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CWE-306 (关键功能的认证机制缺失) — Vulnerability Class 1912

1912 vulnerabilities classified as CWE-306 (关键功能的认证机制缺失). AI Chinese analysis included.

CWE-306 represents a critical authentication weakness where software fails to verify user identity before executing sensitive operations or consuming substantial resources. Attackers typically exploit this vulnerability by directly invoking administrative endpoints, initiating high-cost processes, or accessing restricted data without valid credentials, effectively bypassing security controls. This oversight allows unauthorized users to perform actions intended only for authenticated individuals, leading to privilege escalation, data breaches, or denial of service through resource exhaustion. To mitigate this risk, developers must implement robust access control mechanisms that strictly enforce authentication checks on all critical functions. This involves integrating secure session management, validating tokens for every request, and applying the principle of least privilege to ensure that only verified users with appropriate permissions can trigger sensitive operations or consume significant system resources.

MITRE CWE Description
The product does not perform any authentication for functionality that requires a provable user identity or consumes a significant amount of resources.
Common Consequences (1)
Access Control, Other Gain Privileges or Assume Identity, Varies by Context
Exposing critical functionality essentially provides an attacker with the privilege level of that functionality. The consequences will depend on the associated functionality, but they can range from reading or modifying sensitive data, accessing administrative or other privileged functionality, or p…
Mitigations (5)
Architecture and Design Divide the software into anonymous, normal, privileged, and administrative areas. Identify which of these areas require a proven user identity, and use a centralized authentication capability. Identify all potential communication channels, or other means of interaction with the software, to ensure that all channels are appropriately protected, including those channels that are assumed to be access…
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 Where possible, avoid implementing custom, "grow-your-own" authentication routines and consider using authentication capabilities as provided by the surrounding framework, operating system, or environment. These capabilities may avoid common weaknesses that are unique to authentication; support automatic auditing and tracking; and make it easier to provide a clear separation between authentication…
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 [REF-45].
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 [REF-1297] [REF-1298] [REF-1302].
Examples (2)
In the following Java example the method createBankAccount is used to create a BankAccount object for a bank management application.
public BankAccount createBankAccount(String accountNumber, String accountType, String accountName, String accountSSN, double balance) { BankAccount account = new BankAccount(); account.setAccountNumber(accountNumber); account.setAccountType(accountType); account.setAccountOwnerName(accountName); account.setAccountOwnerSSN(accountSSN); account.setBalance(balance); return account; }
Bad · Java
private boolean isUserAuthentic = false; // authenticate user, // if user is authenticated then set variable to true // otherwise set variable to false public boolean authenticateUser(String username, String password) { ... } public BankAccount createNewBankAccount(String accountNumber, String accountType, String accountName, String accountSSN, double balance) { BankAccount account = null; if (isUserAuthentic) { account = new BankAccount(); account.setAccountNumber(accountNumber); account.setAccountType(accountType); account.setAccountOwnerName(accountName); account.setAccountOwnerSSN(accountS
Good · Java
In 2022, the OT:ICEFALL study examined products by 10 different Operational Technology (OT) vendors. The researchers reported 56 vulnerabilities and said that the products were "insecure by design" [REF-1283]. If exploited, these vulnerabilities often allowed adversaries to change how the products operated, ranging from denial of service to changing the code that the products executed. Since these…
CVE ID Title CVSS Severity Published
CVE-2026-110825 Kiloview E3 NDI Encoder Missing Authentication for Critical Function — E3 Firmware 7.5 High 2026-10-22
CVE-2026-111100 Kiloview E3 NDI Encoder Missing Authentication for Critical Function — E3 Firmware 5.3 Medium 2026-10-22
CVE-2026-83938 Azure Kubernetes Configuration Service Elevation of Privilege Vulnerability — Azure Kubernetes Configuration Service 10.0 Critical 2026-10-22
CVE-2026-13599 ABB Ability Edgenius | Missing Authentication in Edgenius AuthDB — Ability Edgenius 7.8 High 2026-10-22
CVE-2026-114636 Traefik v3.7.13 Authentication Bypass via ssl-passthrough Ingress HTTP Router — traefik 8.7 High 2026-10-22
CVE-2026-103090 Unauthenticated Biscuit Credential Disclosure via GET /enroll/status in Google OSS Agent Mesh (SAM) — SAM 8.8 High 2026-10-21
CVE-2026-114439 oretnom23 php-travel-agency-system Session session.php missing authentication — php-travel-agency-system 7.3 High 2026-10-21
CVE-2026-111811 Apache Traffic Server: tsmemcache plugin exposes the shared proxy cache over the network with no authentication — Apache Traffic Server 9.0 Critical 2026-10-21
CVE-2026-105944 Apache Pulsar Manager: Missing authentication and authorization and disclosure of the Pulsar admin credential; end of life — Apache Pulsar Manager 10.0 Critical 2026-10-21
CVE-2026-114261 MomoTommy file-management-system Files API FileController.php destroy missing authentication — file-management-system 7.3 High 2026-10-21
CVE-2026-114123 D365 F&O MCP Server: Official Azure one-click deployment ships with authentication disabled by default, exposing proprietary X++ source over the public internet — d365fo-mcp-server 7.5 High 2026-10-21
CVE-2026-114260 oretnom23 file-management-system-php AJAX ajax.php delete_folder missing authentication — file-management-system-php 6.5 Medium 2026-10-21
CVE-2026-76524 Open Source Snort 3 Control Channel Socket Aribitrary Command Execution Vulnerability — Cisco Open Source Snort3 7.8 High 2026-10-21
CVE-2024-5563 Incomplete reCaptcha Implementation in Authentication Flows in WSO2 Identity Server Allows Brute Force Attacks — WSO2 Identity Server 4.8 Medium 2026-10-21
CVE-2026-114248 dhikshitha29 Insurance-Management-System Plan Management Form AddNewPlan-inc.php missing authentication — Insurance-Management-System 5.3 Medium 2026-10-21
CVE-2026-78334 Apache bRPC: Missing Authentication for Streaming RPC Frames — Apache bRPC - - 2026-10-21
CVE-2026-59562 Apache IoTDB: Remote code execution and Unauthenticated path traversal in legacy pipe sendFile RPC — Apache IoTDB - - 2026-10-21
CVE-2026-114108 HKUDS Vibe-Trading before 0.1.7 Missing Authentication in FastAPI Server Enabling RCE — Vibe-Trading 9.8 Critical 2026-10-21
CVE-2026-114092 Trigger.dev before 4.5.0 Missing Authentication in Dashboard Run Replay Action — trigger.dev 6.5 Medium 2026-10-21
CVE-2026-114090 Trigger.dev CLI 3.0.0 before 4.5.4 Missing Authentication in MCP Server — cli-v3 7.1 High 2026-10-21
CVE-2026-114086 Trigger.dev before 4.5.5 Unauthenticated Realtime Stream Data Injection via Streams Endpoint — trigger.dev 5.3 Medium 2026-10-21
CVE-2026-114085 Trigger.dev through 4.7.6 Missing Authentication in Supervisor Workload API — trigger.dev 7.9 High 2026-10-21
CVE-2026-113648 ApostropheCMS: Missing Authentication in `cleanExport` Route — apostrophe 3.1 Low 2026-10-20
CVE-2026-113358 LavaLite CMS through 10.1.2 Missing Authentication via Filer Download Routes — cms 7.5 High 2026-10-20
CVE-2026-75753 ASUS 路由器固件关键功能缺失认证漏洞 — Router 5.3 Medium 2026-10-20
CVE-2026-77932 DB-GPT through 0.8.2 Unauthenticated RCE via /api/v1/chat/react-agent — DB-GPT 9.8 Critical 2026-10-20
CVE-2026-75128 Langchain-Chatchat through 0.3.1.3 Unauthenticated RCE via /tools/call Endpoint — Langchain-Chatchat 9.8 Critical 2026-10-20
CVE-2026-109442 piflow 2.0.0 through 2.0.1 Unauthenticated RCE via Chat Agent exec_shell — piflow 9.8 Critical 2026-10-20
CVE-2026-82166 Dell Application Store 26.05.0.7 前版本身份验证缺失漏洞 — Application Store 8.8 High 2026-10-19
CVE-2026-112143 satya-vinay Events-Management-System missing authentication — Events-Management-System 7.3 High 2026-10-19

Vulnerabilities classified as CWE-306 (关键功能的认证机制缺失) represent 1912 CVEs. The CWE taxonomy describes the weakness; review individual CVEs for product-specific impact.