CVE-2026-105985

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By first overriding an\u00a0EntryType\u00a0object\u2019s\u00a0uiLabelFormat\u00a0and then rendering an Entry that resolves the same request-cached entry type, an attacker can cause arbitrary Twig supplied in the request to be evaluated by\u00a0renderObjectTemplate().\n\n\n\nThis render path is not sandboxed. A Twig string callable can therefore reach PHP functions such as\u00a0system(), resulting in operating-system command execution with the privileges of the PHP/web-server process.\n\n\n\nThe issue was reproduced with an active non-admin Craft Team user with no optional permissions enabled. No access to entry-editing, Settings, utility, user-management, project-config, filesystem, Kubernetes, or environment variables was required.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "<p>Craft CMS 5.10.13.2 contains an authenticated remote code execution vulnerability in the Control Panel action&nbsp;<code>app/render-components</code>.</p><p>Any authenticated user with basic Control Panel access can submit request-controlled component classes and property overrides. By first overriding an&nbsp;<code>EntryType</code>&nbsp;object\u2019s&nbsp;<code>uiLabelFormat</code>&nbsp;and then rendering an Entry that resolves the same request-cached entry type, an attacker can cause arbitrary Twig supplied in the request to be evaluated by&nbsp;<code>renderObjectTemplate()</code>.</p><p>This render path is not sandboxed. A Twig string callable can therefore reach PHP functions such as&nbsp;<code>system()</code>, resulting in operating-system command execution with the privileges of the PHP/web-server process.</p><p>The issue was reproduced with an active non-admin Craft Team user with no optional permissions enabled. No access to entry-editing, Settings, utility, user-management, project-config, filesystem, Kubernetes, or environment variables was required.</p>"}]}], "references": [{"url": "https://www.hckrt.com/hacktivity/HCKRT-PVWH7W", "tags": ["third-party-advisory", "technical-description", "mitigation"]}, {"url": "https://github.com/craftcms/cms/releases/tag/5.11.0", "tags": ["release-notes"]}, {"url": "https://github.com/craftcms/cms", "tags": ["product"]}, {"url": "https://github.com/craftcms/cms/security/advisories/GHSA-g48f-wc2q-4rrv", "tags": ["third-party-advisory"]}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV4_0": {"attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "LOW", "userInteraction": "NONE", "vulnConfidentialityImpact": "HIGH", "subConfidentialityImpact": "NONE", "vulnIntegrityImpact": "HIGH", "subIntegrityImpact": "NONE", "vulnAvailabilityImpact": "HIGH", "subAvailabilityImpact": "NONE", "exploitMaturity": "NOT_DEFINED", "Safety": "NOT_DEFINED", "Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "valueDensity": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "version": "4.0", "baseSeverity": "HIGH", "baseScore": 8.7, "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N"}}, {"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV3_1": {"version": "3.1", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH", "baseSeverity": "HIGH", "baseScore": 8.8, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"}}], "credits": [{"lang": "en", "value": "@allblue", "type": "reporter"}, {"lang": "en", "value": "Hackrate", "type": "coordinator"}], "source": {"advisory": "GHSA-g48f-wc2q-4rrv", "discovery": "UNKNOWN"}, "x_generator": {"engine": "Vulnogram 1.0.4"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-10-06T00:00:00+00:00", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "role": "CISA Coordinator", "version": "2.0.3", "id": "CVE-2026-105985"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-10-07T03:55:21.500Z"}}]}}

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By first overriding an\u00a0EntryType\u00a0object\u2019s\u00a0uiLabelFormat\u00a0and then rendering an Entry that resolves the same request-cached entry type, an attacker can cause arbitrary Twig supplied in the request to be evaluated by\u00a0renderObjectTemplate().\n\n\n\nThis render path is not sandboxed. A Twig string callable can therefore reach PHP functions such as\u00a0system(), resulting in operating-system command execution with the privileges of the PHP/web-server process.\n\n\n\nThe issue was reproduced with an active non-admin Craft Team user with no optional permissions enabled. No access to entry-editing, Settings, utility, user-management, project-config, filesystem, Kubernetes, or environment variables was required.", "supportingMedia": [{"type": "text/html", "value": "<p>Craft CMS 5.10.13.2 contains an authenticated remote code execution vulnerability in the Control Panel action&nbsp;<code>app/render-components</code>.</p><p>Any authenticated user with basic Control Panel access can submit request-controlled component classes and property overrides. By first overriding an&nbsp;<code>EntryType</code>&nbsp;object\u2019s&nbsp;<code>uiLabelFormat</code>&nbsp;and then rendering an Entry that resolves the same request-cached entry type, an attacker can cause arbitrary Twig supplied in the request to be evaluated by&nbsp;<code>renderObjectTemplate()</code>.</p><p>This render path is not sandboxed. A Twig string callable can therefore reach PHP functions such as&nbsp;<code>system()</code>, resulting in operating-system command execution with the privileges of the PHP/web-server process.</p><p>The issue was reproduced with an active non-admin Craft Team user with no optional permissions enabled. No access to entry-editing, Settings, utility, user-management, project-config, filesystem, Kubernetes, or environment variables was required.</p>", "base64": false}]}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-1336", "description": "CWE-1336 Improper neutralization of special elements used in a template engine"}]}], "cpeApplicability": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:craftcms:cms:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "5.11.0", "versionStartIncluding": "5.0.0"}], "operator": "OR"}], "operator": "OR"}], "providerMetadata": {"orgId": "7004884b-51e2-48e8-b4a2-5ca29e80453e", "shortName": "Hackrate", "dateUpdated": "2026-10-06T10:23:25.037Z"}}}, "cveMetadata": {"cveId": "CVE-2026-105985", "state": "PUBLISHED", "dateUpdated": "2026-10-07T03:55:21.500Z", "dateReserved": "2026-10-06T10:08:10.713Z", "assignerOrgId": "7004884b-51e2-48e8-b4a2-5ca29e80453e", "datePublished": "2026-10-06T10:23:25.037Z", "assignerShortName": "Hackrate"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"collectionURL": "https://packagist.org", "defaultStatus": "unaffected", "packageName": "craftcms/cms", "product": "cms", "vendor": "craftcms", "versions": [{"lessThan": "5.11.0", "status": "affected", "version": "5.0.0", "versionType": "semver"}]}], "source": "7004884b-51e2-48e8-b4a2-5ca29e80453e"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Craft CMS 5.10.13.2 contains an authenticated remote code execution vulnerability in the Control Panel action\u00a0app/render-components.\n\n\n\nAny authenticated user with basic Control Panel access can submit request-controlled component classes and property overrides. By first overriding an\u00a0EntryType\u00a0object\u2019s\u00a0uiLabelFormat\u00a0and then rendering an Entry that resolves the same request-cached entry type, an attacker can cause arbitrary Twig supplied in the request to be evaluated by\u00a0renderObjectTemplate().\n\n\n\nThis render path is not sandboxed. A Twig string callable can therefore reach PHP functions such as\u00a0system(), resulting in operating-system command execution with the privileges of the PHP/web-server process.\n\n\n\nThe issue was reproduced with an active non-admin Craft Team user with no optional permissions enabled. No access to entry-editing, Settings, utility, user-management, project-config, filesystem, Kubernetes, or environment variables was required."}], "id": "CVE-2026-105985", "lastModified": "2026-10-07T04:17:46.197", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 5.9, "source": "7004884b-51e2-48e8-b4a2-5ca29e80453e", "type": "Secondary"}], "cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 8.7, "baseSeverity": "HIGH", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "LOW", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "version": "4.0", "vulnAvailabilityImpact": "HIGH", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "7004884b-51e2-48e8-b4a2-5ca29e80453e", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-105985", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-10-06T00:00:00+00:00", "version": "2.0.3"}}]}, "published": "2026-10-06T11:17:16.857", "references": [{"source": "7004884b-51e2-48e8-b4a2-5ca29e80453e", "url": "https://github.com/craftcms/cms"}, {"source": "7004884b-51e2-48e8-b4a2-5ca29e80453e", "url": "https://github.com/craftcms/cms/releases/tag/5.11.0"}, {"source": "7004884b-51e2-48e8-b4a2-5ca29e80453e", "url": "https://github.com/craftcms/cms/security/advisories/GHSA-g48f-wc2q-4rrv"}, {"source": "7004884b-51e2-48e8-b4a2-5ca29e80453e", "url": "https://www.hckrt.com/hacktivity/HCKRT-PVWH7W"}], "sourceIdentifier": "7004884b-51e2-48e8-b4a2-5ca29e80453e", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-1336"}], "source": "7004884b-51e2-48e8-b4a2-5ca29e80453e", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[5.0.0,5.11.0)"}}], "enrichment": {"confidence": 95.0, "confidence_source": "inferred", "scores": [{"score": 95.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "cms", "source": "cna", "vendor": "craftcms"}, "product": "cms", "vendor": "craftcms"}], "created": "2026-10-06T14:15:17.995194+00:00", "updated": "2026-10-07T08:15:13.713051+00:00", "vendors": ["craftcms", "craftcms$PRODUCT$cms"]}