{"id":"CVE-2026-101048","state":"PUBLISHED","title":"Cloudreve before 4.17.0 SSRF via Admin.Read OAuth scope","description":"Cloudreve before 4.17.0 registers the administrative node test endpoints (POST /api/v4/admin/node/test and POST /api/v4/admin/node/test/downloader) without requiring the Admin.Write OAuth scope, unlike the node create/update/delete routes. An OAuth client that has been authorized by an administrator with only the Admin.Read scope can therefore submit attacker-controlled node definitions and cause the Cloudreve server to issue outbound requests to arbitrary URLs, enabling blind server-side request forgery, internal service probing, and delivery of signed Cloudreve slave-style requests to attacker-chosen endpoints.","publishedAt":"2026-09-27T17:02:36.546Z","updatedAt":"2026-10-08T15:22:07.489Z","severity":{"score":5.3,"label":"Medium","version":"4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N","source":"VulnCheck"},"assigner":"VulnCheck","products":["cloudreve cloudreve"],"affected":[{"vendor":"cloudreve","product":"cloudreve","packageURL":"pkg:golang/github.com/cloudreve/Cloudreve/v4","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"4.17.0","versionType":"semver"},{"version":"4.17.0","status":"unaffected","versionType":"semver"}]}],"references":["https://github.com/cloudreve/cloudreve/security/advisories/GHSA-v6w6-358x-2433","https://www.vulncheck.com/advisories/cloudreve-before-4.17.0-ssrf-via-admin-read-oauth-scope"],"weaknesses":["CWE-863"],"ingestedAt":"2026-10-29T20:10:13.529Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/101xxx/CVE-2026-101048.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-101048","state":"PUBLISHED","datePublished":"2026-09-27T17:02:36.546Z","dateUpdated":"2026-10-08T15:22:07.489Z","assignerShortName":"VulnCheck","assignerOrgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","dateReserved":"2026-09-27T15:48:49.472Z"},"containers":{"cna":{"title":"Cloudreve before 4.17.0 SSRF via Admin.Read OAuth scope","descriptions":[{"lang":"en","value":"Cloudreve before 4.17.0 registers the administrative node test endpoints (POST /api/v4/admin/node/test and POST /api/v4/admin/node/test/downloader) without requiring the Admin.Write OAuth scope, unlike the node create/update/delete routes. An OAuth client that has been authorized by an administrator with only the Admin.Read scope can therefore submit attacker-controlled node definitions and cause the Cloudreve server to issue outbound requests to arbitrary URLs, enabling blind server-side request forgery, internal service probing, and delivery of signed Cloudreve slave-style requests to attacker-chosen endpoints."}],"affected":[{"vendor":"cloudreve","product":"cloudreve","packageURL":"pkg:golang/github.com/cloudreve/Cloudreve/v4","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"4.17.0","versionType":"semver"},{"version":"4.17.0","status":"unaffected","versionType":"semver"}]}],"references":[{"url":"https://github.com/cloudreve/cloudreve/security/advisories/GHSA-v6w6-358x-2433","tags":["vendor-advisory"],"name":"GitHub Security Advisory (GHSA-v6w6-358x-2433)"},{"url":"https://www.vulncheck.com/advisories/cloudreve-before-4.17.0-ssrf-via-admin-read-oauth-scope","name":"VulnCheck Advisory: Cloudreve before 4.17.0 SSRF via Admin.Read OAuth scope","tags":["third-party-advisory"]}],"metrics":[{"format":"CVSS","cvssV4_0":{"version":"4.0","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N","attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"LOW","userInteraction":"NONE","vulnConfidentialityImpact":"LOW","vulnIntegrityImpact":"NONE","vulnAvailabilityImpact":"LOW","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","baseScore":5.3,"baseSeverity":"MEDIUM"}},{"format":"CVSS","cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:L","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"LOW","integrityImpact":"NONE","availabilityImpact":"LOW","baseScore":5.4,"baseSeverity":"MEDIUM"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-863","lang":"en","description":"Incorrect Authorization","type":"CWE"}]}],"providerMetadata":{"shortName":"VulnCheck","orgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","dateUpdated":"2026-10-08T15:22:07.489Z"},"datePublic":"2026-07-23T00:00:00.000Z","cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:cloudreve:cloudreve:*:*:*:*:*:*:*:*","versionEndExcluding":"4.17.0"}]}]}],"credits":[{"lang":"en","value":"DavidCarliez","type":"reporter"}],"x_generator":{"engine":"vulncheck-endgame"}},"adp":[{"title":"CISA ADP Vulnrichment","references":[{"url":"https://github.com/cloudreve/cloudreve/security/advisories/GHSA-v6w6-358x-2433","tags":["exploit"]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-09-30T15:30:07.809939Z","id":"CVE-2026-101048","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-09-30T15:30:30.176Z"}}]}}}