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 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 (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,...

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...

CVE-2026-86492

In JetBrains YouTrack before 2026.2.18634 a shared token cache allowed cross-tenant theft of GitHub App installation tokens...

CVE-2026-86492

JetBrains YouTrack versions before 2026.2.18634 are affected by a vulnerability in a shared token cache that permits cross-tenant theft of GitHub App installation tokens . An attacker with low privileges over the network (no user interaction required) can steal tokens belonging to other tenants, ...

CVE-2026-86492

In JetBrains YouTrack before 2026.2.18634 a shared token cache allowed cross-tenant theft of GitHub App installation tokens...

CVE-2026-86492

In JetBrains YouTrack before 2026.2.18634 a shared token cache allowed cross-tenant theft of GitHub App installation tokens...

EUVD-2026-72508

In JetBrains YouTrack before 2026.2.18634 a shared token cache allowed cross-tenant theft of GitHub App installation tokens...

better-auth v1.7.3

Discord · Website · Issues Better Auth Better Auth is a framework-agnostic authentication and authorization framework for TypeScript. It provides a comprehensive set of features out of the box and includes a plugin ecosystem that simplifies adding advanced functionalities with minimal code in a...

PT-2026-86925

Use of Cache Containing Sensitive Information vulnerability in ash-project ash authentication oauth2 server 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-2026-86492: Exposure of Data Element to Wrong Session

In JetBrains YouTrack before 2026.2.18634 a shared token cache allowed cross-tenant theft of GitHub App installation tokens...

PT-2026-86864

In JetBrains YouTrack before 2026.2.18634 a shared token cache allowed cross-tenant theft of GitHub App installation tokens...

PT-2026-86926

Improper Encoding or Escaping of Output vulnerability in ash-project ash authentication oauth2 server allows an unauthenticated attacker to inject arbitrary authentication parameters into the WWW-Authenticate challenge header. BearerPlug and RequireScopePlug built the Bearer resource metadata=".....

CVE-2026-86254 wger Incomplete Authorization Fix Cross-Tenant Account Deletion

wger versions through master contain an incomplete authorization bypass in wger/core/views/user.py where three views retain the original gym-scope check using raw integer comparison instead of the issamegym helper, allowing gym staff with gym=None to delete, deactivate, or activate any other user...

CVE-2026-86254

wger (gym management platform) contains an incomplete authorization bypass in wger/core/views/user.py. Three views retain a raw integer comparison for the gym-scope check instead of the is_same_gym() helper, creating a None != None edge case . An attacker with gym.manage_gym permission and a gym=...

CVE-2026-86254 wger Incomplete Authorization Fix Cross-Tenant Account Deletion

wger versions through master contain an incomplete authorization bypass in wger/core/views/user.py where three views retain the original gym-scope check using raw integer comparison instead of the issamegym helper, allowing gym staff with gym=None to delete, deactivate, or activate any other user...

Characterizing Contention-Induced Reliability Collapse in KV-Cache Timing Side Channels for Multi-Tenant LLM Serving

Shared key--value KV cache reuse improves large language model LLM serving, but it can also create a timing side channel that reveals whether a prefix is already cached. Previous work shows that such attacks are possible, but their reliability under realistic multi-tenant contention is less...

SUSE CVE-2026-53471

A flaw was found in migration-planner. The agent-API middleware processes JSON Web Tokens JWTs for authentication, but its UpdateSourceInventory and UpdateAgentStatus handlers fail to validate the sourceid claim within these tokens against the requested source ID. This oversight allows an...