VulnCheck KEV: CVE-2026-86538

knowns versions before 0.30.0 contain a path traversal vulnerability in the POST /api/templates/preview endpoint that allows unauthenticated attackers to read arbitrary files. Attackers can supply directory traversal sequences in the templateFile parameter to bypass path restrictions and read...

CVE-2026-87028

Concrete CMS 9 through 9.5.3 did not confirm that a board InstanceItem submitted to the custom-slot preview endpoint belonged to the board instance the requesting user was authorized to edit, and did not enforce page-view permission before generating page-backed summary content. As a result, an...

CVE-2026-87028 Cross-Board IDOR in the Board Custom Slot Preview in Concrete CMS 9.0.0 through 9.5.3 Discloses Restricted Page Summary Fields

Concrete CMS 9 through 9.5.3 did not confirm that a board InstanceItem submitted to the custom-slot preview endpoint belonged to the board instance the requesting user was authorized to edit, and did not enforce page-view permission before generating page-backed summary content. As a result, an...

CVE-2026-87028

CVE-2026-87028 is a cross-board Insecure Direct Object Reference (IDOR) in the Board Custom Slot Preview endpoint of Concrete CMS 9.0.0 through 9.5.3 . The endpoint failed to verify that a submitted InstanceItem belonged to the board instance the requesting user was authorized to edit, and did no...

CVE-2026-87028 Cross-Board IDOR in the Board Custom Slot Preview in Concrete CMS 9.0.0 through 9.5.3 Discloses Restricted Page Summary Fields

Concrete CMS 9 through 9.5.3 did not confirm that a board InstanceItem submitted to the custom-slot preview endpoint belonged to the board instance the requesting user was authorized to edit, and did not enforce page-view permission before generating page-backed summary content. As a result, an...

CVE-2026-87028 Cross-Board IDOR in the Board Custom Slot Preview in Concrete CMS 9.0.0 through 9.5.3 Discloses Restricted Page Summary Fields

Concrete CMS 9 through 9.5.3 did not confirm that a board InstanceItem submitted to the custom-slot preview endpoint belonged to the board instance the requesting user was authorized to edit, and did not enforce page-view permission before generating page-backed summary content. As a result, an...

CVE-2026-92566

DataGear through 6.0.0 contains a server-side request forgery vulnerability in the /dataSet/preview/Http endpoint that allows unauthenticated attackers to execute arbitrary HTTP requests by supplying a caller-controlled URI. Attackers can issue GET, POST, PUT, PATCH, or DELETE requests to interna...

CVE-2026-92566 DataGear through 6.0.0 Unauthenticated SSRF via HTTP Dataset Preview

DataGear through 6.0.0 contains a server-side request forgery vulnerability in the /dataSet/preview/Http endpoint that allows unauthenticated attackers to execute arbitrary HTTP requests by supplying a caller-controlled URI. Attackers can issue GET, POST, PUT, PATCH, or DELETE requests to interna...

EUVD-2026-80812

DataGear through 6.0.0 contains a server-side request forgery vulnerability in the /dataSet/preview/Http endpoint that allows unauthenticated attackers to execute arbitrary HTTP requests by supplying a caller-controlled URI. Attackers can issue GET, POST, PUT, PATCH, or DELETE requests to interna...

CVE-2026-92566 DataGear through 6.0.0 Unauthenticated SSRF via HTTP Dataset Preview

DataGear through 6.0.0 contains a server-side request forgery vulnerability in the /dataSet/preview/Http endpoint that allows unauthenticated attackers to execute arbitrary HTTP requests by supplying a caller-controlled URI. Attackers can issue GET, POST, PUT, PATCH, or DELETE requests to interna...

CVE-2026-92566

DataGear through 6.0.0 contains an unauthenticated server-side request forgery (SSRF) vulnerability in the /dataSet/preview/Http endpoint. By supplying a caller-controlled URI, an attacker can issue GET, POST, PUT, PATCH, or DELETE requests to internal services and cloud metadata endpoints, recei...

CVE-2026-92566 DataGear through 6.0.0 Unauthenticated SSRF via HTTP Dataset Preview

DataGear through 6.0.0 contains a server-side request forgery vulnerability in the /dataSet/preview/Http endpoint that allows unauthenticated attackers to execute arbitrary HTTP requests by supplying a caller-controlled URI. Attackers can issue GET, POST, PUT, PATCH, or DELETE requests to interna...

PT-2026-93853

Name of the Vulnerable Software and Affected Versions Concrete CMS versions 9 through 9.5.3 Description An authenticated user with edit-board-contents permission on a single board instance can access summary fields, such as the page title and description, of pages they are not authorized to view...

CVE-2026-87028: Missing Authorization

Concrete CMS 9 through 9.5.3 did not confirm that a board InstanceItem submitted to the custom-slot preview endpoint belonged to the board instance the requesting user was authorized to edit, and did not enforce page-view permission before generating page-backed summary content. As a result, an...

PT-2026-93811

Name of the Vulnerable Software and Affected Versions DataGear versions prior to 6.0.1 Description An issue exists where unauthenticated attackers can execute arbitrary HTTP requests by providing a caller-controlled URI. This occurs via the '/dataSet/preview/Http' endpoint, allowing the issuance ...

CVE-2026-92566: Server-Side Request Forgery (SSRF)

DataGear through 6.0.0 contains a server-side request forgery vulnerability in the /dataSet/preview/Http endpoint that allows unauthenticated attackers to execute arbitrary HTTP requests by supplying a caller-controlled URI. Attackers can issue GET, POST, PUT, PATCH, or DELETE requests to interna...

Huawei HarmonyOS Denial-of-Service Vulnerability

Huawei HarmonyOS is a distributed operating system developed independently by Huawei, designed for various scenarios. Huawei HarmonyOS has a denial-of-service vulnerability. This vulnerability stems from issues with the preview service module, which can affect the availability of services when...

PT-2026-93211

Name of the Vulnerable Software and Affected Versions GIMP affected versions not specified Description A flaw exists in the file-psd plugin. When the application generates a thumbnail preview for a specially crafted PSD Photoshop Document image file, an integer overflow occurs during the...

Astra Linux – Vulnerability in Firefox

Previewing a response in Devtools ignored CSP headers, which could have allowed content injection attacks. This vulnerability was fixed in Firefox 139 and Thunderbird 139...

Astra Linux – Vulnerability in exiv2

Exiv2 is a C++ library and a command-line utility for reading, writing, deleting, and modifying image metadata in formats such as Exif, IPTC, XMP, and ICC. Prior to version 0.28.8, a buffer overflow vulnerability was discovered in Exiv2. The vulnerability lies in the preview component, which only...