{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-54562", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-06-15T19:04:14.457Z", "datePublished": "2026-07-15T14:37:37.176Z", "dateUpdated": "2026-07-15T15:00:16.053Z"}, "containers": {"cna": {"title": "Cloudreve: Non-admin remote download users can SSRF loopback/internal services and read imported responses", "problemTypes": [{"descriptions": [{"cweId": "CWE-918", "lang": "en", "description": "CWE-918: Server-Side Request Forgery (SSRF)", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N", "version": "3.1"}}], "references": [{"name": "https://github.com/cloudreve/cloudreve/security/advisories/GHSA-x756-g4x3-c64m", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/cloudreve/cloudreve/security/advisories/GHSA-x756-g4x3-c64m"}, {"name": "https://github.com/cloudreve/cloudreve/commit/aaebf317a78f2413d74afd66c21a1f3143711312", "tags": ["x_refsource_MISC"], "url": "https://github.com/cloudreve/cloudreve/commit/aaebf317a78f2413d74afd66c21a1f3143711312"}, {"name": "https://github.com/cloudreve/cloudreve/releases/tag/4.16.1", "tags": ["x_refsource_MISC"], "url": "https://github.com/cloudreve/cloudreve/releases/tag/4.16.1"}], "affected": [{"vendor": "cloudreve", "product": "cloudreve", "versions": [{"version": "< 4.16.1", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-07-15T14:37:37.176Z"}, "descriptions": [{"lang": "en", "value": "Cloudreve is a self-hosted file management and sharing system. Prior to 4.16.1, Cloudreve's remote download workflow accepts user-supplied URLs at POST /api/v4/workflow/download and passes them to the configured downloader without blocking loopback, localhost, IPv6 localhost, or redirect-to-loopback targets, allowing a non-admin user with remote download permission to fetch internal-only URLs and read the response after it is imported into the user's own files. This issue is fixed in version 4.16.1."}], "source": {"advisory": "GHSA-x756-g4x3-c64m", "discovery": "UNKNOWN"}}, "adp": [{"references": [{"url": "https://github.com/cloudreve/cloudreve/security/advisories/GHSA-x756-g4x3-c64m", "tags": ["exploit"]}], "metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-07-15T15:00:11.592846Z", "id": "CVE-2026-54562", "options": [{"Exploitation": "poc"}, {"Automatable": "no"}, {"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": "2026-07-15T15:00:16.053Z"}}]}}

{}

{}

{}

{}