CWE-306 2552 CVEs MITRE definition ↗

CWE-306: Missing Authentication for Critical Function

Overview

CWE-306 (Missing Authentication for Critical Function) documents a weakness type used across vulnerability databases and security assessments. Use the sections below for definition, context, and mapped CVEs.

Security impact
Security impact: Depends on product and context; use CVE records, severity scores, and MITRE guidance to prioritize.

Description

The product does not perform any authentication for functionality that requires a provable user identity or consumes a significant amount of resources.

Applicable platforms

Kind Name Class Prevalence OS / CPE
language Not Language-Specific Undetermined
technology Cloud Computing Undetermined
technology ICS/OT Often

Related CVEs in this database

These CVEs are mapped to this weakness in this database and kept for traceability and search.

CVE Published Summary
CVE-2026-65319 2026-07-21 Feedbin (commit 739884a) contains an unauthenticated information disclosure vulnerability that allows unauthenticated attackers to retrieve private article content by sending requests to the entries t…
CVE-2026-47671 2026-07-21 Nhost is an open source Firebase alternative with GraphQL. In versions of Nhost CLI prior to 1.46.0, the hidden `nhost configserver` used by `nhost dev` exposes the Mimir GraphQL API with dummy author…
CVE-2026-47396 2026-07-21 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. …
CVE-2026-47393 2026-07-21 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 s…
CVE-2026-47391 2026-07-21 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)` to…
CVE-2026-47122 2026-07-21 Sparkle is a software update framework for macOS. In versions up to and including 2.9.1, `Autoupdate/AppInstaller.m`'s `shouldAcceptNewConnection:` only enforces `SUCodeSigningVerifier validateConnect…
CVE-2026-57495 2026-07-20 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…
CVE-2026-55626 2026-07-20 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 in…
CVE-2026-46555 2026-07-20 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.…
CVE-2026-63429 2026-07-20 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 ses…
CVE-2026-63757 2026-07-20 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…
CVE-2026-16242 2026-07-20 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…
CVE-2026-16210 2026-07-19 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…
CVE-2026-16209 2026-07-19 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 l…
CVE-2026-8505 2026-07-17 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 …
CVE-2026-9103 2026-07-17 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 …
CVE-2026-9202 2026-07-17 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 cr…
CVE-2026-63101 2026-07-17 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, nam…
CVE-2026-12691 2026-07-17 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 …
CVE-2026-63098 2026-07-17 TheHive through 4.1.24 contains an unauthenticated information disclosure vulnerability that allows unauthenticated attackers to retrieve sensitive configuration data by sending a GET request to the /…

Previous names

  • No Authentication for Critical Function (2010-02-16)

Content submission

Name
PLOVER
Date
2006-07-19
Version
Draft 3

Content modifications

Date Name Version Importance Comment
2008-07-01 Eric Dalci 1.0 updated Time_of_Introduction
2008-09-08 CWE Content Team 1.0 updated Relationships, Relationship_Notes, Taxonomy_Mappings
2010-02-16 CWE Content Team 1.8 updated Applicable_Platforms, Common_Consequences, Demonstrative_Examples, Detection_Factors, Likelihood_of_Exploit, Name, Observed_Examples, Potential_Mitigations, References, Related_Attack_Patterns, Relationships
2010-06-21 CWE Content Team 1.9 updated Common_Consequences, Potential_Mitigations, References
2011-06-01 CWE Content Team 1.13 updated Common_Consequences
2011-06-27 CWE Content Team 2.0 updated Relationships
2011-09-13 CWE Content Team 2.1 updated Potential_Mitigations, References, Relationships
2012-05-11 CWE Content Team 2.2 updated Potential_Mitigations, Relationships
2012-10-30 CWE Content Team 2.3 updated Potential_Mitigations
2014-07-30 CWE Content Team 2.8 updated Detection_Factors, Relationships, Taxonomy_Mappings
2015-12-07 CWE Content Team 2.9 updated Relationships
2017-11-08 CWE Content Team 3.0 updated Likelihood_of_Exploit, Modes_of_Introduction, References, Relationships
2019-01-03 CWE Content Team 3.2 updated Related_Attack_Patterns
2019-06-20 CWE Content Team 3.3 updated Related_Attack_Patterns, Type
2020-02-24 CWE Content Team 4.0 updated Relationships
2020-08-20 CWE Content Team 4.2 updated Relationships
2021-07-20 CWE Content Team 4.5 updated Observed_Examples, Relationships
2021-10-28 CWE Content Team 4.6 updated Relationships
2022-06-28 CWE Content Team 4.8 updated Observed_Examples, Relationships
2022-10-13 CWE Content Team 4.9 updated Applicable_Platforms, Demonstrative_Examples, Description, Observed_Examples, Potential_Mitigations, References, Relationship_Notes, Relationships
2023-01-31 CWE Content Team 4.10 updated Related_Attack_Patterns, Relationships
2023-04-27 CWE Content Team 4.11 updated References, Relationships, Taxonomy_Mappings
2023-06-29 CWE Content Team 4.12 updated Mapping_Notes, Relationships
2023-10-26 CWE Content Team 4.13 updated Observed_Examples
2024-02-29 CWE Content Team 4.14 updated Observed_Examples
2024-07-16 CWE Content Team 4.15 updated Common_Consequences, Description, Diagram, Modes_of_Introduction, Potential_Mitigations, Time_of_Introduction
2024-11-19 CWE Content Team 4.16 updated Relationships
2025-04-03 CWE Content Team 4.17 updated Observed_Examples
2025-09-09 CWE Content Team 4.18 updated Detection_Factors, References
2025-12-11 CWE Content Team 4.19 updated Relationships, Weakness_Ordinalities

Contributions

Type Name Date Comment
Content "Mapping CWE to 62443" Sub-Working Group 2023-04-25 Suggested mappings to ISA/IEC 62443.
Content Abhi Balakrishnan 2024-02-29 Provided diagram to improve CWE usability
cvelogic Threat Intelligence