{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-25966", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-02-09T17:13:54.067Z", "datePublished": "2026-02-24T01:27:53.943Z", "dateUpdated": "2026-02-24T01:27:53.943Z"}, "containers": {"cna": {"title": "ImageMagick's Security Policy Bypass through config/policy-secure.xml via \"fd handler\" leads to stdin/stdout access", "problemTypes": [{"descriptions": [{"cweId": "CWE-284", "lang": "en", "description": "CWE-284: Improper Access Control", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "LOW", "baseScore": 5.9, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L", "version": "3.1"}}], "references": [{"name": "https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-xwc6-v6g8-pw2h", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-xwc6-v6g8-pw2h"}], "affected": [{"vendor": "ImageMagick", "product": "ImageMagick", "versions": [{"version": ">= 7.0.0, < 7.1.2-15", "status": "affected"}, {"version": "< 6.9.13-40", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-02-24T01:27:53.943Z"}, "descriptions": [{"lang": "en", "value": "ImageMagick is free and open-source software used for editing and manipulating digital images. The shipped \"secure\" security policy includes a rule intended to prevent reading/writing from standard streams. However, ImageMagick also supports fd:<n> pseudo-filenames (e.g., fd:0, fd:1). Prior to versions 7.1.2-15 and 6.9.13-40, this path form is not blocked by the secure policy templates, and therefore bypasses the protection goal of \"no stdin/stdout.\" Versions 7.1.2-15 and 6.9.13-40 contain a patch by including a change to the more secure policies by default. As a workaround, add the change to one's security policy manually."}], "source": {"advisory": "GHSA-xwc6-v6g8-pw2h", "discovery": "UNKNOWN"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "ImageMagick is free and open-source software used for editing and manipulating digital images. The shipped \"secure\" security policy includes a rule intended to prevent reading/writing from standard streams. However, ImageMagick also supports fd:<n> pseudo-filenames (e.g., fd:0, fd:1). Prior to versions 7.1.2-15 and 6.9.13-40, this path form is not blocked by the secure policy templates, and therefore bypasses the protection goal of \"no stdin/stdout.\" Versions 7.1.2-15 and 6.9.13-40 contain a patch by including a change to the more secure policies by default. As a workaround, add the change to one's security policy manually."}], "id": "CVE-2026-25966", "lastModified": "2026-02-24T14:13:49.320", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "LOW", "baseScore": 5.9, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L", "version": "3.1"}, "exploitabilityScore": 2.5, "impactScore": 3.4, "source": "[email protected]", "type": "Secondary"}]}, "published": "2026-02-24T02:16:01.330", "references": [{"source": "[email protected]", "url": "https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-xwc6-v6g8-pw2h"}], "sourceIdentifier": "[email protected]", "vulnStatus": "Undergoing Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-284"}], "source": "[email protected]", "type": "Primary"}]}

{"bugzilla": {"description": "ImageMagick: ImageMagick: Policy bypass allows unauthorized access to standard streams via fd:<n> pseudo-filenames", "id": "2442122", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2442122"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.9", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L", "status": "draft"}, "cwe": "CWE-184", "details": ["A flaw was found in ImageMagick. The \"secure\" security policy, intended to prevent reading and writing from standard streams, can be bypassed. An attacker can exploit this by using fd:<n> pseudo-filenames, which are not properly blocked by the policy. This allows the attacker to circumvent the intended security restrictions, potentially leading to unauthorized access to standard input/output (stdin/stdout) and subsequent information disclosure or data manipulation."], "mitigation": {"lang": "en:us", "value": "To mitigate this issue, modify the ImageMagick security policy file, typically located at `/etc/ImageMagick-X/policy.xml` (where X is the version), to explicitly deny access to `fd:` pseudo-filenames. Add a policy rule similar to `<policy domain=\"delegate\" rights=\"none\" pattern=\"fd:*\" />` within the `<policymap>` section. This change will prevent ImageMagick from processing `fd:` paths, thereby closing the bypass. A restart of any services utilizing ImageMagick may be required for the policy change to take effect."}, "name": "CVE-2026-25966", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "ImageMagick", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "ImageMagick", "product_name": "Red Hat Enterprise Linux 7"}], "public_date": "2026-02-24T01:27:53Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-25966\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-25966\nhttps://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-xwc6-v6g8-pw2h"], "statement": "This MODERATE impact flaw in ImageMagick allows a security policy bypass through the use of `fd:<n>` pseudo-filenames, enabling unauthorized access to standard input/output despite the \"secure\" policy. Red Hat Enterprise Linux 6 ELS and 7 ELS, as well as community projects like Fedora and EPEL, are affected by this vulnerability. Exploitation requires an attacker to provide a specially crafted image or command that leverages this bypass.", "threat_severity": "Moderate"}