{"id":"CVE-2026-66089","title":"XML External Entity (XXE) Vulnerability in SOAP Interface Allows External Entity Expansion","summary":"In openEQUELLA before 2026.1, the SOAP API parses XML supplied in the stopEdit operation with a parser that resolves external entities. This allows an attacker to read arbitrary files accessible to the openEQUELLA service or cause the se…","severity":"medium","cvss":6.1,"cvssVector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:L/VA:L/SC:L/SI:N/SA:N","cvssSource":"cna","cwe":["CWE-611"],"vendor":"Apereo Foundation","product":"openEQUELLA","affected":["openEQUELLA < 2026.1"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-10-29T01:50:41.667300Z"},"published":"2026-10-29","updated":"2026-10-29","sourceUpdated":"2026-10-29T02:02:13.415Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-66089","references":[{"url":"https://github.com/openequella/openEQUELLA/security/advisories/GHSA-f9wv-5rpf-rq45"},{"url":"https://openequella.github.io/guides/"}],"tags":["cve.org"],"epss":0.00269,"epssPercentile":0.1916,"ingestedAt":"2026-10-31T01:14:13.031Z","slug":"CVE-2026-66089","body":"## Overview\n\nIn openEQUELLA before 2026.1, the SOAP API parses XML supplied in the stopEdit operation with a parser that resolves external entities. This allows an attacker to read arbitrary files accessible to the openEQUELLA service or cause the server to issue requests to attacker-specified locations (SSRF).\n\n## Affected\n\n- `openEQUELLA < 2026.1`\n\n## Remediation\n\nUpgrade to the vendor recommended fixed versions","depth":"sunlit","depthScore":34,"depthScoreParts":{"impact":33.6,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}