CVE-2026-77360

oRPC is a tool for building type-safe APIs adhering to OpenAPI standards. Prior to 1.14.8 , the @orpc/server CORS plugin (packages/server/src/plugins/cors.ts) copies a client's incoming Vary request header into the response instead of controlling Vary as a response-only header and using Origin fo...

CVE-2026-77360 oRPC: Vary Header Injection in CORS Plugin leading to potential Cache/CORS Bypass

oRPC is an tool that helps build APIs that are end-to-end type-safe and adhere to OpenAPI standards. Prior to 1.14.8, the @orpc/server CORS plugin in packages/server/src/plugins/cors.ts copies a client's incoming Vary request header into the response instead of controlling Vary as a response-only...

PT-2026-93900

Name of the Vulnerable Software and Affected Versions oRPC versions prior to 1.14.8 Description The CORS plugin in the @orpc/server package, specifically within packages/server/src/plugins/cors.ts, incorrectly copies the Vary request header from the client directly into the response. The Vary...

Astra Linux – Vulnerability in Firefox

By using iterative requests, an attacker was able to determine the size of an opaque response, as well as the contents of a Vary header provided by the server. This vulnerability affects Firefox versions earlier than 119...

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

SummaryThe CMS page cache key ignores the request headers that plugins declare via getvarycacheon. The header is added to the response Vary header, but the CMS's own cache key does not incorporate the header values, so the first visitor's variant is served to all subsequent visitors regardless of...

PYSEC-2026-3824 django CMS: Page cache ignores plugin-declared Vary headers (disclosure & poisoning)

Summary The CMS page cache key ignores the request headers that plugins declare via getvarycacheon. The header is added to the response Vary header, but the CMS's own cache key does not incorporate the header values, so the first visitor's variant is served to all subsequent visitors regardless o...

CVE-2026-82755 ash_authentication_oauth2_server serves tenant-specific OAuth metadata as publicly cacheable without Vary, enabling cross-tenant confusion

Use of Cache Containing Sensitive Information vulnerability in ash-project ashauthenticationoauth2server allows a shared HTTP cache to serve one tenant's OAuth discovery metadata to another tenant's clients. The RFC 8414 and RFC 9728 metadata endpoints in...

EUVD-2026-72537

Use of Cache Containing Sensitive Information vulnerability in ash-project ashauthenticationoauth2server allows a shared HTTP cache to serve one tenant's OAuth discovery metadata to another tenant's clients. The RFC 8414 and RFC 9728 metadata endpoints in...

CVE-2026-82755

ash_authentication_oauth2_server (ash-project, versions 0.1.3 through before 0.3.1) suffers from a cache-poisoning issue in its RFC 8414 / RFC 9728 metadata endpoints (AshAuthentication.Phoenix.Oauth2Server.ProtocolRouter). When a tenant is derived from a header or Host value rather than the URL,...

CVE-2026-82755 ash_authentication_oauth2_server serves tenant-specific OAuth metadata as publicly cacheable without Vary, enabling cross-tenant confusion

Use of Cache Containing Sensitive Information vulnerability in ash-project ashauthenticationoauth2server allows a shared HTTP cache to serve one tenant's OAuth discovery metadata to another tenant's clients. The RFC 8414 and RFC 9728 metadata endpoints in...

CVE-2026-82755 ash_authentication_oauth2_server serves tenant-specific OAuth metadata as publicly cacheable without Vary, enabling cross-tenant confusion

Use of Cache Containing Sensitive Information vulnerability in ash-project ashauthenticationoauth2server allows a shared HTTP cache to serve one tenant's OAuth discovery metadata to another tenant's clients. The RFC 8414 and RFC 9728 metadata endpoints in...

EEF-CVE-2026-82755 ash_authentication_oauth2_server serves tenant-specific OAuth metadata as publicly cacheable without Vary, enabling cross-tenant confusion

Summary Use of Cache Containing Sensitive Information vulnerability in ash-project ashauthenticationoauth2server allows a shared HTTP cache to serve one tenant's OAuth discovery metadata to another tenant's clients. The RFC 8414 and RFC 9728 metadata endpoints in...

io.netty/netty: Netty: Information disclosure via CORS Vary header overwrite

A flaw was found in Netty, an asynchronous, event-driven network application framework. The CorsHandler component incorrectly replaces application Vary headers, such as Authorization or Cookie, with Origin. This allows a caching proxy or Content Delivery Network CDN to reuse authenticated respons...

io.netty/netty: Netty: Information disclosure via CORS Vary header overwrite

A flaw was found in Netty, an asynchronous, event-driven network application framework. The CorsHandler component incorrectly replaces application Vary headers, such as Authorization or Cookie, with Origin. This allows a caching proxy or Content Delivery Network CDN to reuse authenticated respons...

CVE-2026-59903

A flaw was found in Netty, an asynchronous, event-driven network application framework. The CorsHandler component incorrectly replaces application Vary headers, such as Authorization or Cookie, with Origin. This allows a caching proxy or Content Delivery Network CDN to reuse authenticated respons...

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

Summary The CMS page cache key ignores the request headers that plugins declare via getvarycacheon. The header is added to the response Vary header, but the CMS's own cache key does not incorporate the header values, so the first visitor's variant is served to all subsequent visitors regardless o...

GHSA-FWJF-M4QW-9F2X django CMS: Page cache ignores plugin-declared Vary headers (disclosure & poisoning)

Summary The CMS page cache key ignores the request headers that plugins declare via getvarycacheon. The header is added to the response Vary header, but the CMS's own cache key does not incorporate the header values, so the first visitor's variant is served to all subsequent visitors regardless o...

CVE-2026-54625

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...

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...

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...