Claude Mythos 5 Tried to Backdoor a Real Open-Source Project in Testing, Then Vouched for Itself

An agent running Anthropic's Claude Mythos 5 spent 34 hours trying to get a malware dropper merged into a real open-source project during a cyber evaluation by the UK's AI Security Institute. When a bystander publicly warned that the code was malicious, the agent denied it, force-pushed a rewritt...

gstreamer1-plugins-ugly-free: GStreamer: Out-of-bounds read in RealMedia demuxer audio stream header parser

A vulnerability was found in the GStreamer RealMedia demuxer gst-plugins-ugly. When processing a RealMedia .rm file, the demuxer parses MDPR media properties chunks to configure audio streams. For audio stream header versions 4 and 5, the parser reads fields such as codec type, packet size, sampl...

CVE-2026-5116

The Contact Form 7 – Dynamic Text Extension plugin for WordPress is vulnerable to Stored Cross-Site Scripting in all versions up to, and including, 5.0.5. This is due to insufficient output escaping on form shortcode keys displayed in the admin "Scan Forms for Post Meta and User Data Keys" page...

CVE-2026-11454

The Groundhogg WordPress plugin (versions <= 4.5.2) is affected by an Insecure Direct Object Reference via GET /wp-json/gh/v4/contacts/. The endpoint’s permission callback only checks a role-level view_contacts capability, and read_single() returns full contact records without object-level own...

CVE-2026-16736 User Registration & Membership < 5.2.6 - Unauthenticated Account Creation While Registration Disabled

The User Registration & Membership WordPress plugin before 5.2.6 does not enforce the site's registration-disabled setting when processing registration-form submissions, allowing unauthenticated users to create new accounts even when the administrator has turned off open registration...

CVE-2026-16736

The User Registration & Membership WordPress plugin versions before 5.2.6 is vulnerable to an improper access control issue. The plugin fails to enforce the site's registration-disabled setting when processing registration-form submissions. This allows unauthenticated users to successfully create...

CVE-2026-18895

A vulnerability was found in UTT HiPER 1250GW up to 3.2.7-210907-180535. Impacted is the function strcpy of the file /goform/APSecurity5g. Performing a manipulation of the argument cipher results in stack-based buffer overflow. It is possible to initiate the attack remotely. The exploit has been...

CVE-2026-18895

A vulnerability was found in UTT HiPER 1250GW up to 3.2.7-210907-180535. Impacted is the function strcpy of the file /goform/APSecurity5g. Performing a manipulation of the argument cipher results in stack-based buffer overflow. It is possible to initiate the attack remotely. The exploit has been...

CVE-2026-18895

CVE-2026-18895 affects UTT HiPER 1250GW builds

CVE-2026-18895 UTT HiPER 1250GW APSecurity_5g strcpy stack-based overflow

A vulnerability was found in UTT HiPER 1250GW up to 3.2.7-210907-180535. Impacted is the function strcpy of the file /goform/APSecurity5g. Performing a manipulation of the argument cipher results in stack-based buffer overflow. It is possible to initiate the attack remotely. The exploit has been...

SUSE CVE-2026-66064

goshs is a feature-rich single-binary file server for red teamers and developers. Prior to 2.1.5, the httpserver/handler.go sendFile handler opened files using a cleaned path but derived the authorization filename from raw req.URL.Path, so a trailing slash could bypass .goshs ACL-file protection...

Photon OS 5.0: Dotnet PHSA-2025-5.0-91-0535

An update of the dotnet package has been released. %NASLMINLEVEL 80900 C Tenable, Inc. The descriptive text and package checks in this plugin were extracted from VMware Security Advisory PHSA-2025-5.0-91-0535. The text itself is copyright C VMware, Inc. include'compat.inc'; if description...

Photon OS 5.0: Libxml2 PHSA-2026-5.0-92-0874

An update of the libxml2 package has been released. %NASLMINLEVEL 80900 C Tenable, Inc. The descriptive text and package checks in this plugin were extracted from VMware Security Advisory PHSA-2026-5.0-92-0874. The text itself is copyright C VMware, Inc. include'compat.inc'; if description...

Photon OS 5.0: Cups PHSA-2023-5.0-91-0018

An update of the cups package has been released. %NASLMINLEVEL 80900 C Tenable, Inc. The descriptive text and package checks in this plugin were extracted from VMware Security Advisory PHSA-2023-5.0-91-0018. The text itself is copyright C VMware, Inc. include'compat.inc'; if description...

Photon OS 5.0: Expat PHSA-2024-5.0-91-0229

An update of the expat package has been released. %NASLMINLEVEL 80900 C Tenable, Inc. The descriptive text and package checks in this plugin were extracted from VMware Security Advisory PHSA-2024-5.0-91-0229. The text itself is copyright C VMware, Inc. include'compat.inc'; if description...

Photon OS 5.0: Gst PHSA-2026-5.0-91-0728

An update of the gst package has been released. %NASLMINLEVEL 80900 C Tenable, Inc. The descriptive text and package checks in this plugin were extracted from VMware Security Advisory PHSA-2026-5.0-91-0728. The text itself is copyright C VMware, Inc. include'compat.inc'; if description...

Photon OS 5.0: Dotnet PHSA-2026-5.0-90-0778

An update of the dotnet package has been released. %NASLMINLEVEL 80900 C Tenable, Inc. The descriptive text and package checks in this plugin were extracted from VMware Security Advisory PHSA-2026-5.0-90-0778. The text itself is copyright C VMware, Inc. include'compat.inc'; if description...

Photon OS 5.0: Grub2 PHSA-2026-5.0-90-0742

An update of the grub2 package has been released. %NASLMINLEVEL 80900 C Tenable, Inc. The descriptive text and package checks in this plugin were extracted from VMware Security Advisory PHSA-2026-5.0-90-0742. The text itself is copyright C VMware, Inc. include'compat.inc'; if description...

Photon OS 5.0: Python3 PHSA-2023-5.0-91-0155

An update of the python3 package has been released. %NASLMINLEVEL 80900 C Tenable, Inc. The descriptive text and package checks in this plugin were extracted from VMware Security Advisory PHSA-2023-5.0-91-0155. The text itself is copyright C VMware, Inc. include'compat.inc'; if description...

Photon OS 5.0: Libtiff PHSA-2026-5.0-91-0815

An update of the libtiff package has been released. %NASLMINLEVEL 80900 C Tenable, Inc. The descriptive text and package checks in this plugin were extracted from VMware Security Advisory PHSA-2026-5.0-91-0815. The text itself is copyright C VMware, Inc. include'compat.inc'; if description...