{"id":"CVE-2026-114198","aliases":["EUVD-2026-106924","GHSA-99jr-jxwf-6chm"],"status":"published","title":"Deserialization of untrusted data in floss","description":"Deserialization of untrusted data in Mandiant FLARE floss releases before 3.2.0 allows arbitrary code execution when a crafted .viv or .exe.viv workspace is passed to the floss utility","severity":{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:L/AC:H/AT:P/PR:N/UI:A/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00152,"percentile":0.04396,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-502"],"published":"2026-10-21T00:39:47Z","modified":"2026-10-22T17:36:46Z","products":[{"vendor":"mandiant flare","product":"floss"}],"references":[{"url":"https://github.com/mandiant/Vulnerability-Disclosures/blob/master/2026/MNDT-2026-0036.md","tags":["third-party-advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-114198"},{"url":"https://github.com/advisories/GHSA-99jr-jxwf-6chm"}],"sources":{"cve":[{"id":"CVE-2026-114198","title":"Deserialization of untrusted data in floss","description":"Deserialization of untrusted data in Mandiant FLARE floss releases before 3.2.0 allows arbitrary code execution when a crafted .viv or .exe.viv workspace is passed to the floss utility","status":"published","published":"2026-10-21T00:39:47.288Z","modified":"2026-10-21T17:19:14.727Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:L/AC:H/AT:P/PR:N/UI:A/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H","level":"high","assessor":"cna"}],"cwes":["CWE-502"],"updated_at":"2026-11-02T13:39:50.160666Z"}],"euvd":[{"id":"EUVD-2026-106924","description":"Deserialization of untrusted data in Mandiant FLARE floss releases before 3.2.0 allows arbitrary code execution when a crafted .viv or .exe.viv workspace is passed to the floss utility","status":"published","published":"2026-10-21T00:39:47Z","modified":"2026-10-21T17:19:14Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:L/AC:H/AT:P/PR:N/UI:A/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H","level":"high"}],"updated_at":"2026-11-02T16:59:36.259658Z"}],"ghsa":[{"id":"GHSA-99jr-jxwf-6chm","title":"Deserialization of untrusted data in Mandiant FLARE floss releases before 3.2.0 allows arbitrary...","description":"Deserialization of untrusted data in Mandiant FLARE floss releases before 3.2.0 allows arbitrary code execution when a crafted .viv or .exe.viv workspace is passed to the floss utility","status":"published","published":"2026-10-21T03:32:28Z","modified":"2026-10-21T03:32:36Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:L/AC:H/AT:P/PR:N/UI:A/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/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","level":"high"}],"cwes":["CWE-502"],"updated_at":"2026-11-02T15:14:09.061875Z"}],"nvd":[{"id":"CVE-2026-114198","description":"Deserialization of untrusted data in Mandiant FLARE floss releases before 3.2.0 allows arbitrary code execution when a crafted .viv or .exe.viv workspace is passed to the floss utility","status":"published","published":"2026-10-21T01:17:38.633Z","modified":"2026-10-22T17:36:46.95Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:L/AC:H/AT:P/PR:N/UI:A/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/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","level":"high","assessor":"secondary"}],"cwes":["CWE-502"],"updated_at":"2026-11-02T14:13:02.045979Z"}]}}