{"id":"CVE-2026-77099","published":"2026-10-13T15:17:49Z","modified":"2026-10-14T16:04:11Z","title":"CVFS contained an input validation issue affecting command execution","vendor":"Commvault","product":"Commvault Cloud","tier":"core","eol":null,"description":{"text":"CVFS contained an input validation issue affecting command execution.  Software customers upgrade to resolved maintenance release. Update CVFS.","provenance":"source","from":"NVD"},"summary":{"text":"Commvault Cloud's CVFS component contains a critical input validation flaw that can lead to OS command injection and command execution. Commvault Cloud software customers are affected and should upgrade to the resolved maintenance release.","provenance":"ai","model":"deepseek-v4-flash","generatedAt":"2026-10-23T03:20:56Z"},"cvss":{"score":9.3,"severity":"CRITICAL","version":"4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","provenance":"source","from":"NVD"},"epss":{"score":0.00388,"percentile":0.32968,"date":"2026-10-31","provenance":"source"},"kev":null,"vulncheckKev":null,"exploited":false,"otx":null,"cwes":[{"id":"CWE-78","name":"Improper Neutralization of Special Elements used in an OS Command"}],"references":[{"url":"https://documentation.commvault.com/securityadvisories/CV_2026_10_9.html","tags":[]}],"techniques":[],"reports":[],"affected":[],"advisories":[],"euvd":{"id":"EUVD-2026-98761","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-98761","exploited":false,"exploitedSince":null,"provenance":"source"},"exploits":[],"exploitSources":null,"exploitRefs":[],"flow":[],"timeline":[{"date":"2026-10-13","kind":"published","label":"Published (NVD)","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-77099","provenance":"source"}],"speed":{"daysToPublicExploit":null,"firstExploitFrom":null,"daysToKev":null},"priority":{"score":13.1,"factors":[{"name":"In a KEV catalog","points":0.0,"detail":"not listed"},{"name":"Recent KEV listing","points":0.0,"detail":"not listed"},{"name":"Known ransomware use","points":0.0,"detail":"not known"},{"name":"EPSS percentile","points":6.59,"detail":"percentile 0.3297"},{"name":"Named in threat reports","points":0.0,"detail":"0 reports"},{"name":"Public exploit code","points":0.0,"detail":"none found"},{"name":"Mentioned in OTX pulses","points":0.0,"detail":"0 pulses"},{"name":"CVSS severity","points":6.51,"detail":"base score 9.3"},{"name":"End-of-life product","points":0.0,"detail":"supported or unknown"}]}}