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{"bugzilla": {"description": "activestorage: activestorage: arbitrary file read and write via ImageMagick attachment analysis", "id": "2566942", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2566942"}, "csaw": false, "cvss3": {"cvss3_base_score": "9.8", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "status": "draft"}, "cwe": "CWE-1188", "details": ["A flaw was found in Active Storage. When processing file attachments using ImageMagick, the analyzer executes without an adequate security policy to restrict unintended operations. A remote attacker can exploit this vulnerability by uploading a crafted file, allowing unauthorized read and write operations on the server file system. This can lead to the exposure of sensitive application secrets, data tampering, or system compromise."], "mitigation": {"lang": "en:us", "value": "Configure an explicit, restrictive ImageMagick security policy (`policy.xml`) on the host to disable hazardous coders, or transition Active Storage attachment analysis and variant processing to use `vips` instead of `imagemagick`."}, "name": "CVE-2026-122006", "package_state": [{"cpe": "cpe:/a:redhat:3scale:2.13", "fix_state": "Affected", "package_name": "3scale-amp2/system-rhel8", "product_name": "Red Hat 3scale API Management Platform 2"}, {"cpe": "cpe:/a:redhat:3scale:2.13", "fix_state": "Affected", "package_name": "3scale-amp2/system-rhel9", "product_name": "Red Hat 3scale API Management Platform 2"}, {"cpe": "cpe:/a:redhat:3scale:2.13", "fix_state": "Affected", "package_name": "3scale-amp2/zync-rhel9", "product_name": "Red Hat 3scale API Management Platform 2"}, {"cpe": "cpe:/a:redhat:satellite:6", "fix_state": "Affected", "package_name": "rubygem-activestorage", "product_name": "Red Hat Satellite 6"}], "public_date": "2026-11-04T14:12:17Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-122006\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-122006\nhttps://github.com/rails/rails/releases/tag/v8.0.5.2\nhttps://github.com/rails/rails/releases/tag/v8.1.4.1\nhttps://github.com/rails/rails/security/advisories/GHSA-f3w6-w445-fwh9"], "statement": "A flaw in Active Storage's ImageMagick attachment analyzer allows a remote, unauthenticated attacker to upload a crafted file and execute unauthorized filesystem read and write operations due to the absence of a restrictive security policy during processing.", "threat_severity": "Important"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,8.0.5.2)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[8.1,8.1.4.1)"}}], "enrichment": {"confidence": 95.0, "confidence_source": "inferred", "scores": [{"score": 95.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Active Storage", "source": "cna", "vendor": "rubyonrails"}, "product": "active_storage", "vendor": "rubyonrails"}], "created": "2026-11-04T15:45:15.006380+00:00", "title": "ImageMagick Attachment Processing Allows Server Read/Write Operations in Active Storage", "updated": "2026-11-04T17:00:15.289514+00:00", "vendors": ["rubyonrails", "rubyonrails$PRODUCT$active_storage"]}