CWE-306— Missing Authentication for Critical Function
The product does not perform any authentication for functionality that requires a provable user identity or consumes a significant amount of resources.— MITRE CWE catalog
2,826 active CVEs classified under this weakness category. Sourced from NVD, GHSA, and vendor advisories. Full definition on MITRE →
CVEs classified under CWE-306page 50 of 57
- CVE-2026-49973CRITICALCVSS 9.4EG 9.42026-06-11
Hermes WebUI before version 0.51.358 contains an improper access control vulnerability that allows unauthenticated remote attackers to hijack initial setup by submitting the _set_password parameter to the settings API endpoint without any …
- CVE-2026-49980CRITICALCVSS 9.8EG 9.82026-06-16
Rclone is a command-line program to sync files and directories to and from different cloud storage providers. From 1.46.0 until 1.74.3, rclone rcd --rc-serve accepts unauthenticated GET and HEAD requests to paths of the form: /[remote:path…
- CVE-2026-5000HIGHCVSS 7.3EG 7.32026-03-28
A vulnerability was detected in PromtEngineer localGPT up to 4d41c7d1713b16b216d8e062e51a5dd88b20b054. Impacted is the function LocalGPTHandler of the file backend/server.py of the component API Endpoint. The manipulation of the argument B…
- CVE-2026-50082MEDIUMCVSS 5.3EG 6.52026-06-12
The Aqara Cloud Developer Portal (developer.aqara.com) issued a developer token to any email address supplied by the attacker. This is an instance of "CWE-306: Missing Authentication for Critical Function" with an estimated CVSS of CVSS:3.…
- CVE-2026-50085CRITICALCVSS 9.8EG 9.82026-06-12
The Aqara Board service (op-test.aqara.com) accepts arbitrary MQTT command payloads, and forwards them to the platfom's HiveMQ broker without authentication. This is an instance of "CWE-306: Missing Authentication for Critical Function" an…
- CVE-2026-50136MEDIUMCVSS 5.3EG 5.32026-06-22
Budibase is an open-source low-code platform. Prior to 3.39.3, the application server exposes an unauthenticated endpoint that generates S3 PutObject presigned URLs using credentials stored in a workspace datasource. The route is protected…
- CVE-2026-50225CRITICALCVSS 9.1EG 9.12026-06-04
The registration path /v1/account/register provides no bot mitigation mechanisms, allowing malicious automated systems to flood the database.
- CVE-2026-50242CRITICALCVSS 9.8EG 10.02026-06-19
In JetBrains Hub before 2026.1.13757, 2025.3.148033, 2025.2.148048, 2025.1.148120, 2024.3.148430, 2024.2.148429 authentication bypass via direct database access leading to administrative access was possible
- CVE-2026-50245HIGHCVSS 7.7EG 7.72026-06-11
Brickcom cameras allow unauthenticated access to live snapshot images via the /ONVIF endpoint and no authentication is required to retrieve still images from the camera feed.
- CVE-2026-50287HIGHCVSS 8.7EG 8.72026-06-01
AgenticMail gives AI agents real email addresses and phone numbers. Prior to version 0.9.27, @agenticmail/mcp exposes a Streamable HTTP transport when started with --http or MCP_HTTP=1. In that mode, the /mcp endpoint accepts requests with…
- CVE-2026-5029HIGHCVSS 8.7EG 8.72026-05-12
A remote code execution vulnerability exists in Code Runner MCP Server when run with the --transport http option, which exposes the /mcp JSON-RPC endpoint without authentication on port 3088. An unauthenticated remote attacker can invoke …
- CVE-2026-50333HIGHCVSS 7.8EG 7.82026-07-14
Missing authentication for critical function in Windows Spaceport.sys allows an authorized attacker to elevate privileges locally.
- CVE-2026-50444HIGHCVSS 8.8EG 8.82026-07-14
Missing authentication for critical function in Windows Server Update Service allows an authorized attacker to elevate privileges over a network.
- CVE-2026-50451HIGHCVSS 7.8EG 7.82026-07-14
Missing authentication for critical function in Windows Routing and Remote Access Service (RRAS) allows an authorized attacker to elevate privileges locally.
- CVE-2026-50507MEDIUMCVSS 6.8EG 6.82026-06-09
Missing authentication for critical function in Windows BitLocker allows an unauthorized attacker to bypass a security feature with a physical attack.
- CVE-2026-50512HIGHCVSS 7.8EG 7.82026-06-09
Missing authentication for critical function in Microsoft PC Manager allows an authorized attacker to elevate privileges locally.
- CVE-2026-50759HIGHCVSS 7.5EG 7.52026-07-21
An issue in exo-explore exo 1.0.69 allows a remote attacker to escalate privileges via the GET /state and DELETE /instance/{instance_id} endpoints with no authentication.
- CVE-2026-51937HIGHCVSS 7.5EG 7.52026-07-07
An issue in Oneblog V2.3.9 allows a remote attacker to obtain sensitive information via the RestApiController.java, JsApiTicketComponent.java, and the GetAccessTokenComponent.java component
- CVE-2026-5300CRITICALCVSS 9.1EG 9.12026-04-08
Unauthenticated functionality in CoolerControl/coolercontrold <4.0.0 allows unauthenticated attackers to view and modify potentially sensitive data via HTTP requests
- CVE-2026-5320HIGHCVSS 7.3EG 7.32026-04-02
A vulnerability was detected in vanna-ai vanna up to 2.0.2. Affected by this vulnerability is an unknown functionality of the file /api/vanna/v2/ of the component Chat API Endpoint. Performing a manipulation results in missing authenticati…
- CVE-2026-53469CRITICALCVSS 8.1EG 9.12026-06-10
A flaw was found in migration-planner. An authenticated user can exploit this vulnerability by sending a DELETE request to the /api/v1/sources route, which lacks proper authorization and filtering. This allows for the destruction of all cu…
- CVE-2026-53512CRITICALCVSS 9.1EG 9.12026-07-07
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 refreshTo…
- CVE-2026-53647MEDIUMCVSS 6.9EG 6.92026-07-06
FOSSBilling is a free, open-source billing and client management system. In versions 0.5.3 through 0.7.2, the Guest `serviceapikey/get_info` API endpoint is accessible without authentication. Any caller with a valid API key can retrieve al…
- CVE-2026-53868HIGHCVSS 7.5EG 7.52026-06-12
Capgo before 12.128.2 contains a denial of service vulnerability allowing attackers to register accounts using arbitrary email addresses without verification, then initiate deletion to lock emails in pending deletion state. Attackers can p…
- CVE-2026-53869HIGHCVSS 7.5EG 7.52026-06-17
Hermes Agent before 0.16.0 contains a DNS rebinding vulnerability in WebSocket endpoints that allows remote attackers to bypass Host and Origin validation. FastAPI HTTP middleware does not execute for WebSocket upgrade requests on /api/pty…
- CVE-2026-53913CRITICALCVSS 9.8EG 9.82026-07-06
Improper Authentication, Missing Authentication for Critical Function, Not Failing Securely ('Failing Open') vulnerability in Apache Camel Keycloak Component. The KeycloakSecurityPolicy of camel-keycloak guards a route by running Keycloak…
- CVE-2026-53981HIGHCVSS 7.6EG 7.62026-06-12
Cap-go prior to 12.128.2 contains an account takeover vulnerability in its email change mechanism that allows an attacker with temporary authenticated session access to change the registered email address without re-authentication such as …
- CVE-2026-54036HIGHCVSS 8.1EG 8.12026-06-25
LibreChat is an enhanced ChatGPT clone that supports multiple AI providers. Prior to 0.8.4-rc1, the GET /api/auth/2fa/enable endpoint can be called by an authenticated user (or attacker with a stolen session) even when 2FA is already fully…
- CVE-2026-54040HIGHCVSS 7.1EG 7.12026-06-25
LibreChat is an enhanced ChatGPT clone that supports multiple AI providers. Prior to 0.8.4-rc1, the POST /api/auth/2fa/backup/regenerate endpoint regenerates all 2FA backup codes without requiring any TOTP token or existing backup code ver…
- CVE-2026-54061CRITICALCVSS 9.1EG 9.12026-07-08
Dgraph is an open source distributed GraphQL database. Prior to version 25.3.5, Dgraph Alpha exposes the RPCs used for external snapshot import on the public gRPC port `:9080` without authentication or authorization. As a result, an unauth…
- CVE-2026-54068MEDIUMCVSS 5.9EG 5.92026-06-24
SiYuan is an open-source personal knowledge management system. Prior to 3.7.0, the /api/icon/getDynamicIcon endpoint is explicitly excluded from authentication in SiYuan's kernel router (router.go, "不需要鉴权" -- no auth needed). Whe…
- CVE-2026-54088CRITICALCVSS 9.3EG 9.32026-06-25
File Browser is a file managing interface for uploading, deleting, previewing, renaming, and editing files within a specified directory. Prior to 2.63.6, the Hook Authentication feature in File Browser allows administrators to delegate log…
- CVE-2026-54103CRITICALCVSS 9.8EG 9.82026-06-18
The U.S. Government Accountability Office (GAO) Electronic Protest Docketing System (EPDS) and Civilian Board of Contract Appeals (CBCA) Electronic Docketing System (EDS) does not authenticate password change requests to the '/update-profi…
- CVE-2026-54130CRITICALCVSS 9.8EG 9.82026-06-18
Missing authentication for critical function in M365 Copilot allows an unauthorized attacker to disclose information over a network.
- CVE-2026-54309CRITICALCVSS 10.0EG 10.02026-06-16
n8n is an open source workflow automation platform. Prior to 2.25.7 and 2.26.2, when @n8n/mcp-browser is run in HTTP transport mode, the MCP endpoint accepts session initialization and tool invocation requests without any authentication. A…
- CVE-2026-54317HIGHCVSS 7.6EG 7.62026-06-19
Home Assistant is open source home automation software that puts local control and privacy first. Prior to 2026.6.0, the Konnected integration registers an HTTP endpoint, KonnectedView (homeassistant/components/konnected/__init__.py), that…
- CVE-2026-54776MEDIUMCVSS 4.4EG 4.42026-06-19
CoreWCF is a port of the service side of Windows Communication Foundation (WCF) to .NET Core. Prior to 1.8.1 and 1.9.1, a CoreWCF service hosted on Unix Domain Sockets with PosixIdentity client credentials can accept connections that skip …
- CVE-2026-55196CRITICALCVSS 9.1EG 9.12026-06-17
Hermes WebUI before 0.51.409 contains an authentication bypass vulnerability in passkey registration endpoints that allows unauthenticated remote attackers to register arbitrary passkeys. When HERMES_WEBUI_PASSKEY=1 is enabled with no exis…
- CVE-2026-55450CRITICALCVSS 9.3EG 9.32026-06-17
Langflow is a tool for building and deploying AI-powered agents and workflows. Prior to 1.9.1, unauthenticated users can upload any amount of data to the server without any limitations. No need for any prior knowledge, only network access …
- CVE-2026-55605MEDIUMCVSS 5.3EG 5.32026-07-09
DeepSeek MCP Server is an MCP server for DeepSeek V4. Starting in version 1.4.2 and prior to version 1.8.0, the self-hosted HTTP transport of `@arikusi/deepseek-mcp-server` exposes `POST /mcp` without any authentication: `createMcpExpressA…
- CVE-2026-55626HIGHCVSS 8.0EG 8.02026-07-20
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 insufficient authentication mechanisms. A…
- CVE-2026-55884CRITICALCVSS 9.2EG 9.22026-06-19
Tilt defines dev environments as code for microservice apps on Kubernetes. From 0.20.8 through 0.37.3, the Tilt HUD HTTP server registers handlers on a gorilla/mux router with no authenticating middleware. When the HUD is bound to a non-lo…
- CVE-2026-5616HIGHCVSS 7.3EG 7.32026-04-06
A security vulnerability has been detected in JeecgBoot 3.9.0/3.9.1. The impacted element is an unknown function of the file jeecg-boot/jeecg-module-system/jeecg-system-biz/src/main/java/org/jeecg/modules/airag/JeecgBizToolsProvider.java o…
- CVE-2026-56163CRITICALCVSS 10.0EG 10.02026-07-24
Missing authentication for critical function in Microsoft Azure Kubernetes Service allows an unauthorized attacker to elevate privileges over a network.
- CVE-2026-56164CRITICALCVSS 5.3EG 9.0⚠ KEV2026-07-14
Missing authentication for critical function in Microsoft Office SharePoint allows an unauthorized attacker to elevate privileges over a network.
- CVE-2026-56262MEDIUMCVSS 6.5EG 6.52026-06-24
Crawl4AI before 0.8.7 contains an authentication bypass vulnerability in the monitor router endpoints that allows unauthenticated attackers to access destructive operations. Remote attackers can invoke the /monitor/actions/cleanup endpoint…
- CVE-2026-56270HIGHCVSS 7.5EG 7.52026-04-16
Flowise before 3.1.0 (versions 3.0.13 and earlier) contains a missing authentication vulnerability in the /api/v1/loginmethod endpoint that allows unauthenticated users to retrieve an organization's complete SSO configuration, including OA…
- CVE-2026-56286HIGHCVSS 8.1EG 8.12026-07-01
Capgo before 12.128.2 contains an authentication bypass vulnerability in the account deletion endpoint that allows deletion without password re-authentication or secondary verification. Attackers can delete user accounts via session hijack…
- CVE-2026-56299MEDIUMCVSS 5.3EG 5.32026-06-21
Capgo before 12.128.2 contains an authentication bypass vulnerability in the /build/upload/:jobId/* endpoint that allows unauthenticated attackers to trigger consistent 500 errors. Remote attackers can send OPTIONS requests to bypass authe…
- CVE-2026-5632HIGHCVSS 7.3EG 7.32026-04-06
A vulnerability was found in assafelovic gpt-researcher up to 3.4.3. This impacts an unknown function of the component HTTP REST API Endpoint. Performing a manipulation results in missing authentication. It is possible to initiate the atta…
Map vulnerabilities like CWE-306 to your infrastructure
EchelonGraph correlates every CVE — across CWE-306 and 150+ other weakness categories — against the assets you actually run. See blast radius, fix versions, and remediation steps in one graph.
Start Free Scan →