CVE-2026-33501 AVideo has Unauthenticated Information Disclosure of User Group Permission Mappings via Permissions Plugin

WWBN AVideo is an open source video platform. In versions up to and including 26.0, the endpoint plugin/Permissions/View/Usersgroupspermissions/list.json.php lacks any authentication or authorization check, allowing unauthenticated users to retrieve the complete permission matrix mapping user...

Case study: How predictive shielding in Defender stopped GPO-based ransomware before it started

In this article 1. The growing threat: GPO abuse in ransomware operations 2. The incident 3. The results 4. The hardening dilemma: Why threat actors love operational mechanisms 5. Predictive shielding: Contextual, just-in-time hardening 6. Closing the gap 7. References Summary Microsoft Defender...

PT-2026-27238

OpenClaw before 2026.2.26 contains an authorization bypass vulnerability in group allowlist policy evaluation that accepts sender identities from DM pairing-store approvals. Attackers can exploit this boundary weakness by obtaining DM pairing approval to bypass group allowlist checks and gain...

EUVD-2019-19876

PCHelpWareV2 1.0.0.5 contains a denial of service vulnerability that allows local attackers to crash the application by supplying an excessively long string in the Group field. Attackers can paste a buffer overflow payload into the Group property field and click Ok to trigger an application crash...

CVE-2019-25564

PCHelpWareV2 1.0.0.5 contains a denial of service vulnerability that allows local attackers to crash the application by supplying an excessively long string in the Group field. Attackers can paste a buffer overflow payload into the Group property field and click Ok to trigger an application crash...

CVE-2019-25564 PCHelpWareV2 1.0.0.5 Denial of Service via Group Field

PCHelpWareV2 1.0.0.5 contains a denial of service vulnerability that allows local attackers to crash the application by supplying an excessively long string in the Group field. Attackers can paste a buffer overflow payload into the Group property field and click Ok to trigger an application crash...

CVE-2019-25564 PCHelpWareV2 1.0.0.5 Denial of Service via Group Field

PCHelpWareV2 1.0.0.5 contains a denial of service vulnerability that allows local attackers to crash the application by supplying an excessively long string in the Group field. Attackers can paste a buffer overflow payload into the Group property field and click Ok to trigger an application crash...

CVE-2019-25564

PCHelpWareV2 1.0.0.5 contains a denial of service vulnerability that allows local attackers to crash the application by supplying an excessively long string in the Group field. Attackers can paste a buffer overflow payload into the Group property field and click Ok to trigger an application crash...

CVE-2019-25564

Summary : CVE-2019-25564 affects PCHelpWareV2 1.0.0.5. The vulnerability is a local, denial-of-service issue triggered by an excessively long string in the Group field, where a buffer overflow payload can be pasted into the Group property and cause the application to crash. The connected records ...

Duplicate Advisory: OpenClaw's Signal reaction-only status events could, in limited cases, be enqueued before access checks

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-792q-qw95-f446. This link is maintained to preserve external references. Original Description OpenClaw versions prior to 2026.2.25 contain an access control vulnerability in signal reaction notification handling...

CVE-2026-1253

The CVE concerns the WordPress plugin Group Chat & Video Chat by AtomChat. A missing capability check in the AJAX handlers atomchat_update_auth_ajax and atomchat_update_layout_ajax affects all versions up to and including 1.1.7. This allows authenticated users with Subscriber-level access and abo...

CVE-2026-33425

Discourse is an open-source discussion platform. Prior to versions 2026.3.0-latest.1, 2026.2.1, and 2026.1.2, unauthenticated users can determine whether a specific user is a member of a private group by observing changes in directory results when using the excludegroups parameter. Versions...

CVE-2026-33428

Discourse is an open-source discussion platform. Prior to versions 2026.3.0-latest.1, 2026.2.1, and 2026.1.2, a non-staff user with elevated group membership could access deleted posts belonging to any user due to an overly broad authorization check on the deleted posts index endpoint. Versions...

PT-2026-26909

PCHelpWareV2 1.0.0.5 contains a denial of service vulnerability that allows local attackers to crash the application by supplying an excessively long string in the Group field. Attackers can paste a buffer overflow payload into the Group property field and click Ok to trigger an application crash...

Discourse 安全漏洞

Discourse is Discourse open source set of open source community discussion platform. The platform includes features such as community , e-mail and chat rooms . Discourse suffers from a security vulnerability due to an overly broad authorization check on the deleted post index endpoint, which can ...

UltraVNC PCHelpWareV2 缓冲区错误漏洞

UltraVNC PCHelpWareV2 is a remote control tool developed by the UltraVNC company. Version 1.0.0.5 of UltraVNC PCHelpWareV2 contains a buffer error vulnerability. This vulnerability stems from a buffer overflow in the Group field, which could allow local attackers to cause the application to crash...

Discourse 安全漏洞

Discourse is an open-source community discussion platform developed by Discourse. This platform includes features such as communities, email communication, and chat rooms. Versions of Discourse prior to 2026.3.0-latest.1, as well as versions before 2026.2.1 and 2026.1.2, have security...

CVE-2026-33428 Discourse Allows Unauthorized Access to Deleted Posts Index via Group Membership

Discourse is an open-source discussion platform. Prior to versions 2026.3.0-latest.1, 2026.2.1, and 2026.1.2, a non-staff user with elevated group membership could access deleted posts belonging to any user due to an overly broad authorization check on the deleted posts index endpoint. Versions...

CVE-2026-33428 Discourse Allows Unauthorized Access to Deleted Posts Index via Group Membership

Discourse is an open-source discussion platform. Prior to versions 2026.3.0-latest.1, 2026.2.1, and 2026.1.2, a non-staff user with elevated group membership could access deleted posts belonging to any user due to an overly broad authorization check on the deleted posts index endpoint. Versions...

CVE-2026-33428 Discourse Allows Unauthorized Access to Deleted Posts Index via Group Membership

Discourse is an open-source discussion platform. Prior to versions 2026.3.0-latest.1, 2026.2.1, and 2026.1.2, a non-staff user with elevated group membership could access deleted posts belonging to any user due to an overly broad authorization check on the deleted posts index endpoint. Versions...