Missing Authentication for Critical Functionality
CWE-306
The product does not perform any authentication for functionality that requires a provable user identity or consumes a significant amount of resources.
We track 2,227 vulnerabilities of this type. 100% are rated high or critical, and the average CVSS score is 8.8. 54 have been exploited in real attacks.
How this weakness is prevented
- Architecture and Design: For any security checks that are performed on the client side, ensure that these checks are duplicated on the server side, in order to avoid CWE-602. Attackers can bypass the client-side checks by modifying values after the checks have been performed, or by changing the client to remove the client-side checks entirely. Then, these modified values would be submitted to the server.
- Architecture and Design: Use a vetted library or framework that does not allow this weakness to occur or provides constructs that make this weakness easier to avoid. For example, consider using libraries with authentication capabilities such as OpenSSL or the ESAPI Authenticator.
- Implementation System Configuration Operation: When storing data in the cloud (e.g., S3 buckets, Azure blobs, Google Cloud Storage, etc.), use the provider's controls to require strong authentication for users who should be allowed to access the data.
Latest Missing Authentication for Critical Functionality vulnerabilities
- 8.8 High severity
Oracle WebLogic Server: Missing Authentication for Critical Functionality
Vulnerability in the Oracle WebLogic Server product of Oracle Fusion Middleware (component: Core). Supported versions that are affected are 12.2.1.4.0, 14.1.1.0.0, 14.1.2.0.0 and 15.1.1.0.0. Easily exploitable vulnerability allows low privileged attacker with
- 9.8 Critical severity
Oracle WebLogic Server: Missing Authentication for Critical Functionality
Vulnerability in the Oracle WebLogic Server product of Oracle Fusion Middleware (component: Core). Supported versions that are affected are 12.2.1.4.0, 14.1.1.0.0, 14.1.2.0.0 and 15.1.1.0.0. Easily exploitable vulnerability allows unauthenticated attacker with
- 8.1 High severity
Oracle WebLogic Server: Missing Authentication for Critical Functionality
Vulnerability in the Oracle WebLogic Server product of Oracle Fusion Middleware (component: Core). Supported versions that are affected are 12.2.1.4.0, 14.1.1.0.0, 14.1.2.0.0 and 15.1.1.0.0. Difficult to exploit vulnerability allows unauthenticated attacker wi
- 9.8 Critical severity
Oracle WebLogic Server: Missing Authentication for Critical Functionality
Vulnerability in the Oracle WebLogic Server product of Oracle Fusion Middleware (component: Core). Supported versions that are affected are 12.2.1.4.0, 14.1.1.0.0, 14.1.2.0.0 and 15.1.1.0.0. Easily exploitable vulnerability allows unauthenticated attacker with
- 9.8 Critical severity
Oracle WebLogic Server: Missing Authentication for Critical Functionality
Vulnerability in the Oracle WebLogic Server product of Oracle Fusion Middleware (component: Core). Supported versions that are affected are 12.2.1.4.0, 14.1.1.0.0, 14.1.2.0.0 and 15.1.1.0.0. Easily exploitable vulnerability allows unauthenticated attacker with
- 9.8 Critical severity
Oracle WebLogic Server: Missing Authentication for Critical Functionality
Vulnerability in the Oracle WebLogic Server product of Oracle Fusion Middleware (component: Core). Supported versions that are affected are 12.2.1.4.0, 14.1.1.0.0, 14.1.2.0.0 and 15.1.1.0.0. Easily exploitable vulnerability allows unauthenticated attacker with
- 9.8 Critical severity
Oracle Coherence: Missing Authentication for Critical Functionality
Vulnerability in the Oracle Coherence product of Oracle Fusion Middleware (component: Core). Supported versions that are affected are 12.2.1.4.0, 14.1.1.0.0, 14.1.2.0.0 and 15.1.1.0.0. Easily exploitable vulnerability allows unauthenticated attacker with netwo
- 8.1 High severity
Oracle Hospitality Simphony: Missing Authentication for Critical Functionality
Vulnerability in the Oracle Hospitality Simphony product of Oracle Food and Beverage Applications (component: POS). Supported versions that are affected are 19.8-19.8.5, 19.9-19.9.3 and 19.10. Difficult to exploit vulnerability allows unauthenticated attacker
- 7.2 High severity
Oracle WebLogic Server: Missing Authentication for Critical Functionality
Vulnerability in the Oracle WebLogic Server product of Oracle Fusion Middleware (component: Console). Supported versions that are affected are 12.2.1.4.0, 14.1.1.0.0, 14.1.2.0.0 and 15.1.1.0.0. Easily exploitable vulnerability allows high privileged attacker w
- 10.0 Critical severity
Oracle Data Integrator: Missing Authentication for Critical Functionality
Vulnerability in the Oracle Data Integrator product of Oracle Fusion Middleware (component: Rest Service). Supported versions that are affected are 12.2.1.4.0 and 14.1.2.0.0. Easily exploitable vulnerability allows unauthenticated attacker with network access
- 9.1 Critical severity
Oracle Net Services: Missing Authentication for Critical Functionality
Vulnerability in the Oracle Net Services component of Oracle Database Server. Supported versions that are affected are 19.3-19.31, 21.3-21.22 and 23.4.0-23.26.2. Easily exploitable vulnerability allows unauthenticated attacker with network access via Oracle Ne
- 9.8 Critical severity
Siebel CRM Development: Missing Authentication for Critical Functionality
Vulnerability in the Siebel CRM Development product of Oracle Siebel CRM (component: Siebel Approval Manager). Supported versions that are affected are 17.0-26.3. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to
- 8.1 High severity
Oracle Product Hub: Missing Authentication for Critical Functionality
Vulnerability in the Oracle Product Hub product of Oracle E-Business Suite (component: Item Catalog). Supported versions that are affected are 12.2.3-12.2.15. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compr
- 8.8 High severity
Oracle Enterprise Manager Base Platform: Missing Authentication for Critical Functionality
Vulnerability in the Oracle Enterprise Manager Base Platform product of Oracle Enterprise Manager (component: Self Update Framework). Supported versions that are affected are 13.5 and 24.1. Easily exploitable vulnerability allows low privileged attacker with n
- 7.0 High severity
Oracle Enterprise Manager Base Platform: Missing Authentication for Critical Functionality
Vulnerability in the Oracle Enterprise Manager Base Platform product of Oracle Enterprise Manager (component: Discovery Framework). Supported versions that are affected are 13.5 and 24.1. Difficult to exploit vulnerability allows unauthenticated attacker with
- 8.8 High severity
Oracle Enterprise Manager Base Platform: Missing Authentication for Critical Functionality
Vulnerability in the Oracle Enterprise Manager Base Platform product of Oracle Enterprise Manager (component: Enterprise Config Management). Supported versions that are affected are 13.5 and 24.1. Easily exploitable vulnerability allows low privileged attacker
- 9.8 Critical severity
PraisonAI: Improper Access Control
PraisonAI is a multi-agent teams system. Prior to version 4.6.40, PraisonAI's call server exposes a network-facing agent control API without authentication when `CALL_SERVER_TOKEN` is not configured. The affected component is the `praisonai.api.agent_invoke` r
- 9.8 Critical severity
PraisonAI: Missing Authentication for Critical Functionality
PraisonAI is a multi-agent teams system. CVE-2026-44338 (GHSA-6rmh-7xcm-cpxj) documents that PraisonAI ships a code-generator (`praisonai.deploy.api.generate_api_server_code`) that emits a Flask API server with authentication disabled by default. Users who fol
- 9.8 Critical severity
PraisonAI: Improper Neutralization of Directives in Dynamically Evaluated Code
PraisonAI is a multi-agent teams system. Prior to version 4.6.40, PraisonAI's first-party A2A server example exposes an unauthenticated A2A JSON-RPC endpoint and registers a `calculate(expression)` tool implemented with Python `eval()`. The example also binds
- 8.2 High severity
@agenticmail/core: Missing Authentication for Critical Functionality
AgenticMail gives AI agents real email addresses and phone numbers. In @agenticmail/claudecode prior to version 0.2.39, @agenticmail/codex prior to version 0.1.33, @agenticmail/core prior to version 0.9.43, and @agenticmail/openclaw prior to version 0.5.71, tw
- 7.3 High severity
xrdp: Improper Authentication
xrdp is an open source RDP server. In versions 0.10.6 and prior, when an authenticated user session is initialized using the Xvnc backend over UNIX domain sockets, the Xvnc process is launched with insufficient authentication mechanisms. A local authenticated
- 7.1 High severity
whatsapp-mcp: Improper Limitation of a Pathname to a Restricted Directory
WhatsApp MCP Server is a Model Context Protocol (MCP) server for WhatsApp, enabling Claude to read and send WhatsApp messages. Prior to version 0.2.1, the `whatsapp-bridge` HTTP API listens on `127.0.0.1:8080` without authentication and without Host header val
- 8.6 High severity
heyform: Missing Authentication for Critical Functionality
HeyForm is an open-source form builder. Prior to version 3.0.0-rc.9, `POST /api/upload` has no authentication guard, no global guard, no form-context validation, no `openToken` requirement, and no session cookie check. Any anonymous internet user can upload fi
- 8.8 High severity
surrealdb: Missing Authentication for Critical Functionality
SurrealDB versions before 3.1.0 contain a session hijacking vulnerability where the HTTP /rpc sessions method returns attached session UUIDs without authentication and accepts arbitrary session fields with no ownership verification. Unauthenticated attackers c
- 9.4 Critical severity
multicluster engine for Kubernetes 2.1: Missing Authentication for Critical Functionality
A flaw was found in the Konnectivity proxy-server configuration for hosted control planes. The agent-facing listener was started without --cluster-ca-cert (and without token-based agent authentication), so client certificates were not validated. A remote attac
- 7.3 High severity
simpleui: Improper Authentication
A vulnerability was found in newpanjing simpleui 2026.01.13. This affects the function self.get_action of the file simpleui/admin.py of the component AjaxAdmin AJAX Endpoint. Performing a manipulation results in missing authentication. Remote exploitation of t
- 7.3 High severity
Gerapy: Improper Authentication
A vulnerability has been found in Gerapy up to 0.9.13. The impacted element is an unknown function of the file gerapy/server/core/views.py of the component Project Upload Endpoint. Such manipulation leads to missing authentication. The attack may be launched r
- 9.8 Critical severity
Langflow OSS: Missing Authentication for Critical Functionality
IBM Langflow OSS 1.0.0 through 1.10.0 has a vulnerability in Langflow's webhook authentication logic allows unauthenticated users to trigger the execution of any flow. The system incorrectly bypasses API key validation when the WEBHOOK_AUTH_ENABLE configuratio
- 9.8 Critical severity
Langflow OSS: Missing Authentication for Critical Functionality
IBM Langflow OSS 1.0.0 through 1.10.0 could allow a remote attacker to gain unauthorized access due to improper authentication in the /api/v1/login/auto_login endpoint. The endpoint issues long-lived superuser bearer tokens without requiring authentication whe
- 9.8 Critical severity
Langflow OSS: Missing Authentication for Critical Functionality
IBM Langflow OSS 1.0.0 through 1.10.0 allows unauthenticated attackers to create unlimited user accounts on any Langflow instance; when NEW_USER_IS_ACTIVE=true (documented deployment option), newly created accounts are immediately active and can authenticate t
- 7.5 High severity
open-event-server: Missing Authentication for Critical Functionality
Open Event Server through 1.19.1 contains a missing authentication vulnerability that allows unauthenticated attackers to export the complete member roster of any group, including email addresses, names, join dates, and roles, by submitting requests to the gro
- 7.5 High severity
Enterprise Video Platform: Missing Authentication for Critical Functionality
Missing authentication for critical function vulnerability in Vimesoft Inc. Enterprise Video Platform allows Authentication Bypass. This issue affects Enterprise Video Platform: from 3.11.0.0 before 3.25.0.
- 9.1 Critical severity
clawvet: Missing Authentication for Critical Functionality
clawvet self-hosted API server (apps/api) before 0.7.5 hard-codes a fallback JWT secret ('clawvet-dev-secret-change-me') in auth.ts and ships it as the default in .env.example. Because GET /api/v1/scans returns scan records containing userId values without aut
- 9.8 Critical severity
oncall: Missing Authentication for Critical Functionality
Grafana OnCall through 1.16.11 contains an unauthenticated access vulnerability that allows remote attackers to obtain a valid PluginAuthToken by sending a POST request to the internal plugin install endpoint using hardcoded default stack_id and org_id values
- 8.6 High severity
simplechat: Missing Authentication for Critical Functionality
SimpleChat is a secure AI conversation application with personal and group workspaces for document-grounded interactions. Prior to 0.241.206, several plugin validation routes in application/single_app/plugin_validation_endpoint.py, including `POST /api/admin/p
- 9.8 Critical severity
kopia: Improper Neutralization of Special Elements used in an OS Command
Kopia is a cross-platform backup tool for Windows, macOS, and Linux with fast incremental backups, client-side end-to-end encryption, compression, and data deduplication. Prior to 0.23.0, Kopia's HTTP server started with --without-password accepts unauthentica
- 10.0 Critical severity
9router: Improper Neutralization of Special Elements used in an OS Command
9Router is an AI router & token saver. From 0.4.30 until 0.4.37, 9Router's src/proxy.js middleware did not protect /api/cli-tools/* and /api/mcp/*, allowing unauthenticated registration of customPlugins through src/app/api/cli-tools/cowork-settings/route.js an
- 8.2 High severity
gpustack: Missing Authentication for Critical Functionality
GPUStack through 2.2.1, fixed in commit 4e20551, contains an unauthenticated information disclosure vulnerability that allows unauthenticated attackers to access sensitive inference logs and modify worker configuration by exploiting unprotected /serveLogs and
- 9.1 Critical severity
better-auth: Improper Authentication
Better Auth is an authentication and authorization library for TypeScript. Prior to 1.6.11, the legacy oidcProvider and mcp plugins expose OAuth token endpoints whose refresh_token grant authenticates only possession of the bound refreshToken row and matching
- 7.7 High severity
cursor: Missing Authentication for Critical Functionality
Cursor is a code editor built for programming with AI. Prior to the Cloud Agent fix on 03/31/2026, browser-enabled Cursor Cloud Agent sessions allowed attacker-controlled web content to connect from inside the agent container to an unauthenticated local agent