CVE-2026-114198CWE-502insecure-deserialization

CVE-2026-114198

published October 21, 2026

CVSS
8.7
EPSS
0%
Percentile
1.5
In the wild
Unconfirmed
What it is

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

The record
Technical detail
CVSS
8.7 · NONE
CVSS v4.0
8.7 · 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
EPSS
0.00116 · 1.5th percentile
Weakness
CWE-502 · Deserialization of Untrusted Data
Published
2026-10-21T05:17Z
References (1)
https://github.com/mandiant/Vulnerability-Disclosures/blob/master/2026/MNDT-2026-0036.md · [email protected]
EPSS history
Timeline
  • 22 OCT 03:29Z
    EPSS moved — → 0%
    epss
  • 21 OCT 00:39Z
    Deserialization of untrusted data in floss
    cvelistv5
  • 21 OCT 00:39Z
    Deserialization of untrusted data in floss
    cvelistv5