PT-2026-52195

GitLab has remediated an issue in GitLab EE affecting all versions from 16.4 before 18.11.6, 19.0 before 19.0.3, and 19.1 before 19.1.1 that under certain conditions could have allowed an authenticated user with developer-role permissions to execute arbitrary client-side code in the context of...

PT-2026-52644

Name of the Vulnerable Software and Affected Versions GitHub MCP Server versions 0.22.0 through 1.1.1 Description When operating in HTTP mode with --lockdown-mode enabled, the RepoAccessCache is implemented as a process-global singleton. This singleton is initialized using the GraphQL client of t...

PT-2026-52508

Name of the Vulnerable Software and Affected Versions Keycloak affected versions not specified Description A flaw in the client registration service allows a remote attacker with a previously issued Registration Access Token RAT to re-enable a client that was explicitly disabled by an...

PT-2026-52592

Name of the Vulnerable Software and Affected Versions Keycloak affected versions not specified Description A JWT algorithm confusion flaw exists in the JWT Authorization Grant flow. An attacker possessing valid client credentials can bypass signature verification by forging an assertion. This...

PT-2026-52506

Name of the Vulnerable Software and Affected Versions Keycloak affected versions not specified Description An issue exists where a remote attacker with administrative privileges, specifically those with manage-client permission or access to client registration endpoints, can bypass client Uniform...

CVE-2026-50551

SiYuan is an open-source personal knowledge management system. Prior to 3.7.0, SiYuan contains a stored cross-site scripting XSS vulnerability in the Attribute View database asset cell renderer that escalates to remote code execution RCE in the Electron desktop client. This vulnerability is fixed...

CVE-2026-54759

SiYuan’s Lute HTML sanitizer (prior to version 3.7.0) fails to remove elements. When combined with the SiYuan Electron client’s permissive security configuration, a malicious in a Bazaar package README can trigger arbitrary command execution on the victim’s machine when package details are view...

CVE-2026-54759 SiYuan: Lute HTML sanitizer allows `<iframe>` tags in Bazaar package README, leading to arbitrary command execution via SiYuan Electron client

SiYuan is an open-source personal knowledge management system. Prior to 3.7.0, Lute's HTML sanitizer does not remove elements. Combined with the SiYuan Electron client's permissive security configuration, an attacker can include a malicious in a Bazaar package README that executes arbitrary...

CVE-2026-50551

CVE-2026-50551 affects SiYuan prior to 3.7.0, where a stored XSS in the Attribute View (database) asset cell renderer can escalate to remote code execution in the Electron desktop client. The issue is fixed in 3.7.0. CVSS~3.1 metrics indicate high impact on confidentiality, integrity, and availab...

CVE-2026-52798

Gogs is an open source self-hosted Git service. Prior to 0.14.3, although .ipynb previews are sanitized on the server side via /-/api/sanitizeipynb, the inserted content is re-rendered on the client side without sanitization using marked on elements with the .nb-markdown-cell class. During this...

CVE-2026-27708

FOSSBilling is a free, open-source billing and client management system. In versions 0.7.2 and prior, the Servicecustom Client API's call method accepts an orderid parameter and fetches the associated order without verifying the authenticated client owns it, potentially exposing cross-client data...

CVE-2026-52798

Gogs (self-hosted Git service) is affected by CVE-2026-52798: prior to 0.14.3, .ipynb previews are sanitized server-side, but the client-side re-rendering with marked() on .nb-markdown-cell can regenerate javascript: links, enabling Stored XSS when a victim clicks a crafted link in an attacker-su...

CVE-2026-52798 Gogs: Stored XSS in `.ipynb` Preview

Gogs is an open source self-hosted Git service. Prior to 0.14.3, although .ipynb previews are sanitized on the server side via /-/api/sanitizeipynb, the inserted content is re-rendered on the client side without sanitization using marked on elements with the .nb-markdown-cell class. During this...

CVE-2026-52798

Gogs is an open source self-hosted Git service. Prior to 0.14.3, although .ipynb previews are sanitized on the server side via /-/api/sanitizeipynb, the inserted content is re-rendered on the client side without sanitization using marked on elements with the .nb-markdown-cell class. During this...

CVE-2026-27708 FOSSBilling: IDOR in Servicecustom Client API allows cross-client data access

FOSSBilling is a free, open-source billing and client management system. In versions 0.7.2 and prior, the Servicecustom Client API's call method accepts an orderid parameter and fetches the associated order without verifying the authenticated client owns it, potentially exposing cross-client data...

CVE-2026-27708

FOSSBilling, before 0.8.0, is vulnerable to an IDOR in the Servicecustom Client API: the __call method accepts an order_id and fetches the order without ensuring the authenticated client owns it, enabling cross-client access to other clients’ orders and exposing PII and service configuration data...

CVE-2026-49247

Jellyfin is an open source self hosted media server. From 10.9.0 until 10.11.10, the POST /ClientLog/Document endpoint accepts the Authorization header's Client and Version fields and uses them unsanitized as components of the on-disk filename when persisting client-uploaded log documents. As a...

CVE-2026-49220

Jellyfin is an open source self hosted media server. Prior to 10.11.9, a potential XSS attack exists in Jellyfin which can allow a non-privileged user to execute arbitrary Javascript in the context of a logged-in Administrative user, resulting in numerous potential issues. The Client header durin...

CVE-2026-49220 Jellyfin: Potential XSS in user management

Jellyfin is an open source self hosted media server. Prior to 10.11.9, a potential XSS attack exists in Jellyfin which can allow a non-privileged user to execute arbitrary Javascript in the context of a logged-in Administrative user, resulting in numerous potential issues. The Client header durin...

CVE-2026-49220

CVE-2026-49220 affects Jellyfin up to version 10.11.8, where a vulnerability in the AuthenticateByName flow allows a non-privileged user to inject HTML/JavaScript in the Client header that executes in an Administrative user session when accessing a user’s detail from the dashboard. This is a user...