PYSEC-2026-1707 JupyterLab vulnerable to SXSS in Markdown Preview

Impact The vulnerability depends on user interaction by opening a malicious notebook with Markdown cells, or Markdown file using JupyterLab preview feature. A malicious user can access any data that the attacked user has access to as well as perform arbitrary requests acting as the attacked user...

GHSA-X76W-8C62-48MG Craft CMS: Authenticated "assets/preview-thumb" discloses signed fallback transform preview link to CP users without asset-view permission

Summary A user with Control Panel access but without permission to view a target private asset can call assets/preview-thumb and receive preview HTML that contains a signed fallback transform link for that private asset. Details Root-cause analysis: 1. The endpoint accepts an attacker-controlled...

Craft CMS: Authenticated "assets/preview-thumb" discloses signed fallback transform preview link to CP users without asset-view permission

Summary A user with Control Panel access but without permission to view a target private asset can call assets/preview-thumb and receive preview HTML that contains a signed fallback transform link for that private asset. Details Root-cause analysis: 1. The endpoint accepts an attacker-controlled...

Allocation of Resources Without Limits or Throttling

Overview wagtail is an open source content management system built on Django. Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling via the previewrequest, imageid, filterspec view in wagtail/images/views/images.py. An authenticated admin can...

PYSEC-2026-614

Wagtail is an open source content management system built on Django. In versions prior to 7.0.8, 7.3.3 and 7.4.2, due to a missing permission check on the image preview endpoint, a user with access to the Wagtail admin can preview any image. The existing data of the image object itself is not...

CVE-2026-54261

Wagtail is an open source content management system built on Django. In versions prior to 7.0.8, 7.3.3 and 7.4.2, due to a missing permission check on the image preview endpoint, a user with access to the Wagtail admin can preview any image. The existing data of the image object itself is not...

EUVD-2026-39027

Ghost: Cache-poisoning XSS in Ghost frontend via x-ghost-preview header...

CVE-2026-54261

Wagtail (Django-based CMS) has a permission-check flaw in the image preview endpoint. In versions prior to 7.0.8, 7.3.3, and 7.4.2, a user with admin access could preview any image due to a missing permission check; this does not expose the image data itself to ordinary site visitors. The issue h...

CVE-2026-54261

Wagtail is an open source content management system built on Django. In versions prior to 7.0.8, 7.3.3 and 7.4.2, due to a missing permission check on the image preview endpoint, a user with access to the Wagtail admin can preview any image. The existing data of the image object itself is not...

CVE-2026-54261 Wagtail: Improper permission handling in image preview

Wagtail is an open source content management system built on Django. In versions prior to 7.0.8, 7.3.3 and 7.4.2, due to a missing permission check on the image preview endpoint, a user with access to the Wagtail admin can preview any image. The existing data of the image object itself is not...

CVE-2026-54261 Wagtail: Improper permission handling in image preview

Wagtail is an open source content management system built on Django. In versions prior to 7.0.8, 7.3.3 and 7.4.2, due to a missing permission check on the image preview endpoint, a user with access to the Wagtail admin can preview any image. The existing data of the image object itself is not...

CVE-2026-54260

CVE-2026-54260 affects Wagtail (Django-based CMS). In versions prior to 7.0.8, 7.3.3, and 7.4.2, an authenticated admin user can trigger expensive rendition processing via crafted filter specs in the image preview, leading to potential service degradation. This is not exploitable by anonymous vis...

CVE-2026-54260 Wagtail: Denial of service via unbounded filter specs in the image preview

Wagtail is an open source content management system built on Django. In versions prior to 7.0.8, 7.3.3 and 7.4.2, an authenticated admin user can trigger expensive rendition processing with purposefully crafted filter specs resulting in potentially service degradation. The vulnerability is not...

CVE-2026-54260 Wagtail: Denial of service via unbounded filter specs in the image preview

Wagtail is an open source content management system built on Django. In versions prior to 7.0.8, 7.3.3 and 7.4.2, an authenticated admin user can trigger expensive rendition processing with purposefully crafted filter specs resulting in potentially service degradation. The vulnerability is not...

CVE-2026-54260 Wagtail: Denial of service via unbounded filter specs in the image preview

Wagtail is an open source content management system built on Django. In versions prior to 7.0.8, 7.3.3 and 7.4.2, an authenticated admin user can trigger expensive rendition processing with purposefully crafted filter specs resulting in potentially service degradation. The vulnerability is not...

Important: Red Hat Security Advisory: Technical preview of the satellite/iop-vmaas-rhel9 container image

A new satellite/iop-vmaas-rhel9 container image is now available as a technical preview in the Red Hat container registry. Red Hat Lightspeed in Satellite analyzes system health and configuration by applying predefined rules to a small set of local data, such as installed packages, running...

Important: Red Hat Security Advisory: Technical preview of the satellite/iop-vulnerability-frontend-rhel9 container image

A new satellite/iop-vulnerability-frontend-rhel9 container image is now available as a technical preview in the Red Hat container registry. Red Hat Lightspeed in Satellite analyzes system health and configuration by applying predefined rules to a small set of local data, such as installed package...

PT-2026-54838

Name of the Vulnerable Software and Affected Versions Wagtail versions prior to 7.0.8 Wagtail versions prior to 7.3.3 Wagtail versions prior to 7.4.2 Description A missing permission check on the image preview endpoint allows a user with access to the Wagtail admin to preview any image. This issu...

LiteLLM 1.74.2 < 1.83.7 Command Injection Vulnerability (GHSA-v4p8-mg3p-g94g)

The version of the LiteLLM Python package installed on the remote host is 1.74.2 before 1.83.7. It is, therefore, affected by a vulnerability: - From version 1.74.2 to before version 1.83.7, two endpoints used to preview an MCP server before saving it — POST /mcp-rest/test/connection and POST...

BIT-GHOST-2026-53943 Ghost: Cache-poisoning XSS in Ghost frontend via x-ghost-preview header

Ghost is a Node.js content management system. From until 6.37.0, when Ghost is behind a shared caching layer that results in cached content being shared between different visitors, an unauthenticated user could send an x-ghost-preview header that altered the rendered frontend response. In affecte...