores request headers declared by plugins through getvarycacheon. The pagecachekey function includes the cache prefix, site, language, path, and timezone bu...

PT-2026-79093

Name of the Vulnerable Software and Affected Versions django CMS versions prior to 5.0.8 django CMS version 5.1.0a1 Description The page cache in cms/cache/page.py ignores request headers declared by plugins through the get vary cache on function. While the page cache key function includes the...

SUSE CVE-2026-59903

Netty is an asynchronous, event-driven network application framework. Prior to 4.1.137.Final and 4.2.17.Final, io.netty.handler.codec.http.cors.CorsHandler setVaryHeader replaces application Vary headers such as Authorization or Cookie with Origin, allowing a caching proxy or CDN to reuse...

Linux Distros Unpatched Vulnerability : CVE-2026-59903

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Netty is an asynchronous, event-driven network application framework. Prior to 4.1.137.Final and 4.2.17.Final, io.netty.handler.codec.http.cors.CorsHandler...

Netty Vulnerable to Cache Poisoning and Information Disclosure via CORS Vary Header Overwrite

Summary Netty's CorsHandler silently overwrites existing Vary headers, enabling cache poisoning and sensitive information disclosure. Details io.netty.handler.codec.http.cors.CorsHandlersetVaryHeader overwrites any existing Vary headers set by backend applications. java private static void...

Use of Cache Containing Sensitive Information

Overview io.netty:netty-codec-http is a network application framework for rapid development of maintainable high performance protocol servers & clients. Affected versions of this package are vulnerable to Use of Cache Containing Sensitive Information due to the setVaryHeader method in...

GHSA-8C42-7QJ2-3J46 Netty Vulnerable to Cache Poisoning and Information Disclosure via CORS Vary Header Overwrite

Summary Netty's CorsHandler silently overwrites existing Vary headers, enabling cache poisoning and sensitive information disclosure. Details io.netty.handler.codec.http.cors.CorsHandlersetVaryHeader overwrites any existing Vary headers set by backend applications. java private static void...

DEBIAN-CVE-2026-59903

Netty is an asynchronous, event-driven network application framework. Prior to 4.1.137.Final and 4.2.17.Final, io.netty.handler.codec.http.cors.CorsHandler setVaryHeader replaces application Vary headers such as Authorization or Cookie with Origin, allowing a caching proxy or CDN to reuse...

CVE-2026-59903

Netty is an asynchronous, event-driven network application framework. Prior to 4.1.137.Final and 4.2.17.Final, io.netty.handler.codec.http.cors.CorsHandler setVaryHeader replaces application Vary headers such as Authorization or Cookie with Origin, allowing a caching proxy or CDN to reuse...

CVE-2026-59903

Netty is an asynchronous, event-driven network application framework. Prior to 4.1.137.Final and 4.2.17.Final, io.netty.handler.codec.http.cors.CorsHandler setVaryHeader replaces application Vary headers such as Authorization or Cookie with Origin, allowing a caching proxy or CDN to reuse...

CVE-2026-59903

Netty is an asynchronous, event-driven network application framework. Prior to 4.1.137.Final and 4.2.17.Final, io.netty.handler.codec.http.cors.CorsHandler setVaryHeader replaces application Vary headers such as Authorization or Cookie with Origin, allowing a caching proxy or CDN to reuse...

CVE-2026-59903 Netty: Cache Poisoning and Information Disclosure via CORS Vary Header Overwrite

Netty is an asynchronous, event-driven network application framework. Prior to 4.1.137.Final and 4.2.17.Final, io.netty.handler.codec.http.cors.CorsHandler setVaryHeader replaces application Vary headers such as Authorization or Cookie with Origin, allowing a caching proxy or CDN to reuse...

CVE-2026-59903 Netty: Cache Poisoning and Information Disclosure via CORS Vary Header Overwrite

Netty is an asynchronous, event-driven network application framework. Prior to 4.1.137.Final and 4.2.17.Final, io.netty.handler.codec.http.cors.CorsHandler setVaryHeader replaces application Vary headers such as Authorization or Cookie with Origin, allowing a caching proxy or CDN to reuse...

EUVD-2026-60318

Netty is an asynchronous, event-driven network application framework. Prior to 4.1.137.Final and 4.2.17.Final, io.netty.handler.codec.http.cors.CorsHandler setVaryHeader replaces application Vary headers such as Authorization or Cookie with Origin, allowing a caching proxy or CDN to reuse...

CVE-2026-59903

The Netty network application framework is vulnerable to cache poisoning and information disclosure due to how the CorsHandler manages headers. Specifically, the setVaryHeader method in io.netty.handler.codec.http.cors.CorsHandler replaces existing Vary headers (such as Authorization or Cookie) w...

PT-2026-76751

Name of the Vulnerable Software and Affected Versions Netty versions prior to 4.1.137.Final Netty versions prior to 4.2.17.Final Description The io.netty.handler.codec.http.cors.CorsHandler contains an issue where the setVaryHeader function replaces existing application Vary headers, such as...

Unity Linux 20.1070e Security Update: python-django (UTSA-2026-099506)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-099506 advisory. An issue was discovered in Django 5.2 before 5.2.15 and 6.0 before 6.0.6. django.middleware.cache.UpdateCacheMiddleware in Django does not add Authorization to the...

Unity Linux 20.1070e Security Update: python-django (UTSA-2026-099501)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-099501 advisory. An issue was discovered in Django 5.2 before 5.2.15 and 6.0 before 6.0.6. django.utils.cache.hasvaryheader in Django does not strip leading or trailing whitespace fr...

CVE-2026-71391 Off-by-One Error in GNU Emacs for Android

GNU Emacs for Android contains an off-by-one error in the gvar table parser in src/sfnt.c. The shared-coordinate index boundary check in sfntvarysimpleglyph and sfntvarycompoundglyph uses a strict greater-than comparison instead of greater-than-or-equal, allowing a crafted TrueType variable font ...

CVE-2025-71381

A flaw was found in Hono's Cross-Origin Resource Sharing CORS middleware. When the origin is not set to a wildcard, the middleware improperly copies the Vary header from incoming requests into the response. This allows an attacker to inject arbitrary Vary values, potentially leading to cache key...