{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-41130", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-04-17T12:59:15.737Z", "datePublished": "2026-04-21T23:36:31.358Z", "dateUpdated": "2026-04-22T14:18:56.067Z"}, "containers": {"cna": {"title": "Craft CMS has a host header injection leading to SSRF via resource-js endpoint", "problemTypes": [{"descriptions": [{"cweId": "CWE-918", "lang": "en", "description": "CWE-918: Server-Side Request Forgery (SSRF)", "type": "CWE"}]}], "metrics": [{"cvssV4_0": {"attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "HIGH", "userInteraction": "NONE", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "LOW", "vulnAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "baseScore": 5.5, "baseSeverity": "MEDIUM", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N/E:P", "version": "4.0"}}], "references": [{"name": "https://github.com/craftcms/cms/security/advisories/GHSA-95wr-3f2v-v2wh", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/craftcms/cms/security/advisories/GHSA-95wr-3f2v-v2wh"}, {"name": "https://github.com/craftcms/cms/commit/ebe7e85f1c89700d64332f72492be2e9a594e783", "tags": ["x_refsource_MISC"], "url": "https://github.com/craftcms/cms/commit/ebe7e85f1c89700d64332f72492be2e9a594e783"}], "affected": [{"vendor": "craftcms", "product": "cms", "versions": [{"version": ">= 5.0.0-RC1, < 5.9.15", "status": "affected"}, {"version": ">= 4.0.0-RC1, < 4.17.9", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-04-21T23:36:31.358Z"}, "descriptions": [{"lang": "en", "value": "Craft CMS is a content management system (CMS). In versions on the 4.x branch through 4.17.8 and the 5.x branch through 5.9.14, the `resource-js` endpoint in Craft CMS allows unauthenticated requests to proxy remote JavaScript resources. \nWhen `trustedHosts` is not explicitly restricted (default configuration), the application trusts the client-supplied Host header. This allows an attacker to control the derived `baseUrl`, which is used in prefix validation inside `actionResourceJs()`. By supplying a malicious Host header, the attacker can make the server issue arbitrary HTTP requests, leading to Server-Side Request Forgery (SSRF). Versions 4.17.9 and 5.9.15 patch the issue."}], "source": {"advisory": "GHSA-95wr-3f2v-v2wh", "discovery": "UNKNOWN"}}, "adp": [{"references": [{"url": "https://github.com/craftcms/cms/security/advisories/GHSA-95wr-3f2v-v2wh", "tags": ["exploit"]}], "metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-04-22T14:18:44.834770Z", "id": "CVE-2026-41130", "options": [{"Exploitation": "poc"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-04-22T14:18:56.067Z"}}]}}

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