CWE-287: Improper Authentication, page 21
Filter
When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.
What the weakness is: CWE-287 at MITRE
Ask an AI about CWE-287
ChatGPTClaudePerplexityGoogle AI Mode
Show the prompt
Explain CWE-287: Improper Authentication and how to prevent and detect it in code. Use https://cwe.mitre.org/data/definitions/287.html and https://cve.bz/cve/cwe/287?via=ask-ai-copy for recent CVEs with this weakness. Cite the sources.Opens a third-party assistant; its answer is its own, not cve.bz's. The prompt holds only this weakness's id and public links.
- 6.9CVE-2026-11345EPSS 0.4%
An Improper Authentication vulnerability in the /api/Cdn/GetFile endpoint of linqi allows unauthenticated, remote attackers to bypass file access controls. The ValidateAnonFileAccess function incorrectly grants access if an 'AnonFile' quer…
- 9.8CVE-2026-6274EPSS 0.5%
Improper Authentication, Missing authentication for critical function, Weak Authentication vulnerability in DTS Electronics Industry and Trade Ltd. Co. Redline WR3200 allows Accessing Functionality Not Properly Constrained by ACLs. This i…
- 8.2CVE-2023-5502EPSS 0.3%
On affected platforms running Arista EOS with 802.1x authentication configured on the access/trunk ports, and routing enabled on the access VLAN of the ports, a malicious supplicant may be able to bypass the requirement to perform 802.1x a…
- 7.2CVE-2026-49203EPSS 0.2%
Crucial management API endpoints for cellular eSIM allocation do not validate caller authorization, allowing remote profiles to be rewritten or deleted.
- 8.8CVE-2026-49202EPSS 0.3%
Internal multimedia session archives are accessible without authentication, exacerbated by loose Cross-Origin Resource Sharing (CORS) rules that allow cross-site theft.
- 9.4CVE-2026-49194EPSS 0.2%
The debugging routine SCREEN_CLICK(5053) enables a connection to skip the standard device login prompt entirely and directly enter an interactive shell interface.
- 9.3CVE-2026-49191EPSS 0.3%
The production build of the M3WebServer hard-codes its backend API keys, which can be easily intercepted through verbose error handling pages.
- 8.6CVE-2026-49186EPSS 0.3%
The local MQTT broker does not enforce topic-level Access Control Lists (ACLs). This allows any client to subscribe using wildcard characters (# or +) to enumerate hidden network devices or publish rogue control commands.
- 5.5CVE-2026-10777EPSS 0.4%
A vulnerability was identified in ealpha072 Student-Management-System up to 01451bd7a2f58cdda07bd0b86e3967582e3ecd08. Affected by this issue is some unknown functionality of the file admin/config.php of the component Administrative Backend…
- 9.8CVE-2026-49448EPSS 0.4%
authentik is an open-source identity provider. Prior to versions 2025.12.6, 2026.2.4, and 2026.5.1, the Source stage can be bypassed by sending an empty POST. This issue has been patched in versions 2025.12.6, 2026.2.4, and 2026.5.1.
- 8.8CVE-2026-49443EPSS 0.3%
authentik is an open-source identity provider. Prior to versions 2025.12.6, 2026.2.4, and 2026.5.1, an attacker with the ability to change a source connection, and an account in one of the configured sources can log into any account. This …
- 5.3CVE-2026-45289EPSS 0.1%
CloudburstMC Protocol is a protocol library for Minecraft Bedrock Edition. Prior to version 3.0.0.Beta12-20260420.182526-15, CloudburstMC Protocol is partially missing validation for FULL type authentication tokens (Cloudburst/Protocol). T…
- 5.5CVE-2026-10619EPSS 0.5%
A vulnerability was detected in sayan365 student-management-system up to 7f3c9ce7d410332335c2affac93a385485051800. This impacts an unknown function. The manipulation results in improper authentication. The attack can be executed remotely. …
- 9.8CVE-2026-5076EPSS 0.4%
The ARMember Premium plugin for WordPress is vulnerable to an insecure password reset mechanism in all versions up to, and including, 7.3.1. The plugin stores a plaintext copy of the password reset key in the `arm_reset_password_key` user …
- 5.5CVE-2026-10617EPSS 0.4%
A security vulnerability has been detected in nextlevelbuilder GoClaw up to 3.11.3. This affects the function resolveAuth of the file internal/http/auth.go of the component Webhook Verification Handler. The manipulation leads to missing au…
- 8.2CVE-2026-10611EPSS 0.4%
An authentication bypass vulnerability exists in MISP when LDAP mixed authentication is enabled with OTP enforcement. In deployments configured with LdapAuth.mixedAuth=true and Security.require_otp=true, users authenticated through an auth…
- 7.5CVE-2026-8293EPSS 0.2%
The Really Simple Security WordPress plugin before 9.5.10.1 does not enforce the second-factor challenge in two of its two-factor authentication REST endpoints, allowing an attacker who knows a user's password to obtain a WordPress authen…
- 1.9CVE-2026-10548EPSS 0.1%
A security flaw has been discovered in NousResearch hermes-agent up to 2026.4.23. This affects the function _sync_anthropic_entry_from_credentials_file of the file agent/credential_pool.py of the component Credential Pool Synchronization. …
- 7.5CVE-2026-40964EPSS 0.4%
Authentication Bypass in cf-auth-proxy in Cloud Foundry Foundation all installations allows an unauthenticated remote attacker to gain read access to every log and metric for every application and platform component via minting a JWT that …
- 5.5CVE-2026-10288EPSS 0.5%
A vulnerability was identified in code-projects Hotel and Tourism Reservation System 1.0. This issue affects the function password_verify of the file /admin/login.php of the component Admin Login. Such manipulation of the argument Password…
- 5.9CVE-2026-45691EPSS 0.3%
Nextcloud is an open source content collaboration platform. In Nextcloud Server from versions 32.0.0 to before 32.0.9, and 33.0.0 to before 33.0.3, a pre-2FA session cookie (created after successful password authentication but before TOTP …
- 5.9CVE-2026-45690EPSS 0.3%
Nextcloud is an open source content collaboration platform. In Nextcloud Server from versions 32.0.0 to before 32.0.9, and 33.0.0 to before 33.0.3, an authentication bypass vulnerability allowed attackers with knowledge of a user's passwor…
- 4.3CVE-2026-45283EPSS 0.2%
Nextcloud is an open source content collaboration platform. In Nextcloud Server from versions 32.0.0 to before 32.0.2, and 33.0.0 to before 33.0.1, the files_lock app did not properly validate the ownership of files when processing DAV loc…
- 5.3CVE-2026-10283EPSS 0.3%
A vulnerability was detected in Bottelet DaybydayCRM up to 2.2.1. Affected is an unknown function of the component Setting Handler. Performing a manipulation results in missing authentication. Remote exploitation of the attack is possible.…
- 5.5CVE-2026-10281EPSS 0.4%
A weakness has been identified in Enderfga claw-orchestrator up to 3.5.5. This affects the function EmbeddedServer of the file src/embedded-server.ts of the component API Endpoint. This manipulation causes missing authentication. The attac…
- 8.1CVE-2026-45156EPSS 0.4%
Nextcloud is an open source content collaboration platform. From versions 0.3.0 to before 3.1.0, 5.0.0 to before 5.1.0, and 6.0.0 to before 6.4.0, a missing signature verification in User OIDC allowed a malicious ID4me authority to identif…
- 4.6CVE-2026-45153EPSS 0.2%
Nextcloud is an open source content collaboration platform. From version 33.0.0 to before version 33.1.0, after unlocking a locked Android phone the back-button could be used to bypass the Nextcloud Files app PIN. This issue has been patch…
- 5.5CVE-2026-10243EPSS 0.6%
A security vulnerability has been detected in code-projects Smart Parking System 1.0. Affected is an unknown function of the component Admin Endpoint. Such manipulation leads to missing authentication. It is possible to launch the attack r…
- 5.5CVE-2026-10167EPSS 0.4%
A weakness has been identified in OUSL-GROUP-BrinaryBrains School Student Management System up to 1e70e5ad1125b86dca4ee086eb6bb121f17708b6. This impacts the function sign_auth_cookie of the file application/controllers/Login.php of the com…
- 5.5CVE-2026-10157EPSS 0.4%
A vulnerability was identified in Open5GS up to 2.7.6. This impacts an unknown function of the file src/amf/ngap-handler.c of the component NGAP PathSwitchRequest Message Handler. The manipulation leads to improper authentication. It is po…
- 7.5CVE-2026-46579EPSS 0.4%
A flaw was found in the OpenShift Router. When a Route has `insecureEdgeTerminationPolicy` set to Allow, the HTTP frontend does not remove `X-SSL-Client-*` headers from incoming requests. This allows an unauthenticated attacker to send pla…
- 10.0CVE-2026-49197EPSS 0.3%
Web endpoints intended for the Acer Connect app improperly validate the HTTP Authorization header, failing to block requests when Base64 decoding fails.
- 9.8CVE-2026-3655EPSS 0.5%
The OTP Login With Phone Number, OTP Verification plugin for WordPress is vulnerable to authentication bypass in versions 1.8.50 through 1.8.60. This is due to the Firebase verification flow in the `lwp_ajax_register` AJAX handler not bind…
- 10.0CVE-2026-46840EPSS 0.7%
Vulnerability in Oracle REST Data Services (component: Backend-as-a-Service). Supported versions that are affected are 24.2.0-26.1.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTPS to compro…
- 8.8CVE-2026-46827EPSS 0.2%
Vulnerability in the Oracle Payroll product of Oracle E-Business Suite (component: Self Service Manager). Supported versions that are affected are 12.2.3-12.2.15. Easily exploitable vulnerability allows low privileged attacker with networ…
- 9.8CVE-2026-46817KEVEPSS 12%
Vulnerability in the Oracle Payments product of Oracle E-Business Suite (component: File Transmission). Supported versions that are affected are 12.2.3-12.2.15. Easily exploitable vulnerability allows unauthenticated attacker with network…
- 7.4CVE-2026-48526EPSS 0.4%
PyJWT is a JSON Web Token implementation in Python. Prior to 2.13.0, when the verifier is decoding JSON Web Tokens, while supporting both asymmetric and HMAC algorithms, the library does not validate use of JSON Web Keys in HMAC algorithm,…
- 9.3CVE-2026-8979EPSS 0.8%
The Mennekes Amtron series (firmware versions ≤ 5.22.3) is vulnerable to an authentication bypass. An unauthenticated remote attacker can change the password of the user account via a crafted POST request to the /operator/operator endpoint.
- 6.9CVE-2026-44720EPSS 0.2%
OpenLearnX is an open-source, decentralized learning and assessment platform. Prior to 2.0.4, a critical authentication vulnerability was identified in OpenLearnX that could allow unauthorized access to user accounts under specific conditi…
- 7.9CVE-2026-44711EPSS 0.2%
pam_usb provides hardware authentication for Linux using ordinary removable media. Prior to 0.8.7, symlink attacks on pad directory and pad files enable authentication bypass and root file corruption. This vulnerability is fixed in 0.8.7.
- 7.1CVE-2026-47272EPSS 0.1%
pam_usb provides hardware authentication for Linux using ordinary removable media. Prior to 0.9.0, the pusb_pad_compare() function in src/pad.c only verified that the user-side pad (~/.pamusb/device.pad) could be read, but did not enforce …
- 7.4CVE-2026-44460EPSS 0.3%
FileRise is a self-hosted web-based file manager with multi-file upload, editing, and batch operations. Prior to 3.12.0, /api/totp_setup.php is callable from a session that has only passed the password check (state pending_login_user). Whe…
- 5.5CVE-2025-68712EPSS 0.1%
SpSoft AppLock (com.sp.protector.free) 7.9.40 for Android allows a local attacker with physical access to bypass fingerprint or PIN authentication. Although the app integrates Android's biometric mechanisms, the lock is implemented with a …
- 9.1CVE-2026-7876EPSS 0.3%
IBM Aspera HSTS for CP4I 1.5.1 through 1.5.19 is affected by an authentication bypass vulnerability. A transfer client may be able to take advantage of this vulnerability to access files in the server's local storage that they should not h…
- 8.1CVE-2026-8994EPSS 0.4%
The Login with NEAR plugin for WordPress is vulnerable to Authentication Bypass in all versions up to, and including, 0.3.3. The `ajaxLoginWithNear()` function — registered as a `wp_ajax_nopriv` action and therefore reachable by unauthenti…
- 7.5CVE-2026-44847EPSS 0.3%
MaxKB is an open-source AI assistant for enterprise. Prior to 2.9.0, MaxKB's webhook trigger endpoint (/api/trigger/v1/webhook/{trigger_id}) is accessible without authentication. The WebhookAuth class unconditionally returns (None, {}), wh…
- 9.3CVE-2026-47202EPSS 0.2%
Kavita is a cross platform reading server. Prior to 0.9.0.2, an Improper Token validation flaw permits a remote and unauthenticated threat actor to request a JWT for any user including admins given knowledge of their username. This vulnera…
- 6.8CVE-2026-44707EPSS 0.3%
Chatwoot is a customer engagement suite. From 2.14.0 to before 4.13.0, a Pre-Account Takeover (Pre-ATO) vulnerability existed in Chatwoot's authentication flow. Because email confirmation was not enforced before an account became usable, a…
- 8.2CVE-2026-48897EPSS 0.2%
Insufficient state checks lead to a vector that allows to bypass 2FA checks.
- 8.2CVE-2026-48896EPSS 0.4%
Insufficient state checks lead to a vector that allows to bypass 2FA checks.