CVE-2026-53640 FOSSBilling missing authorization checks on read-only admin API endpoints expose sensitive staff, client, and redirect data

FOSSBilling is a free, open-source billing and client management system. Prior to version 0.8.0, low-privileged staff accounts may read sensitive data via admin API endpoints that lack permission checks. While sibling write endpoints correctly enforce fine-grained permissions, the corresponding...

CVE-2026-53640 FOSSBilling missing authorization checks on read-only admin API endpoints expose sensitive staff, client, and redirect data

FOSSBilling is a free, open-source billing and client management system. Prior to version 0.8.0, low-privileged staff accounts may read sensitive data via admin API endpoints that lack permission checks. While sibling write endpoints correctly enforce fine-grained permissions, the corresponding...

EUVD-2026-41961

FOSSBilling is a free, open-source billing and client management system. Versions 0.6.10 through 0.7.2 have a PHP code injection vulnerability in FOSSBilling's Config::prettyPrintArrayToPHP method. When configuration values are updated, string values are written into config.php without escaping...

CVE-2026-53645: Improper Privilege Management

FOSSBilling is a free, open-source billing and client management system. Versions prior to 0.8.0 allow a low-privileged staff account to grant arbitrary module permissions to itself through the admin API, resulting in persistent privilege escalation. A staff user that only has...

CVE-2026-53643: Exposure of Sensitive Information to an Unauthorized Actor

FOSSBilling is a free, open-source billing and client management system. Versions prior to 0.8.0 allow low-privileged staff accounts to perform unauthorized actions via admin API endpoints. The root cause is a combination of the canalwaysaccess module flag which grants all staff access to certain...

CVE-2026-53640: Exposure of Sensitive Information to an Unauthorized Actor

FOSSBilling is a free, open-source billing and client management system. Prior to version 0.8.0, low-privileged staff accounts may read sensitive data via admin API endpoints that lack permission checks. While sibling write endpoints correctly enforce fine-grained permissions, the corresponding...

PT-2026-56033

Name of the Vulnerable Software and Affected Versions FOSSBilling versions prior to 0.8.0 Description Low-privileged staff accounts can read sensitive data through admin API endpoints that lack proper permission checks. Although write endpoints enforce fine-grained permissions, the corresponding...

BIT-GHOST-2026-53948 Ghost: File Upload Content-Type Spoofing

Ghost is a Node.js content management system. From 6.19.4 until 6.21.1, insufficient validation of the client-supplied Content-Type on Ghost's Admin API file upload endpoint allowed uploaded files to be served from the site with an attacker-chosen content type on S3/GCS storage backends. On...

PT-2026-55074

Ghost is a Node.js content management system. From 6.19.4 until 6.21.1, insufficient validation of the client-supplied Content-Type on Ghost's Admin API file upload endpoint allowed uploaded files to be served from the site with an attacker-chosen content type on S3/GCS storage backends. On...

CVE-2026-56782

Gorse before 0.5.10 contains an authentication bypass vulnerability in the /api/dump and /api/restore endpoints that allows unauthenticated attackers to access protected functionality when adminapikey is empty, which is the default configuration. Remote attackers can exfiltrate the entire databas...

CVE-2026-56782 Gorse - Unauthenticated Database Dump and Restore via /api/dump and /api/restore Endpoints

Gorse before 0.5.10 contains an authentication bypass vulnerability in the /api/dump and /api/restore endpoints that allows unauthenticated attackers to access protected functionality when adminapikey is empty, which is the default configuration. Remote attackers can exfiltrate the entire databas...

BIT-APPSMITH-2026-55454 Appsmith: Caddy admin API exposed without authentication

Appsmith is a platform to build admin panels, internal tools, and dashboards. Prior to 2.1, the bundled Caddy reverse-proxy's admin API — which has no authentication by default — is bound on 0.0.0.0:2019 inside the container. While this listener is not directly published to the host by...

phpMyFAQ has an incomplete fix for GHSA-xvp4-phqj-cjr3 — editUser() and updateUserRights() lack authorization guards

Advisory / Disclosure phpMyFAQ 4.1.3 — incomplete fix for the admin-API IDOR/privilege-escalation class Target: thorsten/phpMyFAQ composer: thorsten/phpmyfaq, phpmyfaq/phpmyfaq Affected: "Only SuperAdmins may change other users' attributes. Self-service is always allowed." and "a non-SuperAdmin...

PT-2026-56096

Advisory / Disclosure phpMyFAQ 4.1.3 — incomplete fix for the admin-API IDOR/privilege-escalation class Target: thorsten/phpMyFAQ composer: thorsten/phpmyfaq, phpmyfaq/phpmyfaq Affected: "Only SuperAdmins may change other users' attributes. Self-service is always allowed." and "a non-SuperAdmin...

CVE-2026-9099

A flaw was found in Keycloak. A missing authorization check in the GroupResource.addChild endpoint within the Admin REST API allows an authenticated user with limited administrative privileges to reparent any existing group. When Fine-Grained Admin Permissions v2 FGAPv2 is enabled, an attacker wi...

Authorization Bypass Through User-Controlled Key

Overview org.keycloak:keycloak-services is an open source identity and access management solution for modern applications and services. Affected versions of this package are vulnerable to Authorization Bypass Through User-Controlled Key via the addChild endpoint in the Admin REST API when...

CVE-2026-55454

Appsmith is a platform to build admin panels, internal tools, and dashboards. Prior to 2.1, the bundled Caddy reverse-proxy's admin API — which has no authentication by default — is bound on 0.0.0.0:2019 inside the container. While this listener is not directly published to the host by...

CVE-2026-54069

SiYuan is an open-source personal knowledge management system. Prior to 3.7.0, SiYuan Note's kernel HTTP server unconditionally trusts all chrome-extension:// origins, granting RoleAdministrator access to every installed browser extension without any authentication. Combined with the default empt...

CVE-2026-55454

Appsmith (prior to 2.1) exposes the bundled Caddy admin API without authentication inside the container, bound to 0.0.0.0:2019. Although not exposed to the host via docker-compose, it is reachable from the Appsmith server process and can be targeted via SSRF to issue admin-API calls (e.g., POST /...

CVE-2026-55454

Appsmith is a platform to build admin panels, internal tools, and dashboards. Prior to 2.1, the bundled Caddy reverse-proxy's admin API — which has no authentication by default — is bound on 0.0.0.0:2019 inside the container. While this listener is not directly published to the host by...