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TI-2026-78733 Aliases CVE-2026-114197

Deserialization of untrusted data in Mandiant FLARE capa

Priority LOW 39CWE-502Published · Updated

Key facts

Attack vector
Local
Privileges required
None
User interaction
Active
Attack complexity
High
Attack requirements
Present
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-502.

Summary

Mandiant FLARE capa releases before 10.0.0 deserialize untrusted data. A crafted .viv or .exe.viv workspace passed to the capa utility allows arbitrary code execution. The attack is local, needs user interaction, and the attacker must get the victim to load the workspace. The weakness is classified as CWE-502.

Written with Claude Haiku 5.5 from the sources below · 2026-10-28

Description from the CNA

Deserialization of untrusted data in Mandiant FLARE capa releases before 10.0.0 allows arbitrary code execution when a crafted .viv or .exe.viv workspace is passed to the capa utility

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00152 4th percentileScored 2026-11-07
Fix Fixed capa (Mandiant FLARE): 10.0.0

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
Mandiant FLAREcapabefore 10.0.010.0.0Patch availableCNA
  • capa VendorMandiant FLARE Affected before 10.0.0 Fixed in 10.0.0 Patch available CNA

Remediation

Upgrade capa to version 10.0.0 or later.

Written with Claude Haiku 5.5 from the sources below · 2026-10-28

  • Fix · CNA capa (Mandiant FLARE) Fixed in 10.0.0

Timeline

  1. 2026-10-21 Threatist record created from CVE-2026-114197
  2. 2026-10-21 CISA SSVC decision points changed
  3. 2026-10-21 Priority changed: MEDIUM → LOW

References

Advisory 1

  • TI-2026-78734 Deserialization of untrusted data in Mandiant FLARE floss CVSS 4.0HIGH 8.7

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences