Mattermost versions 10.6.x <= 10.6.1, 10.5.x <= 10.5.2, 10.4.x <= 10.4.4, 9.11.x <= 9.11.11 fail to check the correct permissions which allows authenticated users who only have permission to invite non-guest users to a team to add guest users to that team via the API to add a single user to a team.

Mattermost versions 10.5.x <= 10.5.1, 10.4.x <= 10.4.3, 9.11.x <= 9.11.9 fail to restrict certain operations on system admins to only other system admins, which allows delegated granular administration users with the "Edit Other Users" permission to perform unauthorized modifications to system administrators via improper permission validation.

Mattermost versions 10.4.x <= 10.4.2, 10.3.x <= 10.3.3, 9.11.x <= 9.11.8 fail to fail to enforce channel conversion restrictions, which allows members with permission to convert public channels to private ones to also convert private ones to public

Mattermost versions 9.11.x <= 9.11.8 fail to prompt for explicit approval before adding a team admin to a private channel, which team admins to joining private channels via crafted permalink links without explicit consent from them.

Mattermost versions 10.5.x <= 10.5.3, 9.11.x <= 9.11.11 fail to check `RestrictSystemAdmin` setting if user doesn't have access to `ExperimentalSettings` which allows a System Manager to access `ExperimentSettings` when `RestrictSystemAdmin` is true via System Console.

Mattermost versions 10.4.x <= 10.4.2, 10.3.x <= 10.3.3, 9.11.x <= 9.11.8 fail to restrict command execution in archived channels, which allows authenticated users to run commands in archived channels.

Mattermost versions 10.4.x <= 10.4.2, 10.3.x <= 10.3.3, 9.11.x <= 9.11.8, 10.5.x <= 10.5.0 fail to restrict bookmark creation and updates in archived channels, which allows authenticated users created or update bookmarked in archived channels

Mattermost versions 10.5.x <= 10.5.1, 10.4.x <= 10.4.3, 9.11.x <= 9.11.9 fail to prevent Wrangler posts from triggering AI responses. This vulnerability allows users without access to the AI bot to activate it by attaching the activate_ai override property to a post via the Wrangler plugin, provided both the AI and Wrangler plugins are enabled.

Mattermost versions 9.11.x <= 9.11.8  fail to enforce proper access controls on the /api/v4/audits endpoint, allowing users with delegated granular administration roles who lack access to Compliance Monitoring to retrieve User Activity Logs.

Mattermost versions 10.5.x <= 10.5.1, 9.11.x <= 9.11.9 fail to check if a file has been deleted when creating a bookmark which allows an attacker who knows the IDs of deleted files to obtain metadata of the files via bookmark creation.

Mattermost versions 9.7.x <= 9.7.5, 9.8.x <= 9.8.2 and 9.9.x <= 9.9.2 fail to properly propagate permission scheme updates across cluster nodes which allows a user to keep old permissions, even if the permission scheme has been updated.

Mattermost fails to properly validate permissions when demoting and deactivating a user allowing for a system/user manager to demote / deactivate another manager

Mattermost fails to properly validate the requesting user permissions when updating a system admin, allowing a user manager to update a system admin's details such as email, first name and last name.

Mattermost fails to verify channel membership when linking a board to a channel allowing a low-privileged authenticated user to link a Board to a private channel they don't have access to, 

Mattermost WelcomeBot plugin fails to to validate the membership status when inviting or adding users to channels allowing guest accounts to be added or invited to channels by default.

Mattermost versions 10.5.x <= 10.5.5, 9.11.x <= 9.11.15, 10.8.x <= 10.8.0, 10.7.x <= 10.7.2, 10.6.x <= 10.6.5 fail to properly enforce channel member management permissions when adding participants to playbook runs. This allows authenticated users with member-level permissions to bypass system admin restrictions and add or remove users to/from private channels via the playbook run participants feature, even when the 'Manage Members' permission has been explicitly removed. This can lead to unauthorized access to sensitive channel content and allow guest users to gain channel management privileges.

Mattermost versions 9.11.x <= 9.11.5 fail to enforce invite permissions, which allows team admins, with no permission to invite users to their team, to invite users by updating the "allow_open_invite" field via making their team public.

Mattermost fails to properly check the authorization of POST /api/v4/teams when passing a team override scheme ID in the request, allowing an authenticated attacker with knowledge of a Team Override Scheme ID to create a new team with said team override scheme.

Mattermost fails to disable public Boards after the "Enable Publicly-Shared Boards" configuration option is disabled, resulting in previously-shared public Boards to remain accessible.

Mattermost fails to delete card attachments in Boards, allowing an attacker to access deleted attachments.

Mattermost versions 10.7.x <= 10.7.0, 10.5.x <= 10.5.3, 9.11.x <= 9.11.12 fail to properly enforce access controls for guest users accessing channel member information, allowing authenticated guest users to view metadata about members of public channels via the channel members API endpoint.

Jenkins Health Advisor by CloudBees Plugin 3.2.0 and earlier does not correctly perform a permission check in an HTTP endpoint, allowing attackers with Overall/Read permission to view that HTTP endpoint.

An authenticated user could potentially access metadata for a datasource they are not authorized to view by submitting a targeted REST API request.This issue affects Apache Superset: before 3.1.2. Users are recommended to upgrade to version 3.1.2 or above, which fixes the issue.

Discourse Calendar adds the ability to create a dynamic calendar in the first post of a topic on Discourse. Uninvited users are able to gain access to private events by crafting a request to update their attendance. This problem is resolved in commit dfc4fa15f340189f177a1d1ab2cc94ffed3c1190. As a workaround, one may use post visibility to limit access.

sf_event_mgt is an event management and registration extension for the TYPO3 CMS based on ExtBase and Fluid. In affected versions the existing access control check for events in the backend module got broken during the update of the extension to TYPO3 12.4, because the `RedirectResponse` from the `$this->redirect()` function was never handled. This issue has been addressed in version 7.4.0. Users are advised to upgrade. There are no known workarounds for this vulnerability.

A low privilege authenticated user could import an existing dashboard or chart that they do not have access to and then modify its metadata, thereby gaining ownership of the object. However, it's important to note that access to the analytical data of these charts and dashboards would still be subject to validation based on data access privileges. This issue affects Apache Superset: before 3.0.4, from 3.1.0 before 3.1.1.Users are recommended to upgrade to version 3.1.1, which fixes the issue.

An incorrect authorization vulnerability allowed unauthorized read access to the contents of internal repositories for contractor accounts when the Contractors API feature was enabled. The Contractors API is a rarely-enabled feature in private preview. This vulnerability affected all versions of GitHub Enterprise Server prior to 3.18 and was fixed in versions 3.14.15, 3.15.10, 3.16.6 and 3.17.3

A vulnerability has been identified in Rocket.Chat, where the ACL checks in the Slash Command /mute occur after checking whether a user is a member of a given channel, leaking private channel members to unauthorized users. This allows authenticated users to enumerate whether a username is a member of a channel that they do not have access to.

Review Board: URL processing gives unauthorized users access to review lists

Improper data authorization check on Jinja templated queries in Apache Superset up to and including 2.1.0 allows for an authenticated user to issue queries on database tables they may not have access to.

An authenticated user with Gamma role authorization could have access to metadata information using non trivial methods in Apache Superset up to and including 2.0.1

thmmniii/fbs-core is an open source feedback system for students. In versions prior to 1.5.3 when querying `subresults`, it is possible to query `subresults` from other users due to insufficient authorisation. This is only possible for logged-in users and it is not possible to associate the subresults with a specific user. This bug was fixed in commit `f1ae67d8bb2`and released with version 1.5.3. Users are advised to upgrade. There are no known workarounds for this issue.

In JetBrains TeamCity before 2025.07 improper access control allowed disclosure of build settings via snapshot dependencies

Tuleap is an Open Source Suite created to facilitate management of software development and collaboration. In Tuleap Community Edition prior to version 16.9.99.1752585665 and Tuleap Enterprise Edition prior to 16.8-6 and 16.9-5, users may potentially access confidential information from artifacts that they are not authorized to view. This is fixed in Tuleap Community Edition prior to version 16.9.99.1752585665 and Tuleap Enterprise Edition prior to 16.8-6 and 16.9-5.

In JetBrains TeamCity before 2025.07 improper access control allowed disclosure of build settings via VCS configuration

Adobe Commerce versions 2.4.4-p2 (and earlier) and 2.4.5-p1 (and earlier) are affected by an Incorrect Authorization vulnerability. A low-privileged authenticated attacker could leverage this vulnerability to achieve minor information disclosure.

An issue was discovered in Joomla! 4.0.0 through 4.2.4. A missing ACL check allows non super-admin users to access com_actionlogs.

Exposure of Sensitive Information to an unauthorized actor vulnerability in MB Connect Lines mbCONNECT24, mymbCONNECT24 and Helmholz' myREX24 and myREX24.virtual in versions <=2.13.3 allow an authorized remote attacker with low privileges to view a limited amount of another accounts contact information.

Hitachi Vantara Pentaho Business Analytics Server versions before 9.4.0.1 and 9.3.0.3, including 8.3.x expose dashboard prompts to users who are not part of the authorization list. 

BigBlueButton is an open source web conferencing system. Versions prior to 2.4.0 expose sensitive information to Unauthorized Actors. This issue affects meetings with polls, where the attacker is a meeting participant. Subscribing to the current-poll collection does not update the client UI, but does give the attacker access to the contents of the collection, which include the individual poll responses. This issue is patched in version 2.4.0. There are no workarounds.

Discourse is an open source discussion platform. Prior to version 2.8.0.beta11 in the `tests-passed` branch, version 2.8.0.beta11 in the `beta` branch, and version 2.7.13 in the `stable` branch, the bios of users who made their profiles private were still visible in the `<meta>` tags on their users' pages. The problem is patched in `tests-passed` version 2.8.0.beta11, `beta` version 2.8.0.beta11, and `stable` version 2.7.13 of Discourse.

An improper access control check in GitLab CE/EE affecting all versions starting from 13.7 before 15.0.5, all versions starting from 15.1 before 15.1.4, all versions starting from 15.2 before 15.2.1 allows a malicious authenticated user to view a public project's Deploy Key's public fingerprint and name when that key has write permission. Note that GitLab never asks for nor stores the private key.

Improper access control in GitLab CE/EE affecting all versions starting from 8.12 before 14.8.6, all versions starting from 14.9 before 14.9.4, and all versions starting from 14.10 before 14.10.1 allows non-project members to access contents of Project Members-only Wikis via malicious CI jobs

Tuleap is an Open Source Suite to improve management of software developments and collaboration. In versions prior to 14.2.99.104, project level authorizations are not properly verified when accessing the project "homepage"/dashboards. Users not authorized to access a project may still be able to get some information provided by the widgets (e.g. number of members, content of the Notes widget...). This issue has been patched in Tuleap Community Edition 14.2.99.104, Tuleap Enterprise Edition 14.2-4, and Tuleap Enterprise Edition 14.1-5.

Broken Access Control in Betheme theme <= 26.6.1 on WordPress.

IBM Maximo Asset Management 7.6.1.0 could allow a remote attacker to disclose sensitive information to an authenticated user due to disclosing path information in the URL. IBM X-Force ID: 172883.

app/Controller/UsersController.php in MISP before 2.4.164 allows attackers to discover role names (this is information that only the site admin should have).

Discourse is an open-source discussion platform. In stable versions prior to 2.8.12 and beta or tests-passed versions prior to 2.9.0.beta.13, under certain conditions, a user can see notifications for topics they no longer have access to. If there is sensitive information in the topic title, it will therefore have been exposed. This issue is patched in stable version 2.8.12, beta version 2.9.0.beta13, and tests-passed version 2.9.0.beta13. There are no workarounds available.

Adobe Experience Manager version 6.5.14 (and earlier) is affected by an Incorrect Authorization vulnerability that could result in a security feature bypass. A low-privileged attacker could leverage this vulnerability to disclose low level confidentiality information. Exploitation of this issue does not require user interaction.

Saleor is a headless, GraphQL commerce platform. In affected versions some GraphQL mutations were not properly checking the ID type input which allowed to access database objects that the authenticated user may not be allowed to access. This vulnerability can be used to expose the following information: Estimating database row counts from tables with a sequential primary key or Exposing staff user and customer email addresses and full name through the `assignNavigation()` mutation. This issue has been patched in main and backported to multiple releases (3.7.17, 3.6.18, 3.5.23, 3.4.24, 3.3.26, 3.2.14, 3.1.24). Users are advised to upgrade. There are no known workarounds for this issue.