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CWE-287 (认证机制不恰当) — Vulnerability Class 1381

1381 vulnerabilities classified as CWE-287 (认证机制不恰当). AI Chinese analysis included.

CWE-287 represents a critical authentication weakness where a system fails to adequately verify the identity of an actor claiming a specific identity. This flaw typically allows attackers to bypass security controls by exploiting insufficient verification mechanisms, enabling unauthorized access through stolen credentials, brute-force attacks, or session hijacking. When authentication logic is flawed, malicious entities can impersonate legitimate users, leading to severe data breaches and privilege escalation. Developers mitigate this risk by implementing robust, multi-factor authentication protocols and ensuring that identity verification processes are rigorous and resistant to common attack vectors. By strictly validating credentials against secure, hashed databases and employing adaptive security measures, organizations can significantly reduce the likelihood of unauthorized access, thereby protecting sensitive information and maintaining system integrity against sophisticated cyber threats.

MITRE CWE Description
When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.
Common Consequences (1)
Integrity, Confidentiality, Availability, Access ControlRead Application Data, Gain Privileges or Assume Identity, Execute Unauthorized Code or Commands
This weakness can lead to the exposure of resources or functionality to unintended actors, possibly providing attackers with sensitive information or even execute arbitrary code.
Mitigations (1)
Architecture and DesignUse an authentication framework or library such as the OWASP ESAPI Authentication feature.
Examples (2)
The following code intends to ensure that the user is already logged in. If not, the code performs authentication with the user-provided username and password. If successful, it sets the loggedin and user cookies to "remember" that the user has already logged in. Finally, the code performs administrator tasks if the logged-in user has the "Administrator" username, as recorded in the user cookie.
my $q = new CGI; if ($q->cookie('loggedin') ne "true") { if (! AuthenticateUser($q->param('username'), $q->param('password'))) { ExitError("Error: you need to log in first"); } else { # Set loggedin and user cookies. $q->cookie( -name => 'loggedin', -value => 'true' ); $q->cookie( -name => 'user', -value => $q->param('username') ); } } if ($q->cookie('user') eq "Administrator") { DoAdministratorTasks(); }
Bad · Perl
GET /cgi-bin/vulnerable.cgi HTTP/1.1 Cookie: user=Administrator Cookie: loggedin=true [body of request]
Attack
In January 2009, an attacker was able to gain administrator access to a Twitter server because the server did not restrict the number of login attempts [REF-236]. The attacker targeted a member of Twitter's support team and was able to successfully guess the member's password using a brute force attack by guessing a large number of common words. After gaining access as the member of the support st…
CVE IDTitleCVSSSeverityPublished
CVE-2026-58399 @acastellon/auth has an authentication bypass via spoofable headers in validateToken() — module-auth--2026-07-01
CVE-2026-11387 SMS Alert <= 3.9.5 - Unauthenticated Privilege Escalation via Arbitrary Password Reset — SMS Alert – SMS & OTP for WooCommerce, Order Notifications & Abandoned Cart Recovery 9.8 Critical2026-07-01
CVE-2026-56219 Capgo - Unauthenticated RBAC Bindings and Email Disclosure via get_org_user_access_rbac NULL-auth Bypass — Capgo 7.5 High2026-06-30
CVE-2026-10560 Unauthenticated Access to Private Flow Build Events and Cancellation in Langflow OSS — Langflow OSS 8.2 High2026-06-30
CVE-2026-55955 Apache Tomcat: EncryptInterceptor not protected against replay attacks — Apache Tomcat--2026-06-29
CVE-2026-41896 Coolify: Unauthenticated Deployment Trigger via Webhook HMAC Bypass with Null Secret — coolify 7.5 High2026-06-29
CVE-2026-13543 Documenso Google OAuth Login handle-oauth-callback-url.ts improper authentication — Documenso 5.6 Medium2026-06-29
CVE-2026-11703 Missing SNI/ALPN binding on stateful (session-ID) TLS session resumption — wolfSSL--2026-06-25
CVE-2026-55962 TLS 1.3 post-handshake authentication: server accepts Finished without client Certificate/CertificateVerify — wolfSSL--2026-06-25
CVE-2026-54089 File Browser: Authentication Bypass via Proxy Auth Header Forgery — filebrowser 9.1 Critical2026-06-25
CVE-2026-55759 Rocket.Chat: Apple Sign-In skips JWT claims validation, allowing expired and cross-audience token replay — Rocket.Chat 7.4 High2026-06-24
CVE-2026-55666 Rocket.Chat: Email Parameter Fallback Leads To Account Takeover Within Apple OAuth — Rocket.Chat--2026-06-24
CVE-2026-13208 Kubevirt: virt-handler-rhel9: kubevirt: virt-handler notify server trusts vmi identity from unauthenticated grpc request body — Red Hat OpenShift Virtualization 4 6.5 Medium2026-06-24
CVE-2026-56237 Capgo - Unauthenticated API Key Generation via Client-Side Parameter Manipulation — Capgo 9.1 Critical2026-06-24
CVE-2026-56223 Capgo - Account Takeover via Cross-Domain SSO Email Assertion in provision-user — Capgo 8.7 High2026-06-24
CVE-2026-12112 Foreman-mcp-server: mcp server: active session hijacking via insecure session state reuse — Red Hat Satellite 6.18 7.8 High2026-06-23
CVE-2026-54320 Daytona: Cross-tenant organization takeover via invitation acceptance with an unverified email — daytona 8.4 High2026-06-23
CVE-2026-52845 Caddy: FastCGI header normalization bypass in `forward_auth copy_headers` — caddy 8.1 High2026-06-23
CVE-2026-34917 revive adserver 授权问题漏洞 — Adserver--2026-06-23
CVE-2026-44961 revive adserver 授权问题漏洞 — Adserver--2026-06-23
CVE-2026-10845 IBM WebSphere Application Server is affected by an authentication bypass vulnerability — WebSphere Application Server--2026-06-22
CVE-2026-7664 Unauthenticated Flow Execution via Webhook Endpoint in Langflow OSS — Langflow OSS 9.8 Critical2026-06-22
CVE-2026-12773 BerriAI litellm MCP Proxy user_api_key_auth_mcp.py UserAPIKeyAuth improper authentication — litellm 7.3 High2026-06-21
CVE-2026-56345 AVideo - Arbitrary User Session Hijacking via Meet Plugin uploadRecordedVideo Endpoint — AVideo 8.1 High2026-06-20
CVE-2026-56294 capacitor-native-biometric - Authentication Bypass via Unvalidated CryptoObject in onAuthenticationSucceeded — capacitor-native-biometric 4.8 Medium2026-06-20
CVE-2026-56080 Cap-go - Authentication Logic Flaw in Enforce Password Policy — capgo 4.9 Medium2026-06-19
CVE-2026-45480 Azure Active Directory Elevation of Privilege Vulnerability — Azure Active Directory 10.0 Critical2026-06-19
CVE-2026-50559 Authentication/Authorization Bypass via Advanced Path Normalization Vulnerabilities — quarkus 7.5 High2026-06-19
CVE-2026-49872 Apache APISIX: Improper authentication in cas-auth plugin — Apache APISIX--2026-06-19
CVE-2026-32174 Azure Bot Service Elevation of Privilege Vulnerability — Azure AI Bot Service 7.7 High2026-06-18

Vulnerabilities classified as CWE-287 (认证机制不恰当) represent 1381 CVEs. The CWE taxonomy describes the weakness; review individual CVEs for product-specific impact.