GHSA-4G37-7P2C-38R9 Open WebUI Vulnerable to IDOR: Retrieval API Bypasses Knowledge Base Access Controls

IDOR: Retrieval API Bypasses Knowledge Base Access Controls Author: Andrew Orr Summary validatecollectionaccess PR 22109 checks the user-memory- and file- collection name prefixes but does not check knowledge base collections, which use raw UUIDs as collection names. Any authenticated user who...

Open WebUI Vulnerable to IDOR: Retrieval API Bypasses Knowledge Base Access Controls

IDOR: Retrieval API Bypasses Knowledge Base Access Controls Author: Andrew Orr Summary validatecollectionaccess PR 22109 checks the user-memory- and file- collection name prefixes but does not check knowledge base collections, which use raw UUIDs as collection names. Any authenticated user who...

Open WebUI: Authenticated users can bypass model access control via exposed query parameter [AI-ASSISTED]

Summary An internal-only bypassfilter parameter is exposed on the /openai/chat/completions and /ollama/api/chat HTTP endpoints via FastAPI query string binding, allowing any authenticated user to append ?bypassfilter=true and bypass model access control checks to invoke admin-restricted models...

Server-side Request Forgery (SSRF)

Overview open-webui is an Open WebUI Affected versions of this package are vulnerable to Server-side Request Forgery SSRF through the OAuthManager profile picture fetch path in the OAuth handling code. An attacker can make the server send outbound requests to arbitrary URLs by supplying a malicio...

Cross-site Request Forgery (CSRF)

Overview open-webui is an Open WebUI Affected versions of this package are vulnerable to Cross-site Request Forgery CSRF through the getuserprofileimagebyid and getmodelprofileimage handlers in the profile image endpoints. An attacker can supply an external https profile image URL, causing the...

CVE-2026-8629

Crabbox prior to v0.12.0 contains a privilege escalation vulnerability that allows users with shared visibility-only access to obtain Code, WebVNC, and Egress agent tickets by sending POST requests to ticket endpoints. Attackers can exploit insufficient access control checks on the...

Incorrect Permission Assignment for Critical Resource

Overview open-webui is an Open WebUI Affected versions of this package are vulnerable to Incorrect Permission Assignment for Critical Resource in the files/ endpoints. An attacker can list, access and delete every uploaded file due to absence of authorisation on these endpoints. Remediation Upgra...

CVE-2026-8629 Crabbox < v0.12.0 Privilege Escalation via Agent Ticket Endpoints

Crabbox prior to v0.12.0 contains a privilege escalation vulnerability that allows users with shared visibility-only access to obtain Code, WebVNC, and Egress agent tickets by sending POST requests to ticket endpoints. Attackers can exploit insufficient access control checks on the...

CVE-2026-8629 Crabbox < v0.12.0 Privilege Escalation via Agent Ticket Endpoints

Crabbox prior to v0.12.0 contains a privilege escalation vulnerability that allows users with shared visibility-only access to obtain Code, WebVNC, and Egress agent tickets by sending POST requests to ticket endpoints. Attackers can exploit insufficient access control checks on the...

CVE-2026-8629 Crabbox < v0.12.0 Privilege Escalation via Agent Ticket Endpoints

Crabbox prior to v0.12.0 contains a privilege escalation vulnerability that allows users with shared visibility-only access to obtain Code, WebVNC, and Egress agent tickets by sending POST requests to ticket endpoints. Attackers can exploit insufficient access control checks on the...

CVE-2026-8629

Crabbox before v0.12.0 contains a privilege-escalation flaw where users with shared visibility-only access can obtain Code, WebVNC, and Egress agent tickets by abusing insufficient access controls on /v1/leases/:id/code/ticket, /v1/leases/:id/webvnc/ticket, and /v1/leases/:id/egress/ticket. This ...

CVE-2026-44542

FileBrowser Quantum is a free, self-hosted, web-based file manager. Prior to 1.3.1-stable and 1.3.9-beta, attacker-controlled path input is joined with a trusted base path prior to sanitization, allowing traversal sequences e.g., ../ to escape the intended shared directory. As a result, an...

CVE-2026-45371 SiYuan: SiYuan publish-mode Reader can mutate Conf and SQL index via 8 ungated APIs

SiYuan is an open-source personal knowledge management system. Prior to 3.7.0, SiYuan publish-mode Reader can mutate Conf and SQL index via 8 ungated APIs. POST /api/graph/getGraph, POST /api/graph/getLocalGraph, POST /api/sync/setSyncInterval, POST /api/storage/updateRecentDocViewTime, POST...

CVE-2026-45371

CVE-2026-45371 (SiYuan) : Before v3.7.0, publish-mode Reader can mutate server state via 8 ungated APIs: POST /api/graph/getGraph, /getLocalGraph, /api/sync/setSyncInterval, /api/storage/updateRecentDocViewTime, /api/storage/updateRecentDocCloseTime, /api/storage/updateRecentDocOpenTime, /api/sto...

CVE-2026-45371 SiYuan: SiYuan publish-mode Reader can mutate Conf and SQL index via 8 ungated APIs

SiYuan is an open-source personal knowledge management system. Prior to 3.7.0, SiYuan publish-mode Reader can mutate Conf and SQL index via 8 ungated APIs. POST /api/graph/getGraph, POST /api/graph/getLocalGraph, POST /api/sync/setSyncInterval, POST /api/storage/updateRecentDocViewTime, POST...

EUVD-2026-30340

Docling-Graph turns documents into validated Pydantic objects, then builds a directed knowledge graph with explicit semantic relationships. Prior to 1.5.1, the URLInputHandler class in doclinggraph/core/input/handlers.py makes HTTP requests to user-supplied URLs without validating whether the...

Missing Authorization

Overview github.com/portainer/portainer/api/http/proxy/factory/docker is a management UI which allows to manage different Docker environments. Affected versions of this package are vulnerable to Missing Authorization in the enforcement of endpoint security restrictions for non-admin users on Dock...

GHSA-MGQ6-4X29-88R3 Portainer's Kubernetes middleware continues after token validation failure, bypassing endpoint authorization

Summary Portainer proxies requests to Kubernetes clusters through a middleware layer kubeClientMiddleware that validates the requesting user's token before forwarding traffic to the cluster. When security.RetrieveTokenData returned an error, the middleware wrote an HTTP 403 response but was missi...

GHSA-RRMM-9V76-H3P4 Portainer missing authorization on Docker plugin endpoints, which allows host RCE

Summary Portainer enforces Role-Based Access Control RBAC on top of the Docker API. The proxy layer routes incoming Docker API requests to per-resource handlers containers, images, services, volumes, etc. that apply authorization checks. The Docker plugin management endpoints /plugins/ were not...

Portainer missing authorization on Docker plugin endpoints, which allows host RCE

Summary Portainer enforces Role-Based Access Control RBAC on top of the Docker API. The proxy layer routes incoming Docker API requests to per-resource handlers containers, images, services, volumes, etc. that apply authorization checks. The Docker plugin management endpoints /plugins/ were not...