CVE-2026-91181 Data Retention Teams Endpoint Leaks Private Team Invite ID

Mattermost versions 11.9.x = 11.9.0, 11.8.x = 11.8.4, 11.7.x = 11.7.7, 10.11.x = 10.11.22 Fail to sanitize Team objects returned by the data retention teams endpoint which allows an authenticated user holding only the read-only Data Retention Policy permission to obtain a private team's secret...

CVE-2026-82920 Mattermost ABAC parent policy bypass via policy update endpoint

Mattermost versions 11.9.x = 11.9.0, 11.8.x = 11.8.4, 11.7.x = 11.7.7 fail to enforce authorization boundaries on the access control policy update endpoint which allows a channel or team administrator to detach a system-assigned ABAC parent policy via a crafted PUT /api/v4/accesscontrolpolicies...

CVE-2026-82920: Incorrect Authorization

Mattermost versions 11.9.x = 11.9.0, 11.8.x = 11.8.4, 11.7.x = 11.7.7 fail to enforce authorization boundaries on the access control policy update endpoint which allows a channel or team administrator to detach a system-assigned ABAC parent policy via a crafted PUT /api/v4/accesscontrolpolicies...

PT-2026-80344

Cloudreve: Information Exposure in GET /api/v4/user/search: SearchActive omits the active-status predicate, leaking inactive/banned account emails in github.com/cloudreve/Cloudreve...

CVE-2026-55496: Exposure of Sensitive Information to an Unauthorized Actor

Cloudreve is a self-hosted file management and sharing system. Prior to 4.17.0, GET /api/v4/user/search calls SearchActive without adding a StatusActive predicate and serializes matches at RedactLevelUser, allowing any logged-in user to enumerate email addresses and profile metadata for inactive ...

GitLab Instance Explore - Detect

This template checks for GitLab instances by verifying if /explore and /api/v4/projects endpoints are accessible with a 200 response. !/usr/bin/env python3 -- coding: utf-8 -- """This template checks for GitLab instances by verifying if /explore and /api/v4/projects endpoints are accessib.""" fro...

PT-2026-99566

Name of the Vulnerable Software and Affected Versions Cloudreve versions prior to 4.17.0 Description The software registers administrative node test endpoints that do not require the Admin.Write OAuth scope. This allows an OAuth client authorized only with the Admin.Read scope to submit...

GHSA-X756-G4X3-C64M Cloudreve: Non-admin remote download users can SSRF loopback/internal services and read imported responses

Summary Cloudreve's remote download workflow accepts user-supplied URLs and passes them to the configured downloader without blocking loopback, localhost, IPv6 localhost, or redirect-to-loopback targets. When the remote download permission is granted to a non-admin user group, a normal...

CVE-2026-47276: NULL Pointer Dereference

In nanomq versions 0.24.11 and earlier, a NULL pointer dereference in propertiesparse allows an authenticated attacker to crash the NanoMQ broker by sending a POST request to /api/v4/mqtt/publish with userproperties as a JSON array instead of a JSON object. The crash occurs because strlen is call...

CVE-2026-54562: Server-Side Request Forgery (SSRF)

Cloudreve is a self-hosted file management and sharing system. Prior to 4.16.1, Cloudreve's remote download workflow accepts user-supplied URLs at POST /api/v4/workflow/download and passes them to the configured downloader without blocking loopback, localhost, IPv6 localhost, or...

CVE-2026-8074

Mattermost versions 11.7.x = 11.7.0, 10.11.x = 10.11.17 fail to enforce bot-specific permission checks on the user active status endpoint, which allows a User Manager with user management write access but no Integrations access to deactivate bot accounts via the PUT /api/v4/users/id/active API...

CVE-2026-8074: Incorrect Authorization

Mattermost versions 11.7.x = 11.7.0, 10.11.x = 10.11.17 fail to enforce bot-specific permission checks on the user active status endpoint, which allows a User Manager with user management write access but no Integrations access to deactivate bot accounts via the PUT /api/v4/users/id/active API...

CVE-2026-6689

Mattermost versions 11.6.x = 11.6.1, 11.5.x = 11.5.4, 10.11.x = 10.11.15, 10.11.x = 10.11.16 Fail to enforce PermissionInviteUser when setting AllowOpenInvite or AllowedDomains during team creation the check was only applied on update/patch, which allows an authenticated user holding...

CVE-2026-6689: Missing Authorization

Mattermost versions 11.6.x = 11.6.1, 11.5.x = 11.5.4, 10.11.x = 10.11.15, 10.11.x = 10.11.16 Fail to enforce PermissionInviteUser when setting AllowOpenInvite or AllowedDomains during team creation the check was only applied on update/patch, which allows an authenticated user holding...

PT-2026-41501

Summary The unauthenticated resend-verification endpoint returns different responses for registered and unregistered email addresses. A malicious third party can submit candidate addresses to /api/v4/account/auth/resend verification email and distinguish accounts from misses. Details resend...

CVE-2026-27659: Cross-Site Request Forgery (CSRF)

Mattermost versions 11.2.x = 11.2.2, 10.11.x = 10.11.10, 11.4.x = 11.4.0, 11.3.x = 11.3.1 fail to properly validate CSRF tokens in the /api/v4/accesscontrolpolicies/policyid/activate endpoint, which allows an attacker to trick an admin into changing access control policy active status via a craft...

CVE-2026-32609 Glances has Incomplete Secrets Redaction: /api/v4/args Endpoint Leaks Password Hash and SNMP Credentials

Glances is an open-source system cross-platform monitoring tool. The GHSA-gh4x fix commit 5d3de60 addressed unauthenticated configuration secrets exposure on the /api/v4/config endpoints by introducing asdictsecure redaction. However, the /api/v4/args and /api/v4/args/item endpoints were not...

CVE-2026-29178: Server-Side Request Forgery (SSRF)

Lemmy, a link aggregator and forum for the fediverse, is vulnerable to server-side request forgery via a dependency on activitypubfederation, a framework for ActivityPub federation in Rust. Prior to version 0.19.16, the GET /api/v4/image/filename endpoint is vulnerable to unauthenticated SSRF...

CVE-2025-12559: Exposure of Sensitive Information to an Unauthorized Actor

Mattermost versions 11.0.x = 11.0.2, 10.12.x = 10.12.1, 10.11.x = 10.11.4, 10.5.x = 10.5.12 fail to sanitize team email addresses to be visible only to Team Admins, which allows any authenticated user to view team email addresses via the GET /api/v4/channels/channelid/commonteams endpoint...

CVE-2025-11794: Exposure of Sensitive Information to an Unauthorized Actor

Mattermost versions 10.11.x = 10.11.3, 10.5.x = 10.5.11, 10.12.x = 10.12.0 fail to sanitize user data which allows system administrators to access password hashes and MFA secrets via the POST /api/v4/users/userid/email/verify/member endpoint...