CVE-2026-104890Published

Kunstmaan CMS: MediaBundle extension blacklist bypass allows authenticated administrators to upload executable PHP files leading to remote code execution

Exact source revision recorded 23 Oct 2026 15:48:27 UTC. It does not establish the source's current position. Latest evidence.

Recorded JSON

cve-program · CVE-2026-104890

Published

KunstmaanBundlesCMS

Vendor product

Original vendor version evidence · not evaluated as a NuGet range

{
                    "vendor": "Kunstmaan",
                    "product": "KunstmaanBundlesCMS",
                    "versions": [
                        {
                            "version": "< 7.3.1",
                            "status": "affected"
                        }
                    ]
                }

bundles-cms

Vendor product

Original vendor version evidence · not evaluated as a NuGet range

{
                    "vendor": "kunstmaan",
                    "product": "bundles-cms",
                    "versions": [
                        {
                            "version": "< 7.3.1",
                            "status": "affected"
                        }
                    ]
                }

media-bundle

Vendor product

Original vendor version evidence · not evaluated as a NuGet range

{
                    "vendor": "kunstmaan",
                    "product": "media-bundle",
                    "versions": [
                        {
                            "version": "< 7.3.1",
                            "status": "affected"
                        }
                    ]
                }

Original source record · Cite this exact observation · Complete original publisher JSON