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...

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

NPM: Ghost: Cache-poisoning XSS in Ghost frontend via x-ghost-preview header vulnerability discovered by ? in WordPress Npm ghost versions = 4.0.0, = 6.36.0...

Use of Cache Containing Sensitive Information

Overview ghost is a publishing platform Affected versions of this package are vulnerable to Use of Cache Containing Sensitive Information in the handling of the x-ghost-preview header when the application is deployed behind a shared caching layer. An attacker can inject malicious content into...

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

Impact When Ghost is behind a shared caching layer that results in cached content being shared between different visitors e.g., Fastly, Cloudflare, nginx proxycache, and others, an unauthenticated user could send an x-ghost-preview header that altered the rendered frontend response. In affected...

EUVD-2026-39027

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

GHSA-62Q6-4HV4-VJRW Ghost: Cache-poisoning XSS in Ghost frontend via x-ghost-preview header

Impact When Ghost is behind a shared caching layer that results in cached content being shared between different visitors e.g., Fastly, Cloudflare, nginx proxycache, and others, an unauthenticated user could send an x-ghost-preview header that altered the rendered frontend response. In affected...

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-2026-54261

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 (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: 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 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

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...

EUVD-2026-41143

Tina is a headless content management system. In versions prior to @tinacms/app 2.5.6 and tinacms 3.9.3, cross-origin postMessage handlers and a rich-text URL-sanitization bypass enable stored XSS and session takeover. The library registers window message listeners — the useTina overlay handler,...

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-2026-55566

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...

PT-2026-55102

Impact When Ghost is behind a shared caching layer that results in cached content being shared between different visitors e.g., Fastly, Cloudflare, nginx proxy cache, and others, an unauthenticated user could send an x-ghost-preview header that altered the rendered frontend response. In affected...