CyberSecBulletin

Improper Authentication

CWE-287

When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.

We track 1,836 vulnerabilities of this type. 100% are rated high or critical, and the average CVSS score is 8.7. 52 have been exploited in real attacks.

How this weakness is prevented

  • Architecture and Design: Use an authentication framework or library such as the OWASP ESAPI Authentication feature.

Latest Improper Authentication vulnerabilities

  • 9.3 Critical severity

    ArubaOS (AOS): Improper Authentication

    CVE-2026-79873Hewlett Packard Enterprise

    Authentication bypass vulnerabilities in the PAPI protocol of AOS-10 could allow an unauthenticated adjacent attacker to circumvent existing authentication controls. Successful exploitation could allow an attacker to gain administrative access, modify system c

  • 9.6 Critical severity

    ArubaOS (AOS): Improper Authentication

    CVE-2026-79870Hewlett Packard Enterprise

    An authentication bypass vulnerability in the PAPI protocol of AOS-8 could allow an unauthenticated adjacent attacker to circumvent existing authentication controls. Successful exploitation could allow an attacker to gain administrative access, modify system c

  • 9.6 Critical severity

    ArubaOS (AOS): Improper Authentication

    CVE-2026-79869Hewlett Packard Enterprise

    Authentication bypass vulnerabilities in the affected interface of AOS-10 could allow an unauthenticated adjacent attacker to circumvent existing authentication controls. Successful exploitation could allow an attacker to execute arbitrary commands as a privil

  • 9.6 Critical severity

    ArubaOS (AOS): Improper Authentication

    CVE-2026-79868Hewlett Packard Enterprise

    Authentication bypass vulnerabilities in the affected interface of AOS-8 could allow an unauthenticated adjacent attacker to circumvent existing authentication controls. Successful exploitation could allow an attacker to gain administrative access, modify syst

  • 9.6 Critical severity

    ArubaOS (AOS): Improper Authentication

    CVE-2026-79867Hewlett Packard Enterprise

    Authentication bypass vulnerabilities in the affected interface of AOS-8 could allow an unauthenticated adjacent attacker to circumvent existing authentication controls and run arbitrary commands on the underlying host. Successful exploitation could allow an a

  • 9.1 Critical severity

    better-auth: Improper Authentication

    CVE-2026-114607Better-auth

    Better Auth is an authentication and authorization library for TypeScript. From 1.4.0-beta.18 until 1.7.7, deployments that enable Magic Link with storeToken set to plain, or with storeToken set to hashed and the global verification.storeIdentifier setting als

  • 7.5 High severity

    Royal MCP: Improper Authentication

    CVE-2026-111958Royal MCP

    The Royal MCP WordPress plugin before 1.5.7 does not limit a preview-link token to the single preview it was issued for, so any party that obtains a valid token is authenticated as the token's owning user, an administrator in the default configuration, across

  • 8.7 High severity

    traefik: Improper Authentication

    CVE-2026-114639Traefik

    Traefik 2.11.0 before 2.11.58 and 3.0.0 before 3.7.14 contains an authentication bypass because a first request preauthenticated with an Authorization: Negotiate token authenticates a socket in the globally shared backend connection pool, which is never isolat

  • 8.7 High severity

    traefik: Improper Authentication

    CVE-2026-114638Traefik

    Traefik v3.7.0 before v3.7.14 contains an improper authentication vulnerability in the Kubernetes Ingress NGINX provider that merges client CAs when auth-tls-secret names collide after dot-to-dash normalization. Attackers holding certificates from another host

  • 7.3 High severity

    php-travel-agency-system: Improper Authentication

    CVE-2026-114439Oretnom23

    A vulnerability was determined in oretnom23 php-travel-agency-system. Affected by this issue is some unknown functionality of the file admin/session.php of the component Session Handler. Executing a manipulation of the argument user_id can lead to missing auth

  • 9.2 Critical severity

    framework: Improper Authentication

    CVE-2026-114509LaravelEPSS 1.84%

    Laravel is a web application framework. Prior to 12.68.0 and 13.29.0, TokenGuard configured as a standard token-based API guard does not reject a crafted non-string credential. Under affected MySQL or MariaDB configurations, the authentication lookup can match

  • 9.8 Critical severity

    Cisco Emergency Responder: Improper Authentication

    CVE-2026-76474Cisco

    As part of Cisco's ongoing commitment to proactive security and product quality, engineering teams for Cisco Emergency Responder, Cisco Prime Collaboration Deployment, Cisco Unified Communications Manager (Unified CM), Cisco Unified Communications Manager IM &

  • 7.3 High severity

    file-management-system: Improper Authentication

    CVE-2026-114261MomoTommy

    A vulnerability was found in MomoTommy file-management-system dc9ce1bf27f94b23d906cb1e86ce374dc94ca5df. This issue affects the function index/store/update/destroy of the file app/Http/Controllers/FileController.php of the component Files API. The manipulation

  • 9.1 Critical severity

    Apache bRPC: Improper Authentication

    CVE-2026-86249Apache

    On a brpc::Server that sets both ServerOptions.auth and ServerOptions.internal_port, the HTTP built-in service exemption on internal_port can be abused to bypass authentication entirely. VerifyHttpRequest() returns true without checking any credential when a b

  • 9.1 Critical severity

    Apache bRPC: Improper Authentication

    CVE-2026-48830Apache

    Improper authentication in Apache bRPC through 1.17.0 allows a remote unauthenticated attacker to bypass authentication for protected non-builtin HTTP endpoints by first sending a builtin HTTP request on the same HTTP/1.1 keep-alive connection. When ServerOpti

  • 9.8 Critical severity

    Apache IoTDB: Improper Authentication

    CVE-2026-58663Apache

    An authentication bypass vulnerability exists in Apache IoTDB's Thrift RPC service This issue affects Apache IoTDB: from 2.0.0 before 2.0.11. Users are recommended to upgrade to version 2.0.11, which fixes the issue.

  • 7.5 High severity

    miniOrange 2FA: Improper Authentication

    CVE-2026-111949miniOrange 2FA

    The miniOrange 2FA WordPress plugin before 6.3.1 does not prevent a pending passkey login from registering an additional passkey on an account that already has one configured, allowing an attacker who knows a user's password to add their own authenticator and

  • 9.8 Critical severity

    Oracle Essbase: Improper Authentication

    CVE-2026-91665Oracle

    Vulnerability in Oracle Essbase (component: Security). The supported version that is affected is 21.8.3.0.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via TCP to compromise Oracle Essbase. Successful attacks of this v

  • 9.1 Critical severity

    Oracle Agile Product Lifecycle Management for…: Improper Authentication

    CVE-2026-91624Oracle

    Vulnerability in the Oracle Agile Product Lifecycle Management for Process product of Oracle Supply Chain (component: Product Quality Management). The supported version that is affected is 6.2.4. Easily exploitable vulnerability allows unauthenticated attacker

  • 9.8 Critical severity

    Oracle WebCenter Content: Improper Authentication

    CVE-2026-91495Oracle

    Vulnerability in the Oracle WebCenter Content product of Oracle Fusion Middleware (component: Content Server). Supported versions that are affected are 12.2.1.4.0 and 14.1.2.0.0. Easily exploitable vulnerability allows unauthenticated attacker with network acc

  • 7.5 High severity

    Oracle Identity Manager Connector: Improper Authentication

    CVE-2026-91493Oracle

    Vulnerability in the Oracle Identity Manager Connector product of Oracle Fusion Middleware (component: LDAP Gateway). Supported versions that are affected are 12.2.1.4.0 and 14.1.2.1.0. Easily exploitable vulnerability allows unauthenticated attacker with netw

  • 9.8 Critical severity

    Oracle Identity Manager Connector: Improper Authentication

    CVE-2026-91491Oracle

    Vulnerability in the Oracle Identity Manager Connector product of Oracle Fusion Middleware (component: LDAP Gateway). Supported versions that are affected are 12.2.1.4.0 and 14.1.2.1.0. Easily exploitable vulnerability allows unauthenticated attacker with netw

  • 9.1 Critical severity

    Oracle Identity Manager Connector: Improper Authentication

    CVE-2026-91490Oracle

    Vulnerability in the Oracle Identity Manager Connector product of Oracle Fusion Middleware (component: LDAP Gateway). Supported versions that are affected are 12.2.1.4.0 and 14.1.2.1.0. Easily exploitable vulnerability allows unauthenticated attacker with netw

  • 9.8 Critical severity

    Oracle Identity Manager: Improper Authentication

    CVE-2026-91408Oracle

    Vulnerability in the Oracle Identity Manager product of Oracle Fusion Middleware (component: End User Self Service). Supported versions that are affected are 12.2.1.4.0 and 14.1.2.1.0. Easily exploitable vulnerability allows unauthenticated attacker with netwo

  • 9.8 Critical severity

    Oracle WebLogic Server: Improper Authentication

    CVE-2026-91323Oracle

    Vulnerability in the Oracle WebLogic Server product of Oracle Fusion Middleware (component: Core). Supported versions that are affected are 12.2.1.4.0, 14.1.1.0.0, 14.1.2.0.0 and 15.1.1.0.0. Easily exploitable vulnerability allows unauthenticated attacker with

  • 9.1 Critical severity

    JD Edwards EnterpriseOne Tools: Improper Authentication

    CVE-2026-91305Oracle

    Vulnerability in the JD Edwards EnterpriseOne Tools product of Oracle JD Edwards (component: Installation Security). Supported versions that are affected are 9.2.0.0-9.2.26.5. Easily exploitable vulnerability allows unauthenticated attacker with network access

  • 9.1 Critical severity

    JD Edwards EnterpriseOne Tools: Improper Authentication

    CVE-2026-91265Oracle

    Vulnerability in the JD Edwards EnterpriseOne Tools product of Oracle JD Edwards (component: Enterprise Infrastructure SEC). Supported versions that are affected are 9.2.0.0-9.2.26.5. Easily exploitable vulnerability allows unauthenticated attacker with networ

  • 8.8 High severity

    Oracle Identity Manager: Improper Authentication

    CVE-2026-91259Oracle

    Vulnerability in the Oracle Identity Manager product of Oracle Fusion Middleware (component: OIM Legacy UI). Supported versions that are affected are 12.2.1.4.0 and 14.1.2.1.0. Easily exploitable vulnerability allows low privileged attacker with network access

  • 9.8 Critical severity

    Oracle SOA Suite: Improper Authentication

    CVE-2026-91236Oracle

    Vulnerability in the Oracle SOA Suite product of Oracle Fusion Middleware (component: Fabric Layer). Supported versions that are affected are 12.2.1.4.0 and 14.1.2.0.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via HT

  • 9.8 Critical severity

    Oracle SOA Suite: Improper Authentication

    CVE-2026-91235Oracle

    Vulnerability in the Oracle SOA Suite product of Oracle Fusion Middleware (component: Fabric Layer). Supported versions that are affected are 12.2.1.4.0 and 14.1.2.0.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via HT

  • 9.8 Critical severity

    Oracle SOA Suite: Improper Authentication

    CVE-2026-91234Oracle

    Vulnerability in the Oracle SOA Suite product of Oracle Fusion Middleware (component: Fabric Layer). Supported versions that are affected are 12.2.1.4.0 and 14.1.2.0.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via HT

  • 9.8 Critical severity

    Oracle SOA Suite: Improper Authentication

    CVE-2026-91233Oracle

    Vulnerability in the Oracle SOA Suite product of Oracle Fusion Middleware (component: Enterprise Scheduling System). Supported versions that are affected are 12.2.1.4.0 and 14.1.2.0.0. Easily exploitable vulnerability allows unauthenticated attacker with netwo

  • 9.9 Critical severity

    Oracle Business Process Management Suite: Improper Authentication

    CVE-2026-91222Oracle

    Vulnerability in the Oracle Business Process Management Suite product of Oracle Fusion Middleware (component: Human Workflow (11g+)). Supported versions that are affected are 12.2.1.4.0 and 14.1.2.0.0. Easily exploitable vulnerability allows low privileged att

  • 9.8 Critical severity

    Oracle Business Process Management Suite: Improper Authentication

    CVE-2026-91220Oracle

    Vulnerability in the Oracle Business Process Management Suite product of Oracle Fusion Middleware (component: Human Workflow). Supported versions that are affected are 12.2.1.4.0 and 14.1.2.0.0. Easily exploitable vulnerability allows unauthenticated attacker

  • 9.8 Critical severity

    Oracle SOA Suite: Improper Authentication

    CVE-2026-91214Oracle

    Vulnerability in the Oracle SOA Suite product of Oracle Fusion Middleware (component: Fabric Layer). Supported versions that are affected are 12.2.1.4.0 and 14.1.2.0.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via HT

  • 8.8 High severity

    Oracle Business Process Management Suite: Improper Authentication

    CVE-2026-91213Oracle

    Vulnerability in the Oracle Business Process Management Suite product of Oracle Fusion Middleware (component: BPM Composer). Supported versions that are affected are 12.2.1.4.0 and 14.1.2.0.0. Easily exploitable vulnerability allows low privileged attacker wit

  • 9.1 Critical severity

    Oracle WebLogic Server: Improper Authentication

    CVE-2026-87302Oracle

    Vulnerability in the Oracle WebLogic Server product of Oracle Fusion Middleware (component: Core). Supported versions that are affected are 12.2.1.4.0, 14.1.1.0.0, 14.1.2.0.0 and 15.1.1.0.0. Easily exploitable vulnerability allows unauthenticated attacker with

  • 8.8 High severity

    Oracle Business Intelligence Enterprise Edition: Improper Authentication

    CVE-2026-87263Oracle

    Vulnerability in the Oracle Business Intelligence Enterprise Edition product of Oracle Analytics (component: Analytics Server). Supported versions that are affected are 8.2.0.0.0 and 26.01.0.0.0. Easily exploitable vulnerability allows low privileged attacker

  • 9.8 Critical severity

    Oracle Access Manager: Improper Authentication

    CVE-2026-87251Oracle

    Vulnerability in the Oracle Access Manager product of Oracle Fusion Middleware (component: Authentication Engine). Supported versions that are affected are 12.2.1.4.0 and 14.1.2.1.0. Easily exploitable vulnerability allows unauthenticated attacker with network

  • 8.7 High severity

    Oracle Access Manager: Improper Authentication

    CVE-2026-83426Oracle

    Vulnerability in the Oracle Access Manager product of Oracle Fusion Middleware (component: Authentication Engine). Supported versions that are affected are 12.2.1.4.0 and 14.1.2.1.0. Difficult to exploit vulnerability allows unauthenticated attacker with netwo