CVE-2026-53645

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-2026-53645 FOSSBilling's missing self-edit prevention in staff permission management allows persistent privilege escalation

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 FOSSBilling allows low-privileged staff accounts to perform unauthorized actions via admin API endpoints

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

CVE-2026-53640 (FOSSBilling) affects the FOSSBilling project prior to version 0.8.0, where low-privileged staff could read sensitive data via admin API endpoints that lack proper authorization checks on read operations. The issue contrasts with write endpoints that have fine-grained permissions, ...

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...

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...

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...

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...

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-2026-54069 SiYuan: Unauthenticated Admin API Access via Blanket chrome-extension:// Origin Allowlist

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-2026-53948 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...

CVE-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...

CVE-2026-50891

Incorrect access control in the /admin/api/config component of Filestash v0.4.0 allows attackers to escalate privileges via sending a crafted request...

CVE-2026-50891

Filestash v0.4.0 contains an access-control issue in the /admin/api/config component that allows privilege escalation via a crafted request. Root cause: incorrect access control. Affected: Filestash 0.4.0 (CVE-2026-50891). Impact noted as high (CVE metrics: Confidentiality and Integrity I/H; CVSS...