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
871 results · Clear filters · 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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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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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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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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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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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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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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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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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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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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Medium 5.4
Block User Account < 2.0.1 - Subscriber+ Account Block Bypass via Application Passwords
The Block User Account WordPress plugin before 2.0.1 does not enforce its account block on every authentication path, allowing a blocked user who holds an application password created before the block to retain their full role-level read and write access thro…
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Medium 5.3
Appointment Hour Booking < 1.5.88 - Unauthenticated Booking Price Manipulation via tcost Parameter
The Appointment Hour Booking WordPress plugin before 1.5.88 does not validate a client-supplied booking price against the server-side configured service price, allowing unauthenticated users to submit an arbitrary final price (including zero or negative) that…
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Medium 4.8
Newsletters < 4.16 - Unauthenticated API Authentication Bypass via Type Juggling
The Newsletters WordPress plugin before 4.16 does not strictly compare its API authentication key, allowing unauthenticated attackers to bypass the API authentication via type juggling and perform privileged actions such as modifying subscriber records and se…
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Medium 5.3
Estatik Real Estate Plugin < 4.3.3 - Unauthenticated Arbitrary-Recipient Mail Relay via Request Form
The Estatik Real Estate Plugin WordPress plugin before 4.3.3 does not properly enforce its anti-spam check or restrict the recipient routing of its property request form, allowing unauthenticated users to send emails to arbitrary recipients with arbitrary sub…
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Medium 5.0
Baserow 2FA Verify Endpoint views.py verify improper authentication
A vulnerability was identified in Baserow up to 2.3.2. Affected by this vulnerability is the function verify of the file backend/src/baserow/api/two_factor_auth/views.py of the component 2FA Verify Endpoint. Such manipulation leads to improper authentication.…
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Medium 6.5CVE-2026-8508 Public exploit
An improper authentication vulnerability in the "social_login.cgi" CGI program in Zyxel WAX650S firmware versions throu…
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Medium 5.3
NewType WebEIP EIP_Com_FileList.aspx improper authentication
A vulnerability was detected in NewType WebEIP up to 3.0. This affects an unknown part of the file /EIP_Com_FileList.aspx. The manipulation results in improper authentication. It is possible to launch the attack remotely. The exploit is now public and may be …
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Medium 5.4
389-ds-base: 389-ds-base: sasl plain bind installs connection credentials before account-lock check, allowing continued access as a locked account
A flaw was found in 389 Directory Server. During SASL PLAIN authentication, the server installs connection-level bind credentials before performing the account-lock check. If the account is subsequently found to be locked, the bind is reported as failed to th…
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Medium 5.3
better-auth before 1.6.2 OAuth State Validation Bypass
better-auth versions before 1.6.2 fail to validate the OAuth state parameter against the stored nonce when using cookie-backed state storage without PKCE. Attackers can forge the state parameter and supply an attacker-controlled authorization code to create a…
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Medium 6.5
Authora - Easy Login with Mobile Number < 1.7.7 - Unauthenticated Account Takeover via OTP Disclosure
The Authora : Easy login with mobile number WordPress plugin before 1.7.7 does not keep its one-time login code confidential, returning the code and a valid verification token in the response of an unauthenticated action, allowing unauthenticated attackers to…
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Medium 6.8
Keycloak-services: keycloak-services: microsoft external access-token exchange bypasses configured tenant
Keycloak provides a way to let users log in using Microsoft accounts while restricting access to a specific organization (tenant). A flaw was discovered where this restriction is ignored when using the token exchange feature. This means an attacker with a val…
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Medium 4.1CVE-2026-56850 Public exploit
A flaw in Node.js HTTPS Agent connection reuse can cause PFX object-array key collisions, allowing mutual TLS (mTLS) cl…
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Medium 5.3
WP Delicious < 1.10.2 - Unauthenticated Arbitrary Post Meta Update via recipe_likes
The WP Delicious WordPress plugin before 1.10.2 does not perform an authorization check on one of its AJAX actions, allowing unauthenticated users to modify limited post metadata (a like counter and an associated identifier list) on arbitrary posts, including…
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Medium 6.5
Authentication bypass vulnerability
An authentication bypass vulnerability in Koollab LMS allowed an unauthenticated attacker to take over any account, including administrator accounts, by supplying a valid user UUID without providing primary credentials via the 2FA validation endpoint.
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Medium 5.3
Cosmos-Server's constellation public-devices endpoint accepts arbitrary bearer tokens
Cosmos provides users the ability self-host a home server by acting as a secure gateway to your application, as well as a server manager. In 0.22.18, `GET /cosmos/api/constellation/public-devices` discloses Constellation device metadata to a requester that su…
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Medium —
Pocket ID has a reauthentication bypass via one-time access token login — passkey step-up requirement defeated by JWT freshness check that accepts any login method
# Reauthentication Bypass via One-Time Access Token Login ## Summary A weaker authentication method (OTA token or signup token) is accepted as passkey step-up proof, yielding unauthorized renewable 30-day OIDC refresh tokens for clients explicitly configured …
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Medium 4.6
An authorization issue was addressed with improved state management. This issue is fixed in macOS Sequoia 15.7.8, macOS…
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Medium 6.5
WP User Frontend < 4.3.8 - Unauthenticated Author-less Attachment Deletion
The User Frontend: AI Powered Frontend Post Submission, User Directory, User Profile, Membership & User Registration WordPress plugin before 4.3.8 does not correctly verify ownership before deleting an attachment, allowing unauthenticated attackers to permane…
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Medium 6.3
Premium Packages <= 7.0.4 - Authentication Bypass to Non-Admin via 'wpdmppdl' Parameter
The Premium Packages – Sell Digital Products Securely plugin for WordPress is vulnerable to Authentication Bypass in all versions up to, and including, 7.0.4 via the `wpdmppdl` parameter. This is due to the `download()` function — hooked to the unauthenticate…
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Medium 4.3
Vulnerability in the Oracle Transportation Management product of Oracle Supply Chain (component: Authentication). The s…
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Medium 5.3
The Apple Find My backend service through 2025-12-17 allows an attacker in possession of a valid PET (Private Endpoint …
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Medium 4.3
Paymenter doesn't reset email verification status after email change
Paymenter is a free and open-source webshop solution for management of hosting services. In versions prior to 1.5.0, the email update functionality fails to invalidate the existing verification state when a user changes their email address, allowing a verifie…
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Medium 5.3
Flask-Security-Too OAuth reauthentication freshness bypass via cross- user OAuth identity acceptance
Flask-Security-Too allows users to add security features to their Flask applicationa. Version 5.8.0's OAuth reauthentication flow can mark a session as fresh after verifying an OAuth account that belongs to a different user. If an attacker can operate an alre…
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Medium 5.3
Webmin 2FA requirement bypass
Webmin is a web-based system administration tool for Unix-like servers. Prior to version 2.640, for Webmin accounts that require a second authentication factor (typically TOTP), an attacker with knowledge of the username and password can bypass the 2FA requir…
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Medium 5.6
Sipeed PicoClaw First Run Setup access_control.go authentication bypass
A vulnerability was detected in Sipeed PicoClaw up to 0.2.9. The impacted element is an unknown function of the file web/backend/middleware/access_control.go of the component First Run Setup. Performing a manipulation of the argument allowed_cidrs results in …
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Medium 6.3
SurrealDB before 1.5.4 Authentication Bypass via Database Switch
SurrealDB before 1.5.4 and 2.0.0-alpha.1 before 2.0.0-alpha.6 fails to properly validate authentication when a scope user switches databases using the USE clause or use method. Attackers with an authenticated session can impersonate an unrelated user in a dif…
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Medium 5.3
Sipeed PicoClaw LINE Webhook line.go webhook.ParseRequest authentication replay
A security flaw has been discovered in Sipeed PicoClaw up to 0.2.9. This affects the function webhook.ParseRequest of the file pkg/channels/line/line.go of the component LINE Webhook. The manipulation results in authentication bypass by capture-replay. The at…
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Medium 6.3
AstrBotDevs AstrBot API open_api.py OpenApiRoute.chat_send authentication spoofing
A vulnerability has been found in AstrBotDevs AstrBot up to 4.25.5. This issue affects the function OpenApiRoute.chat_send of the file astrbot/dashboard/routes/open_api.py of the component API. Such manipulation of the argument Username leads to authenticatio…
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Medium 6.3
poco-ai poco-claw executor_manager API tasks.py create_task missing authentication
A vulnerability was determined in poco-ai poco-claw up to 0.5.4. This vulnerability affects the function create_task of the file executor_manager/app/api/v1/tasks.py of the component executor_manager API. Executing a manipulation can lead to missing authentic…