CVE-2026-42560 auth: Patreon provider assigns the same local user ID to every authenticated Patreon account, enabling cross‑user impersonation

auth provides authentication via oauth2, direct and email. From versions 1.18.0 to before 1.25.2 and 2.0.0 to before 2.1.2, the Patreon OAuth provider maps every authenticated Patreon account to the same local user.ID, instead of deriving a unique ID from the Patreon account returned by Patreon. ...

CVE-2026-42560

The CVE describes a vulnerability in the Patreon OAuth provider used by github.com/go-pkgz/auth, where the mapUser logic computes a local user ID from an uninitialized field, causing every Patreon-authenticated user to share the same local identity. The GHSA advisory details show the code path wh...

CVE-2026-42560 auth: Patreon provider assigns the same local user ID to every authenticated Patreon account, enabling cross‑user impersonation

auth provides authentication via oauth2, direct and email. From versions 1.18.0 to before 1.25.2 and 2.0.0 to before 2.1.2, the Patreon OAuth provider maps every authenticated Patreon account to the same local user.ID, instead of deriving a unique ID from the Patreon account returned by Patreon. ...

GHSA-P77W-8QQV-26RM Hono's Cache Middleware ignores Vary: Authorization / Vary: Cookie leading to cross-user cache leakage

Summary Cache Middleware does not skip caching for responses that declare per-user variance via Vary: Authorization or Vary: Cookie. As a result, a response cached for one authenticated user may be served to subsequent requests from different users. Details The Cache Middleware skips caching when...

NPM: Hono's Cache Middleware ignores Vary: Authorization / Vary: Cookie leading to cross-user cache leakage

NPM: Hono's Cache Middleware ignores Vary: Authorization / Vary: Cookie leading to cross-user cache leakage vulnerability discovered by ? in WordPress Npm hono versions 4.12.18...

PT-2026-39327

Name of the Vulnerable Software and Affected Versions Hono versions prior to 4.12.18 Description Cache Middleware fails to skip caching for responses that declare per-user variance using the Vary: Authorization or Vary: Cookie headers. While the middleware correctly skips caching for Vary: ,...

CVE-2026-42456 AnythingLLM: Cross-User TTS Audio Disclosure via Chat ID (IDOR)

AnythingLLM is an application that turns pieces of content into context that any LLM can use as references during chatting. Prior to version 1.12.1, GET /api/workspace/:slug/tts/:chatId in AnythingLLM returns the text-to-speech audio for another user's chat response within the same workspace...

CVE-2026-42456 AnythingLLM: Cross-User TTS Audio Disclosure via Chat ID (IDOR)

AnythingLLM is an application that turns pieces of content into context that any LLM can use as references during chatting. Prior to version 1.12.1, GET /api/workspace/:slug/tts/:chatId in AnythingLLM returns the text-to-speech audio for another user's chat response within the same workspace...

CVE-2026-42456

AnythingLLM vulnerable prior to v1.12.1: GET /api/workspace/:slug/tts/:chatId exposes another user’s private chat response as TTS audio due to ownership check not being enforced, enabling IDOR. Authenticated users can access audio content by guessing known chatId. Issue patched in v1.12.1; remedi...

CVE-2026-42456 AnythingLLM: Cross-User TTS Audio Disclosure via Chat ID (IDOR)

AnythingLLM is an application that turns pieces of content into context that any LLM can use as references during chatting. Prior to version 1.12.1, GET /api/workspace/:slug/tts/:chatId in AnythingLLM returns the text-to-speech audio for another user's chat response within the same workspace...

GHSA-45M8-CPM2-3V65 Open WebUI: Stale Admin Role in Socket.IO Session Pool Enables Post-Demotion Cross-User Note Access

Stale Admin Role in Socket.IO Session Pool Enables Post-Demotion Cross-User Note Access Affected Component Socket.IO session state and role-check callsites: - backend/openwebui/socket/main.py lines 330-351, connect handler — role snapshotted into SESSIONPOOL - backend/openwebui/socket/main.py lin...

CVE-2025-66172

The CVE pertains to CloudStack’s Backup plugin, affected in versions 4.21.0.0 to 4.22.0.0, where improper access logic allows any authenticated user in a CloudStack 4.21.0.0+ environment (with the plugin enabled and API access) to restore a volume from another user’s backups and attach it to thei...

CVE-2026-42277

Onyx (open‑source AI platform) contains an IDOR in the GET /chat/file/{file_id} endpoint. Before versions 3.0.9, 3.1.6, and 3.2.6, any authenticated user could download another user’s uploaded files by supplying the file’s UUID, because authentication is checked but ownership is not. The vulnerab...

ChatMemory DEFAULT_CONVERSATION_ID causes unintended cross-user data leakage

Spring AI's chat memory component contained a problematic default that, when not explicitly overridden, could result in unintended data exposure between users...

PT-2026-38914

Name of the Vulnerable Software and Affected Versions CloudStack versions 4.21.0.0 through 4.22.0.0 Description The CloudStack Backup plugin contains improper access logic. Authenticated users in environments where this plugin is enabled can leverage specific APIs to create new virtual machines...

Missing Authorization

Overview org.springframework.ai:spring-ai-openai is an OpenAI models support Affected versions of this package are vulnerable to Missing Authorization via the default configuration of the Spring AI chat memory component. An attacker can access data from other users when DEFAULTCONVERSATIONID is n...

PT-2026-38660

Name of the Vulnerable Software and Affected Versions Onyx versions prior to 3.0.9 Onyx versions prior to 3.1.6 Onyx versions prior to 3.2.6 Description An issue in the AI platform allows an authenticated user to terminate another user's active chat session. The endpoint...

GHSA-MM2Q-QCMX-GW4W RustFS: ListServiceAccount authorizes against wrong admin action, enabling cross-user enumeration and root service account takeover

Summary ListServiceAccount GET /rustfs/admin/v3/list-service-accounts?user= authorizes cross-user requests against UpdateServiceAccountAdminAction instead of ListServiceAccountsAdminAction at rustfs/src/admin/handlers/serviceaccount.rs:936. The handler accepts the wrong admin action and rejects t...

RustFS: ListServiceAccount authorizes against wrong admin action, enabling cross-user enumeration and root service account takeover

Summary ListServiceAccount GET /rustfs/admin/v3/list-service-accounts?user= authorizes cross-user requests against UpdateServiceAccountAdminAction instead of ListServiceAccountsAdminAction at rustfs/src/admin/handlers/serviceaccount.rs:936. The handler accepts the wrong admin action and rejects t...

AVideo has an Incomplete Fix for YPTSocket autoEvalCodeOnHTML Strip: Unauthenticated Cross-User JavaScript Execution via `$msg['json']` Relay Bypass

Summary The server-side mitigation for the YPTSocket autoEvalCodeOnHTML eval sink prior advisory GHSA-gph2-j4c9-vhhr, commit c08694bf6 only strips the payload when it sits under $json'msg', but the relay function msgToResourceId selects the outbound message from $msg'json' before $msg'msg'. An...