{"id":"CVE-2026-77090","state":"PUBLISHED","title":"CVFS Information Disclosure","description":"CVFS contained an XML external entity (XXE) reference handling issue affecting information dislcosure.  Software customers upgrade to resolved maintenance release. Update CVFS.","publishedAt":"2026-10-13T14:26:59.619Z","updatedAt":"2026-10-14T18:55:53.697Z","severity":{"score":8.7,"label":"High","version":"4.0","vector":"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","source":"Commvault"},"assigner":"Commvault","products":["Commvault Commvault Cloud","Commvault Grid(HSX) CVFS"],"affected":[{"vendor":"Commvault","product":"Commvault Cloud","defaultStatus":"unknown","versions":[{"version":"11.46.0","status":"affected","lessThanOrEqual":"11.46.29","changes":[{"at":"11.46.30","status":"unaffected"}],"versionType":"custom"},{"version":"11.44.0","status":"affected","lessThanOrEqual":"11.44.24","changes":[{"at":"11.44.25","status":"unaffected"}],"versionType":"custom"},{"version":"11.40.0","status":"affected","lessThanOrEqual":"11.40.77","changes":[{"at":"11.40.78","status":"unaffected"}],"versionType":"custom"},{"version":"11.36.0","status":"affected","lessThanOrEqual":"11.36.126","changes":[{"at":"11.36.127","status":"unaffected"}],"versionType":"custom"}],"platforms":["Linux"]},{"vendor":"Commvault","product":"Grid(HSX) CVFS","defaultStatus":"unknown","versions":[{"version":"5.0.1.0","status":"affected","lessThanOrEqual":"5.0.14.4","changes":[{"at":"5.0.14.5","status":"unaffected"}],"versionType":"custom"}],"platforms":["Linux"]}],"references":["https://documentation.commvault.com/securityadvisories/CV_2026_07_4.html"],"weaknesses":["CWE-611"],"ingestedAt":"2026-10-29T20:13:07.220Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/77xxx/CVE-2026-77090.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-77090","state":"PUBLISHED","datePublished":"2026-10-13T14:26:59.619Z","dateUpdated":"2026-10-14T18:55:53.697Z","assignerShortName":"Commvault","assignerOrgId":"050066fd-a2f9-4f32-ab5d-4c53f48bc333","dateReserved":"2026-08-20T10:56:58.070Z"},"containers":{"cna":{"title":"CVFS Information Disclosure","descriptions":[{"lang":"en","value":"CVFS contained an XML external entity (XXE) reference handling issue affecting information dislcosure.  Software customers upgrade to resolved maintenance release. Update CVFS."}],"affected":[{"vendor":"Commvault","product":"Commvault Cloud","defaultStatus":"unknown","versions":[{"version":"11.46.0","status":"affected","lessThanOrEqual":"11.46.29","changes":[{"at":"11.46.30","status":"unaffected"}],"versionType":"custom"},{"version":"11.44.0","status":"affected","lessThanOrEqual":"11.44.24","changes":[{"at":"11.44.25","status":"unaffected"}],"versionType":"custom"},{"version":"11.40.0","status":"affected","lessThanOrEqual":"11.40.77","changes":[{"at":"11.40.78","status":"unaffected"}],"versionType":"custom"},{"version":"11.36.0","status":"affected","lessThanOrEqual":"11.36.126","changes":[{"at":"11.36.127","status":"unaffected"}],"versionType":"custom"}],"platforms":["Linux"]},{"vendor":"Commvault","product":"Grid(HSX) CVFS","defaultStatus":"unknown","versions":[{"version":"5.0.1.0","status":"affected","lessThanOrEqual":"5.0.14.4","changes":[{"at":"5.0.14.5","status":"unaffected"}],"versionType":"custom"}],"platforms":["Linux"]}],"references":[{"url":"https://documentation.commvault.com/securityadvisories/CV_2026_07_4.html"}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV4_0":{"version":"4.0","baseScore":8.7,"baseSeverity":"HIGH","vectorString":"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"}}],"problemTypes":[{"descriptions":[{"lang":"en","description":"CWE-611: Improper Restriction of XML External Entity Reference"}]}],"providerMetadata":{"shortName":"Commvault","orgId":"050066fd-a2f9-4f32-ab5d-4c53f48bc333","dateUpdated":"2026-10-13T14:26:59.619Z"},"credits":[{"lang":"en","value":"Michael Tucker and Tan Chew Keong from the XOR team at JPMorgan Chase.","type":"reporter"}]},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-10-14T18:55:24.747642Z","id":"CVE-2026-77090","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-611","type":"CWE","lang":"en","description":"CWE-611 Improper Restriction of XML External Entity Reference"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-10-14T18:55:53.697Z"}}]}}}