{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-97334","assignerOrgId":"050066fd-a2f9-4f32-ab5d-4c53f48bc333","state":"PUBLISHED","assignerShortName":"Commvault","dateReserved":"2026-09-24T12:01:47.252Z","datePublished":"2026-10-13T14:27:01.613Z","dateUpdated":"2026-10-13T14:40:43.295Z"},"containers":{"cna":{"providerMetadata":{"orgId":"050066fd-a2f9-4f32-ab5d-4c53f48bc333","shortName":"Commvault","dateUpdated":"2026-10-13T14:27:01.613Z"},"title":"Network messaging layer decompression resource exhaustion","problemTypes":[{"descriptions":[{"lang":"en","description":"CWE-409: Improper Handling of Highly Compressed Data (Data Amplification)"}]}],"affected":[{"vendor":"Commvault","product":"Commvault Cloud","platforms":["Windows","Linux"],"defaultStatus":"unknown","versions":[{"status":"affected","version":"11.46.0","lessThanOrEqual":"11.46.29","changes":[{"at":"11.46.30","status":"unaffected"}],"versionType":"custom"},{"status":"affected","version":"11.44.0","lessThanOrEqual":"11.44.24","changes":[{"at":"11.44.25","status":"unaffected"}],"versionType":"custom"},{"status":"affected","version":"11.40.0","lessThanOrEqual":"11.40.77","changes":[{"at":"11.40.78","status":"unaffected"}],"versionType":"custom"},{"status":"affected","version":"11.36.0","lessThanOrEqual":"11.36.126","changes":[{"at":"11.36.127","status":"unaffected"}],"versionType":"custom"}]}],"descriptions":[{"lang":"en","value":"The network messaging layer contained improper handling of highly compressed data affecting service availability.  Software customers upgrade to resolved maintenance release. Update all Commvault installations, including CommServe server, Web Server, Command Center, MediaAgents, clients, and HyperScale."}],"references":[{"url":"https://documentation.commvault.com/securityadvisories/CV_2026_10_3.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:N/VI:N/VA:H/SC:N/SI:N/SA:N"}}],"credits":[{"lang":"en","value":"Michael Tucker and Tan Chew Keong from the XOR team at JPMorgan Chase.","type":"reporter"}]},"adp":[{"problemTypes":[{"descriptions":[{"type":"CWE","cweId":"CWE-409","lang":"en","description":"CWE-409 Improper Handling of Highly Compressed Data (Data Amplification)"}]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-10-13T14:40:07.536505Z","id":"CVE-2026-97334","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-10-13T14:40:43.295Z"}}]}}