{"id":"CVE-2026-77090","title":"CVFS contained an XML external entity (XXE) reference handling issue affecting information dislcosure","summary":"CVFS contained an XML external entity (XXE) reference handling issue affecting information dislcosure.  Software customers upgrade to resolved maintenance release. Update CVFS.","severity":"high","cwe":["CWE-611"],"published":"2026-10-13","updated":"2026-10-14","sourceUpdated":"2026-10-14T19:17:20.647","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-77090","references":[{"url":"https://documentation.commvault.com/securityadvisories/CV_2026_07_4.html","label":"050066fd-a2f9-4f32-ab5d-4c53f48bc333"}],"tags":["nvd","cve.org"],"epss":0.0033,"epssPercentile":0.26022,"ingestedAt":"2026-10-13T15:33:40.081Z","vendor":"Commvault","product":"Commvault Cloud","affected":["cloud >= 11.46.0 <= 11.46.29","cloud >= 11.44.0 <= 11.44.24","cloud >= 11.40.0 <= 11.40.77","cloud >= 11.36.0 <= 11.36.126","grid_hsx_cvfs >= 5.0.1.0 <= 5.0.14.4"],"cvss":8.7,"cvssVector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N","ssvc":{"exploitation":"none","automatable":"yes","technicalImpact":"partial","timestamp":"2026-10-14T18:55:24.747642Z"},"cvssSource":"cna","slug":"CVE-2026-77090","body":"## Overview\n\nCVFS contained an XML external entity (XXE) reference handling issue affecting information dislcosure.  Software customers upgrade to resolved maintenance release. Update CVFS.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":48,"depthScoreParts":{"impact":47.8,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[{"seq":221852,"id":"CVE-2026-77090","ts":1792035860347,"field":"cvss","old":null,"new":"8.7"},{"seq":221851,"id":"CVE-2026-77090","ts":1792035860347,"field":"severity","old":"none","new":"high"}]}