Weakness (CWE)
CWE-287: Improper Authentication
When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.
How to prevent it (1 mitigation)
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Architecture and Design
Use an authentication framework or library such as the OWASP ESAPI Authentication feature.
Source: MITRE CWE-287
3,167 results · Feed
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Medium 5.3
IBM Db2 Mirror for i is affected by multiple vulnerabilities
IBM Db2 Mirror for i 7.4, 7.5, and 7.6 could allow a remote authenticated attacker to obtain sensitive information due to improper authentication.
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Critical 9.8
Metacat has an unauthenticated SQL injection vulnerability
Metacat is data repository software that helps researchers preserve, share, and discover data. Metacat versions 2.0.0 through 3.4.0 contain an unauthenticated SQL injection vulnerability in the `/cn/v1/object` and `/cn/v2/object` REST API endpoints due to uns…
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High —
Authorizer: Zero-click account takeover via OAuth identity linking to unverified email accounts
The OAuth callback handler links incoming OAuth identities (Google, GitHub, etc.) to existing accounts matched by email address without verifying that the existing account's email was verified by its original owner. An attacker who pre-registers with a victim…
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Medium 5.9
Epeken All Kurir <= 2.1.4 - Unauthenticated Order Payment Confirmation Forgery
The Epeken All Kurir for Woocommerce WordPress plugin through 2.1.4 does not verify that a payment-confirmation request originates from the owner of the targeted order, nor that any payment actually occurred, allowing unauthenticated attackers to mark arbitra…
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Critical 9.0
Budibase: OIDC SSO account takeover: incoming identity linked by email without checking email_verified
Budibase is an open-source low-code platform. Prior to 3.39.30, the OIDC flow in packages/backend-core/src/middleware/passport/sso/oidc.ts resolved an email without getEmailVerified or an email_verified requirement, and packages/backend-core/src/middleware/pa…
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Medium 5.3
OpenChoreo: Unauthenticated build/workflow trigger via git-provider confusion (webhook signature bypass)
OpenChoreo is a complete, open-source developer platform for Kubernetes. Prior to 1.0.3, 1.1.3, and 1.2.0-rc.2, the POST /api/v1alpha1/autobuild endpoint in internal/openchoreo-api/api/handlers/webhook_handler.go selected a webhook provider from caller-contro…
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Low 3.7
Tenda CH7 RTSP/ONVIF missing authentication
A vulnerability was detected in Tenda CH7, CH7G, CH10, CP3, CP3 Pro, CP7, TC3B14C, TC3B15C, TC3T14C and TC3T15C up to 20260625. Affected by this vulnerability is an unknown functionality of the component RTSP/ONVIF. Performing a manipulation results in missin…
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Medium 6.5
IBM i is Affected By Multiple Vulnerabilities in Digital Certificate Manager
IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote attacker to obtain sensitive information and perform unauthorized operations due to improper validation of authentication tokens.
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High 8.3
IBM i is Affected By Multiple Vulnerabilities in Navigator for i
IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote attacker to execute arbitrary code or obtain sensitive information due to improper authentication.
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High 7.3
IBM i is Affected By Multiple Vulnerabilities in Navigator for i
IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote attacker to obtain sensitive information due to improper authentication.
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High 7.4
Trigger.dev: Account Takeover via Cross-Provider OAuth Email Matching in Google Login
Trigger.dev is a platform for building and deploying fully managed AI agents and workflows. Prior to 4.5.2, addGoogleStrategy() in apps/webapp/app/services/googleAuth.server.ts passes a Google profile email to findOrCreateGoogleUser() in apps/webapp/app/model…
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High 8.1
IBM i is Affected By Multiple Vulnerabilities in NetServer
IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote attacker to access server resources with the privileges of an authenticated user due to improper authentication during NTLM session negotiation.
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High 8.1
IBM i is Affected By Multiple Vulnerabilities in Host Servers
IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote attacker to bypass security restrictions due to improper validation of client-asserted identity.
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Critical 9.8
Privilege Escalation via Access Token Scope Escalation in API
Privilege Escalation via Access Token Scope Escalation in API
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Critical 10.0
Priority - CWE-287: Improper Authentication
: Improper Authentication vulnerability in Priority Portal Generator addon to Priority ERP (developed by Soft Solutions). This issue affects Portal Generator addon to Priority ERP (developed by Soft Solutions): All versions without Priwall v3.
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Critical 9.8
Customer Email Verification for WooCommerce < 3.2.6 - Unauthenticated Account Takeover via Type-Juggling Authentication Bypass
The Customer Email Verification for WooCommerce WordPress plugin before 3.2.6 does not correctly validate the email-verification activation code, relying on a loose comparison that an attacker can satisfy with a crafted value type, allowing unauthenticated us…
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Medium 5.5
FUXA provides guest and invalid-token access to protected read APIs in secure mode
FUXA is a web-based Process Visualization (SCADA/HMI/Dashboard) software. When `secureEnabled=true`, FUXA `1.3.0-2773` still allows guest and invalid-token requests to read project, alarms, and scheduler APIs. Version 1.3.1 fixes this issue.
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Critical 9.1
kin-openapi: ValidationHandler.Load() Fail-Open Authentication Bypass via NoopAuthenticationFunc Default
kin-openapi is a Go project for handling OpenAPI files. Prior to 0.144.0, ValidationHandler.Load() in openapi3filter/validation_handler.go silently replaces a nil AuthenticationFunc with NoopAuthenticationFunc, which returns nil without checking credentials. …
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Critical 10.0
IBM Engineering Requirements Management DOORS Next is impacted by vulnerability in Reviews delete request
IBM DOORS Next 7.0.3 through 7.0.3 Interim Fix 018 could allow an authenticated user to bypass security logic to perform unauthorized activities.
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High 8.1
Security vulnerabilities have been found in IBM Verify Identity Access and IBM Security Verify Access
IBM Security Verify Access 10.0 through 10.0.9.2 and IBM Verify Identity Access 11.0 through 11.0.3 and IBM Verify Identity Access Container 11.0 through 11.0.3 could allow a remote attacker to access sensitive information due to an inconsistent interpretatio…
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High 7.4
Security vulnerabilities have been found in IBM Verify Identity Access and IBM Security Verify Access
IBM Security Verify Access 10.0 through 10.0.9.2 and IBM Verify Identity Access 11.0 through 11.0.3 and IBM Verify Identity Access Container 11.0 through 11.0.3 Reverse Proxy in certain configurations may provide weaker than expected cryptographic validation …
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High 7.5
Anonymous user token generation exposure in JFrog Artifactory
JFrog Artifactory could return an internal anonymous-user token to an unauthenticated caller when anonymous access is disabled, potentially exposing sensitive resources.
KEV Sep 11, 2026 -
Medium 5.3
Potential remember-me authentication bypass in JFrog Artifactory
An unauthenticated user may bypass authentication under specific cache conditions.
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Critical 9.4
Yuxi has a JWT Authentication Bypass Leading to Cross-Instance Administrator Token Reuse
Yuxi is a large-model-based intelligent knowledge base and knowledge graph agent development platform. Prior to version 0.6.2, the project's authentication mechanism contains a flaw. In affected versions, the system does not sufficiently validate the identity…
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High 8.8
An Improper Authentication vulnerability [CWE-287] vulnerability in Fortinet FortiWeb 8.0.0 through 8.0.2, FortiWeb 7.6…
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Medium 6.1
WP Photo Album Plus < 9.2.07.002 - Reflected XSS via lbstart
The WP Photo Album Plus WordPress plugin before 9.2.07.002 does not sanitise and escape a parameter before reflecting it into an inline script block, which could allow unauthenticated attackers to perform Reflected Cross-Site Scripting attacks against anyone …
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High 8.1
Social Login, Passkeys, Magic Link & Email OTP – Passwordless Login by VentraConnect <= 1.4.3 - Unauthenticated Authentication Bypass via Spotify OAuth Callback
The Social Login, Passkeys, Magic Link & Email OTP – Passwordless Login by VentraConnect plugin for WordPress is vulnerable to Authentication Bypass via Unverified Provider Email in all versions up to, and including, 1.4.3. This is due to the plugin trusting …
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High 8.3
FreeRDP: RDSTLS server authentication bypass: a credential-less Capabilities PDU is accepted at the auth step (fail-open `resultCode`)
FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.30.0, FreeRDP server-side RDSTLS in libfreerdp/core/rdstls.c accepts an attacker-supplied RDSTLS_TYPE_CAPABILITIES PDU while rdstls_server_authenticate is waiting for RDSTLS_TYPE_AUTH…
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High 7.5
Acm-search-v2-api-rhel9: search-v2-api: authentication bypass on /federated via upgrade: websocket header spoofing
A flaw was found in search-v2-api. The authentication middleware in the affected component unconditionally skips authentication when a request includes an `Upgrade: websocket` header. An unauthenticated attacker can exploit this by sending a specially crafted…
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High 8.8
Microsoft SharePoint Server Elevation of Privilege Vulnerability
Improper authentication in Microsoft Office SharePoint allows an authorized attacker to elevate privileges over a network.
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Critical 9.8
Authentication Bypass Leading to Account Takeover
An authentication bypass in ManageEngine DDI Central's password-reset workflow allows account takeover.
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Medium 5.3
Audiobookshelf: Refresh Token Accepted on Resource Endpoints
Audiobookshelf is a self-hosted audiobook and podcast server. Prior to 2.36.0, the jwtAuthCheck function in server/auth/TokenManager.js treats JWTs with the refresh token type as bearer access tokens on API and WebSocket resource endpoints such as /api/me ins…
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Medium 6.3
Improper authentication for some Intel(R) PROSet/Wireless WiFi Software for Windows within Ring 2: Device Drivers may a…
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High 7.0
Improper authentication in the Intel(R) TDX module for some Intel(R) platforms within Ring 0: Trust Domain may allow an…
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Medium 6.7
Improper authentication for some Intel(R) PROSet/Wireless WiFi Software within Ring 0: Kernel may allow an information …
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High 8.2
AutoGPT: Webhook provider path confusion bypasses generic webhook secret verification
AutoGPT is a workflow automation platform for creating, deploying, and managing continuous artificial intelligence agents. Prior to 0.6.70, AutoGPT's autogpt_platform/backend/backend/api/features/integrations/router.py webhook_ingress_generic route selected g…
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High 8.8
Portainer Portainer CE - Authentication Bypass
An authentication bypass vulnerability in Portainer CE through 2.44.0 allows authenticated low-privileged users to bypass Docker proxy authorization checks via non-canonical URL normalization, defeating all authorization middleware. The proxy endpoint fails t…
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Critical 9.8
An issue in usememos v0.27.1 allows a remote attacker to achieve account takeover via the ssoCredentials branch of the …
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Medium 5.9
AnythingLLM: Password recovery accepts one recovery code twice after whitespace normalization
AnythingLLM is an application that turns pieces of content into context that any LLM can use as references during chatting. From 1.0.0 to 1.15.0, AnythingLLM's unauthenticated account-recovery flow in server/utils/PasswordRecovery/index.js uses recoverAccount…
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Critical 9.8
sctp: auth: verify auth requirement when auth_chunk is NULL
In the Linux kernel, the following vulnerability has been resolved: sctp: auth: verify auth requirement when auth_chunk is NULL sctp_auth_chunk_verify() returns true unconditionally when chunk->auth_chunk is NULL, silently skipping authentication. This is inc…