GHSA-GM54-M39W-GRJP Open WebUI missing authorization check at the model update function - models from other users can be updated

Summary A user can modify another user's model even if its visibility is set to Private. The finding resulted from a penetration test for a customer. It is suspected that the root cause of the issue lies within the core of Open WebUI, which is why it is being reported as a security issue here...

NPM: n8n Has a Cross-user Authorization Bypass in Dynamic Credential OAuth Endpoints

NPM: n8n Has a Cross-user Authorization Bypass in Dynamic Credential OAuth Endpoints vulnerability discovered by ? in WordPress Npm n8n versions 1.123.43...

n8n Has a Cross-user Authorization Bypass in Dynamic Credential OAuth Endpoints

Impact The OAuth1 and OAuth2 credential reconnect endpoints authorized access using credential:read rather than credential:update. An authenticated user with read-only access to a shared credential could initiate an OAuth reconnect flow and overwrite the stored token material for that credential...

GHSA-6H4J-WCR9-2VG7 n8n Has a Cross-user Authorization Bypass in Dynamic Credential OAuth Endpoints

Impact The OAuth1 and OAuth2 credential reconnect endpoints authorized access using credential:read rather than credential:update. An authenticated user with read-only access to a shared credential could initiate an OAuth reconnect flow and overwrite the stored token material for that credential...

CVE-2026-44504 Aegra: Cross-user run injection in /threads/{thread_id}/runs (IDOR)

Aegra is a drop-in replacement for LangSmith Deployments. Prior to 0.9.7, with multiple authenticated users on a shared instance are vulnerable to a cross-tenant IDOR. Any authenticated attacker, given another user's threadid, can execute graph runs against the user's thread, read the user's full...

CVE-2026-44457

Hono is a Web application framework that provides support for any JavaScript runtime. Prior to 4.12.18, 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...

CVE-2026-44457 Hono: Cache Middleware ignores Vary: Authorization / Vary: Cookie leading to cross-user cache leakage

Hono is a Web application framework that provides support for any JavaScript runtime. Prior to 4.12.18, 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...

CVE-2026-44457

CVE-2026-44457 affects Hono's Cache Middleware prior to v4.12.18, which does not skip caching for responses with Vary: Authorization or Vary: Cookie. This can allow a response cached for one authenticated user to be served to other users, leaking per-user data. The issue is fixed in v4.12.18. Rem...

CVE-2026-44457 Hono: Cache Middleware ignores Vary: Authorization / Vary: Cookie leading to cross-user cache leakage

Hono is a Web application framework that provides support for any JavaScript runtime. Prior to 4.12.18, 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...

CVE-2026-44457 Hono: Cache Middleware ignores Vary: Authorization / Vary: Cookie leading to cross-user cache leakage

Hono is a Web application framework that provides support for any JavaScript runtime. Prior to 4.12.18, 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...

GHSA-Q62F-H9X2-GCQC Spring AI: 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...

CVE-2026-41712 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...

CVE-2026-41712

The CVE-2026-41712 entry concerns Spring AI's chat memory component, where a problematic default (DEFAULT_CONVERSATION_ID) can cause cross-user data exposure when not explicitly overridden. Affected element: the chat memory/session handling; root cause: default configuration that ties user conver...

CVE-2026-41712 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...

CVE-2026-41712 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...

CVE-2026-33862

A vulnerability has been identified in Teamcenter V2312 All versions V2312.0014, Teamcenter V2406 All versions V2406.0012, Teamcenter V2412 All versions V2412.0009, Teamcenter V2506 All versions V2506.0005, Teamcenter V2512 All versions. The affected application does not properly encode or filter...

CVE-2026-43874

CVE-2026-43874 affects WWBN AVideo up to version 29.0, involving YPTSocket message handling. The server-side strip that removes autoEvalCodeOnHTML only targets $json['msg'] and not other outbound carriers; the relay logic prefers $msg['json'] when present, causing an unauthenticated attacker who ...

CVE-2026-43874 WWBN AVideo: Incomplete Fix for YPTSocket autoEvalCodeOnHTML Strip: Unauthenticated Cross-User JavaScript Execution via `$msg['json']` Relay Bypass

WWBN AVideo is an open source video platform. In versions up to and including 29.0, the server-side mitigation for the YPTSocket autoEvalCodeOnHTML eval sink from CVE-2026-40911 only strips the payload when it sits under $json'msg', but the relay function msgToResourceId selects the outbound...

GHSA-RMP5-5JJ7-GMVF MantisBT has an authorization bypass that allows reading attachments after losing access to a private issue

MantisBT permits a user to list and download their own attachments from an Issue created by another user, even after that Issue becomes private and direct access to it is denied. Impact The loss of confidentiality caused by this vulnerability is minimal, considering that only the attachments that...

CVE-2026-7813 pgAdmin 4: Cross-user data access and shared-server privilege escalation in server mode

Authorization vulnerability in pgAdmin 4 server mode affecting Server Groups, Servers, Shared Servers, Background Processes, and Debugger modules. Multiple endpoints fetched user-owned objects without filtering by the requesting user's identity. An authenticated user could access another user's...