{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-66090","assignerOrgId":"9c1820ae-fb77-4810-a8aa-ca46e7474d2f","state":"PUBLISHED","assignerShortName":"MON-CSIRT","dateReserved":"2026-07-24T02:22:10.431Z","datePublished":"2026-10-29T01:37:37.928Z","dateUpdated":"2026-10-29T02:02:13.278Z"},"containers":{"cna":{"providerMetadata":{"orgId":"9c1820ae-fb77-4810-a8aa-ca46e7474d2f","shortName":"MON-CSIRT","dateUpdated":"2026-10-29T01:37:37.928Z"},"title":"XML External Entity (XXE) Injection in Metadata Field Allows Arbitrary File Read","problemTypes":[{"descriptions":[{"lang":"en","cweId":"CWE-611","description":"CWE-611 Improper restriction of XML external entity reference","type":"CWE"}]}],"impacts":[{"capecId":"CAPEC-201","descriptions":[{"lang":"en","value":"CAPEC-201 Serialized Data External Linking"}]},{"capecId":"CAPEC-250","descriptions":[{"lang":"en","value":"CAPEC-250 XML Injection"}]}],"affected":[{"vendor":"Apereo Foundation","product":"openEQUELLA","versions":[{"status":"affected","version":"0","lessThan":"2026.1","versionType":"custom"}],"defaultStatus":"unaffected"}],"descriptions":[{"lang":"en","value":"In openEQUELLA before 2026.1, the XML parser used for item metadata does not disable external entity resolution. A user permitted to create items (CREATE_ITEM) can submit crafted XML to POST /api/item and cause the server to read arbitrary files accessible to the openEQUELLA service, or make requests to attacker-specified locations (SSRF), including cloud instance metadata services.","supportingMedia":[{"type":"text/html","base64":false,"value":"In openEQUELLA before 2026.1, the XML parser used for item metadata does not disable external entity resolution. A user permitted to create items (CREATE_ITEM) can submit crafted XML to POST /api/item and cause the server to read arbitrary files accessible to the openEQUELLA service, or make requests to attacker-specified locations (SSRF), including cloud instance metadata services."}]}],"references":[{"url":"https://github.com/openequella/openEQUELLA/security/advisories/GHSA-668q-3hpr-6c96","tags":["vendor-advisory"]},{"url":"https://openequella.github.io/guides/","tags":["product"]}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV4_0":{"attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"LOW","userInteraction":"NONE","vulnConfidentialityImpact":"HIGH","subConfidentialityImpact":"LOW","vulnIntegrityImpact":"NONE","subIntegrityImpact":"NONE","vulnAvailabilityImpact":"NONE","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":7.1,"vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:L/SI:N/SA:N"}}],"solutions":[{"lang":"en","value":"Update to vendor recommended versions","supportingMedia":[{"type":"text/html","base64":false,"value":"Update to vendor recommended versions"}]}],"credits":[{"lang":"en","value":"feixy","type":"finder"}],"source":{"discovery":"UNKNOWN"},"x_generator":{"engine":"Vulnogram 1.0.4"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"id":"CVE-2026-66090","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2026-10-29T01:50:31.628692Z"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-10-29T02:02:13.278Z"}}]}}