CyberSecBulletin

Improper Access Control

CWE-284

The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor.

We track 3,726 vulnerabilities of this type. 100% are rated high or critical, and the average CVSS score is 8.3. 36 have been exploited in real attacks.

How this weakness is prevented

  • Architecture and Design Operation: Very carefully manage the setting, management, and handling of privileges. Explicitly manage trust zones in the software.
  • Architecture and Design: Compartmentalize the system to have safe areas where trust boundaries can be unambiguously drawn. Do not allow sensitive data to go outside of the trust boundary and always be careful when interfacing with a compartment outside of the safe area. Ensure that appropriate compartmentalization is built into the system design, and the compartmentalization allows for and reinforces privilege separation functionality. Architects and designers should rely on the principle of least privilege to decide the appropriate time to use privileges and the time to drop privileges.

Latest Improper Access Control vulnerabilities

  • 8.1 High severity

    Gitea: Improper Access Control

    CVE-2026-66877Gitea

    Gitea enforces first-time fork contributor approval by blocking jobs, but some job transition and dispatch paths do not re-check the run's approval requirement. A separate run sharing a job-level concurrency group can cancel a pending job and cause its blocked

  • 8.6 High severity

    UniFi Protect AI Key: Improper Access Control

    CVE-2026-110459Ubiquiti

    A malicious actor with access to the network could exploit an Improper Access Control vulnerability found in UniFi Protect AI Key to obtain information, make unauthorized changes, and execute a Denial of Service (DoS) attack on the device.

  • 7.5 High severity

    Content Credentials Rust SDK: Improper Access Control

    CVE-2026-100115Adobe

    CAI Content Credentials is affected by an Improper Access Control vulnerability that could result in a Security feature bypass. An attacker could leverage this vulnerability to bypass security measures and gain unauthorized write access. Exploitation of this i

  • 7.5 High severity

    Content Credentials Rust SDK: Improper Access Control

    CVE-2026-100114Adobe

    CAI Content Credentials is affected by an Improper Access Control vulnerability that could result in a Security feature bypass. An attacker could leverage this vulnerability to bypass security measures and gain unauthorized write access. Exploitation of this i

  • 9.1 Critical severity

    WebSphere Application Server - Liberty: Improper Access Control

    CVE-2026-93895IBM

    IBM WebSphere Application Server - Liberty 20.0.0.12 through 26.0.0.10 could allow an unauthenticated remote attacker to bypass access controls configured on gRPC service methods.

  • 8.8 High severity

    Xen: Improper Access Control

    CVE-2026-79609Xen

    XPTI (Xen Page Table Isolation) was introduced to mitigate Meltdown (CVE-2017-5754, one aspect of XSA-254). This involves copying 64-bit PV guest page table entries from guest-chosen root page tables to the Xen- chosen one which is in actual use by hardware. T

  • 7.3 High severity

    phpwcms: Improper Access Control

    CVE-2026-110025Slackero

    A flaw has been found in slackero phpwcms up to 1.9.49/1.12.3. This issue affects some unknown processing of the file include/inc_front/content/cnt23.article.inc.php of the component Extension Check. This manipulation of the argument POST_name causes unrestric

  • 7.3 High severity

    Library Management System: Improper Access Control

    CVE-2026-108975SourceCodester

    A security flaw has been discovered in SourceCodester Library Management System 1.0. This vulnerability affects the function move_uploaded_file of the file admin/add_admin.php. Performing a manipulation of the argument image results in unrestricted upload. The

  • 7.3 High severity

    E-Learning System: Improper Access Control

    CVE-2026-108974SourceCodester

    A vulnerability was identified in SourceCodester E-Learning System 1.0. This affects the function save_users of the file /classes/Users.php?f=save. Such manipulation of the argument img leads to unrestricted upload. The attack can be launched remotely. The exp

  • 7.3 High severity

    Contact Tracing System: Improper Access Control

    CVE-2026-108973SourceCodester

    A vulnerability was determined in SourceCodester Contact Tracing System 1.0. Affected by this issue is the function move_uploaded_file of the file /classes/Users.php?f=save. This manipulation of the argument img/id causes unrestricted upload. The attack can be

  • 7.7 High severity

    Maximo Application Suite - Location Service…: Improper Access Control

    CVE-2026-18517IBM

    IBM Maximo Application Suite - Location Service for Esri Component 9.2, 9.1, and 9.0 IBM Maximo Application Suite — Location Service for Esri Component is vulnerable to unintended network egress due to a misconfigured Kubernetes NetworkPolicy.

  • 7.7 High severity

    Db2: Improper Access Control

    CVE-2026-18166IBM

    IBM Db2 11.5.0 through 11.5.9, and 12.1.0 through 12.1.5 for Linux, UNIX and Windows (includes DB2 Connect Server) could allow a remote authenticated attacker to obtain sensitive information due to improper authorization when using the CREATE WRAPPER command.

  • 7.0 High severity

    zephyr: Improper Access Control

    CVE-2026-19574Zephyr Project

    The ARM64 MMU back-end allocated address space identifiers (ASIDs) for memory domains with a bare round-robin counter in arch_mem_domain_init() (arch/arm64/core/mmu.c). VM_ASID_BITS is 8, so only 255 ASIDs exist; once the counter wrapped, arch_mem_domain_init(

  • 9.8 Critical severity

    Cisco Application Policy Infrastructure…: Improper Access Control

    CVE-2026-76498Cisco

    As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Application Policy Infrastructure Controller (APIC) engineering team has conducted a comprehensive internal security review. This review resulted in software hardening r

  • 8.8 High severity

    Cisco Campus Gateway Software: Improper Access Control

    CVE-2026-76463Cisco

    As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco networking engineering team has conducted a comprehensive internal security review. This review resulted in a software hardening release that addresses multiple internal

  • 9.8 Critical severity

    Cisco NX-OS Software: Improper Access Control

    CVE-2026-76455CiscoEPSS 4.01%

    As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco NX-OS engineering team has conducted a comprehensive internal security review. This review resulted in a software hardening release that addresses multiple internally di

  • 8.2 High severity

    ImageMagick: Improper Access Control

    CVE-2026-106580ImageMagick

    ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to 7.1.2-31 and 6.9.13-56, a missing security-policy check in the CUT encoder allows a crafted local encoding operation to read data that policy should deny an

  • 8.3 High severity

    Langflow OSS: Improper Access Control

    CVE-2026-97680IBM

    IBM Langflow OSS 1.0.0 through 1.12.2 could allow a remote authenticated attacker to obtain sensitive information or inject malicious data due to improper access control in the vertex result caching subsystem.

  • 8.1 High severity

    backstage: Improper Handling of Case Sensitivity

    CVE-2026-106503Backstage

    Backstage is an open framework for building developer portals. Prior to 3.3.1, 3.4.1, 4.0.3 and 4.1.0, the @backstage/plugin-scaffolder-backend package is affected by scaffolder action input authorization bypass. An authenticated user with access to affected S

  • 8.8 High severity

    ClearPass Policy Manager (CPPM): Improper Access Control

    CVE-2026-79797Hewlett Packard Enterprise

    An improper access control vulnerability exists in the Android client application for HPE Networking ClearPass Policy Manager, where application functionality may be invoked by untrusted sources. Successful exploitation could allow an unauthenticated remote at

  • 8.2 High severity

    System Update: Improper Access Control

    CVE-2026-86362Dell

    Dell System Update, versions prior to 2.3.0.0, contains an Improper Access Control vulnerability. A low privileged attacker with local access could potentially exploit this vulnerability, leading to Elevation of privileges.

  • 7.1 High severity

    payload: Improper Access Control

    CVE-2026-105855PayloadCMS

    Payload is a free and open source headless content management system. In versions before 3.90.0 and canary versions before 4.0.0-canary.34, the server fails to enforce a field-level access.update restriction on the password field of an authentication collectio

  • 8.1 High severity

    payload: Improper Access Control

    CVE-2026-105851PayloadCMS

    Payload is a free and open source headless content management system. In versions from 3.0.0 before 3.90.0 and canary versions before 4.0.0-canary.34, the duplicate operation copies values from a source document even when a field is hidden or its access.read o

  • 7.4 High severity

    plane: Exposure of Sensitive Information to an Unauthorized Actor

    CVE-2026-105635Makeplane

    Plane is an open-source project management tool. Prior to 1.4.0, ProjectJoinEndpoint at GET /api/workspaces/{slug}/projects/{project_id}/join/{pk}/ uses permission_classes = [AllowAny] and returns the full ProjectMemberInvite record, including its email, token

  • 8.7 High severity

    plane: Improper Access Control

    CVE-2026-105632Makeplane

    Plane is an open-source project management tool. Prior to 1.4.0, the GraphQL joinProject mutation lets any workspace member add themselves to any project in that workspace including network=0 (secret/private) projects they were never invited to and grants them

  • 8.1 High severity

    plane: Improper Access Control

    CVE-2026-104974Makeplane

    Plane is an open-source project management tool. Prior to 1.4.0, a user whose account has been deactivated by setting is_active=False can still log in with existing credentials. Successful authentication silently changes is_active back to True, reactivating th

  • 9.3 Critical severity

    Apache Traffic Server: Improper Access Control

    CVE-2026-102795Apache

    Improper Access Control vulnerability in Apache Traffic Server. This issue affects Apache Traffic Server: from 9.0.0 through 9.2.14, from 10.0.0 through 10.1.3. Users are recommended to upgrade to version 9.2.15 or 10.1.4, which fixes the issue. This CVE super

  • 7.1 High severity

    MISP: Improper Access Control

    CVE-2026-104912MISP

    MISP contains an authorization flaw in its correlation handling during attribute searches. When a user performs an attribute search that triggers correlation lookups, the system authorized access to correlated attributes and events based on a stale distributio

  • 7.3 High severity

    HospitalManagementSystem: Improper Access Control

    CVE-2026-104637Onetwothreeneth

    A weakness has been identified in onetwothreeneth HospitalManagementSystem up to 9ef91ed6007314b6473110ed699dff76d158f61d. The affected element is the function add_patient/add_physician/add_account/update_account/update_subaccount/edit_physician/edit_patient o

  • 7.5 High severity

    Apache HTTP Server: Improper Access Control

    CVE-2026-63045Apache

    Improper validation of FTP PASV reply address in mod_proxy_ftp in Apache Software Foundation Apache HTTP Server through 2.4.68 on all platforms allows, in forward proxy configurations, an untrusted FTP server to cause the proxy to open a data connection to an

  • 9.3 Critical severity

    Genian NAC 5.0.75 LTS Release: Improper Access Control

    CVE-2026-76142Genians

    Insufficient authentication and access control on the internal-only IPC SOAP endpoint of the Genian NAC/ZTNA policy server allows an unauthenticated attacker to invoke internal functions

  • 7.2 High severity

    Core: Improper Access Control

    CVE-2026-102132KiteworksEPSS 1.03%

    An administrative import function in Kiteworks Core did not verify that the requesting administrator was entitled to create the privileged integration credential being imported. A delegated administrator holding a single narrowly scoped administrative permissi

  • 9.8 Critical severity

    tugtainer: Improper Access Control

    CVE-2026-55494Quenary

    Tugtainer is a self-hosted app for automating updates of Docker containers. Prior to version 1.30.4, Tugtainer Agent allows unauthenticated access to Docker management APIs when AGENT_SECRET is not configured. The Agent uses request signatures to protect its A

  • 9.4 Critical severity

    tugtainer: Improper Access Control

    CVE-2026-55181Quenary

    Tugtainer is a self-hosted app for automating updates of Docker containers. Prior to version 1.30.3, Tugtainer's OIDC authentication can still be initiated even when OIDC_ENABLED=false. The /auth/oidc/enabled endpoint correctly reports that OIDC is disabled. H

  • 8.6 High severity

    MISP: Improper Access Control

    CVE-2026-103239MISP

    MISP contains a privilege escalation vulnerability in the tag collection creation and editing functionality. The affected actions accepted the full HTTP request payload and passed it to a bulk-association save operation, which writes not only the intended tag

  • 7.1 High severity

    Vayu X: Improper Access Control

    CVE-2026-88797Vayu X

    The Vayu X WordPress theme before 1.0.6 does not perform any capability check on one of its AJAX actions and exposes the nonce guarding it to every logged-in user, allowing any authenticated user, such as a subscriber, to install and activate any hosted on the

  • 8.8 High severity

    Full Client: Improper Access Control

    CVE-2026-92370TeamViewer

    An improper access control vulnerability in TeamViewer Full Client, Host, and related affected modules on Windows, Linux, and macOS allows an authenticated remote attacker to bypass user-configured permission settings during session establishment. By modifying

  • 9.6 Critical severity

    Firefox: Improper Access Control

    CVE-2026-100758Mozilla

    Sandbox escape in the DOM: Navigation component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 140.17, Thunderbird 153.4, Firefox 157, Firefox ESR 115.42, and Firefox ESR 140.17.

  • 9.3 Critical severity

    WatchGuard AP: Improper Access Control

    CVE-2026-101891WatchGuard

    An improper access control vulnerability in an internal API service on WatchGuard Access Points allows an unauthenticated attacker with network access to the AP to obtain a valid API session.

  • 8.8 High severity

    DDI Central: Improper Access Control

    CVE-2026-12265Zoho

    Zoho Corporation ManageEngine DDI Central versions 6200 and below are vulnerable to insufficient access control in HA failover endpoint leading to destructive PostgreSQL database operations.