CVE-2026-92154 F´ (F Prime) - Data Tampering & Denial of Service

F´ (F Prime) < 4.2.0 contains a file integrity loss vulnerability caused by improper offset and size validation in Svc::FileUplink handleDataPacket, letting attackers write beyond declared upload size, exploit requires crafted file-uplink DATA packet.

CVSS base score 8.1 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Required
View the NVD record ↗

Details

Type
Data Tampering
Impact
Data Tampering, Denial Of Service
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
Published
14 October 2026
Updated
15 October 2026
Weakness
CWE-190

Vendor fix

Update to version 4.2.0 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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