CVE-2026-54020

Open WebUI (self-hosted AI platform) contains a DNS rebinding SSRF vulnerability (CVE-2026-54020) affecting pre-0.11.0 behavior. An attacker who controls authoritative DNS for a submitted hostname could have validation return a public address while the connection later resolves to an internal add...

CVE-2026-54020 Open WebUI: DNS Rebinding SSRF Bypass

Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. Prior to 0.11.0, Open WebUI resolved a hostname during URL validation and rejected private, loopback, and link-local addresses, but the HTTP clients resolved the hostname again at connection time. An authenticat...

Missing Authorization

Overview open-webui is an Open WebUI Affected versions of this package are vulnerable to Missing Authorization via the chat completion, chat completed, and chat action endpoints when an inline model definition is used with attached knowledge metadata. An attacker can access the indexed content of...

Open WebUI: Cross-user file content disclosure via request-scoped direct model knowledge metadata

Summary Open WebUI lets a client define a model inline on a chat request instead of selecting a saved workspace model. The knowledge attached to such an inline model was used as-is, without checking that the caller can read what it points at. Any authenticated user who knows another user's file i...

CVE-2026-70487

Open WebUI (versions 0.8.8–0.11.0) allowed client-supplied knowledge attachments in an inline model to bypass read access checks, enabling any authenticated user who knows another user’s file id to retrieve indexed chunks from that file via builtin knowledge tools. This caused read-only cross-use...

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 in the validateurl process. An attacker can access internal services and cloud metadata by submitting specially crafted NAT64-encoded URLs that bypass IP address filtering. Th...

GHSA-8X5V-CPV7-8JJP Open WebUI: Any authenticated user can reach internal services and cloud metadata via NAT64-encoded URLs

Summary Open WebUI fetches user-supplied URLs on the server for RAG URL ingestion, URL-to-markdown conversion and web-search content retrieval, and decides whether a destination is allowed by asking whether its IP address is globally routable. That test operates on the literal IPv6 address and do...

Open WebUI: Any authenticated user can reach internal services and cloud metadata via NAT64-encoded URLs

Summary Open WebUI fetches user-supplied URLs on the server for RAG URL ingestion, URL-to-markdown conversion and web-search content retrieval, and decides whether a destination is allowed by asking whether its IP address is globally routable. That test operates on the literal IPv6 address and do...

CVE-2026-70485 Open WebUI: Any authenticated user can reach internal services and cloud metadata via NAT64-encoded URLs

Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. From 0.9.0 until 0.11.0, Open WebUI checked whether a user-supplied URL destination was globally routable by applying ipaddress.isglobal to the literal IPv6 address without examining IPv4 addresses embedded in...

CVE-2026-70485 Open WebUI: Any authenticated user can reach internal services and cloud metadata via NAT64-encoded URLs

Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. From 0.9.0 until 0.11.0, Open WebUI checked whether a user-supplied URL destination was globally routable by applying ipaddress.isglobal to the literal IPv6 address without examining IPv4 addresses embedded in...

CVE-2026-70485

CVE-2026-70485 – Open WebUI : Affected versions 0.9.0 through 0.11.0 of the Open WebUI self-hosted AI platform check whether a user-provided URL is globally routable by applying ipaddress.is_global to the literal IPv6 address, without considering embedded IPv4 in transition encodings. In NAT64 de...

CVE-2026-70485 Open WebUI: Any authenticated user can reach internal services and cloud metadata via NAT64-encoded URLs

Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. From 0.9.0 until 0.11.0, Open WebUI checked whether a user-supplied URL destination was globally routable by applying ipaddress.isglobal to the literal IPv6 address without examining IPv4 addresses embedded in...

Missing Authorization

Overview flowise is a Flowiseai Server Affected versions of this package are vulnerable to Missing Authorization via the updateExecution process. An attacker can alter execution state, data, and metadata of any execution by sending crafted requests to the affected endpoint using any valid API key...

Insufficient Verification of Data Authenticity

Overview marimo is an A library for making reactive notebooks and apps Affected versions of this package are vulnerable to Insufficient Verification of Data Authenticity via sanitizepyprojectdict in the PEP-723 script metadata handling path. An attacker can exfiltrate an operator’s API key by...

NPM: Flowise: Cross-Workspace OAuth2 Credential Metadata Leak

NPM: Flowise: Cross-Workspace OAuth2 Credential Metadata Leak vulnerability discovered by ? in WordPress Npm flowise versions = 3.1.2...

CVE-2026-70474 Flowise: Cross-Workspace OAuth2 Credential Metadata Leak

Flowise is a drag-and-drop user interface for building customized large language model LLM flows. Prior to 3.1.3, Flowise has three OAuth2 credential endpoints that look up credentials by id alone with no workspaceId filter. The authorize, callback, and refresh handlers query the Credential table...

CVE-2026-70474

Flowise (flows builder UI) has a cross-workspace OAuth2 credential metadata leak prior to version 3.1.3. Three OAuth2 credential endpoints—/api/v1/oauth2-credential/authorize/, /api/v1/oauth2-credential/callback?code=ATTACKER_AUTH_CODE&state=, and /api/v1/oauth2-credential/refresh/—query the Cred...

Server-Side Request Forgery (SSRF)

Overview flowise is a Flowiseai Server Affected versions of this package are vulnerable to Server-Side Request Forgery SSRF in the isDeniedIP function, which fails to properly normalize IPv4-mapped IPv6 addresses before checking them against the deny list. An attacker can access internal services...

user-scanner v1.4.3

User Scanner A powerful 2-in-1 OSINT suite engineered for deep Email and Username Intelligence. With 380+ total scan vectors —including 155+ email-integrated sites and 225+ username platforms —you can map digital footprints, analyze target behavior, uncover interests, full metadata of usernames a...

CVE-2026-67618

marimo before 0.23.15 contains a configuration injection vulnerability that allows notebook authors to exfiltrate operator API keys by embedding a malicious baseurl in PEP-723 inline script metadata, which is merged into session configuration with higher precedence than the operator's own setting...