CVE-2026-92153

CVE-2026-92153 · F´: Arbitrary File Write in Svc::FileUplink via attacker-controlled StartPacket.destinationPath

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F´ (F Prime) is a framework that enables development and deployment of spaceflight and other embedded software applications. Prior to 4.3.0, Svc::FileUplink handling of Fw::FilePacket::StartPacket destination paths FileUplink copies the packet-controlled destinationPath and opens it for writing without canonicalization or confinement to an upload directory. When a peer able to send file-uplink packets supplies an absolute, traversing, or otherwise attacker-selected writable destination path, files can be created or overwritten at attacker-selected writable filesystem locations, affecting integrity and potentially availability. This issue is fixed in version 4.3.0.

CVSS 7.1 · High · EPSS 0.4%

Published

2026-10-14T16:28:18.673Z

Updated

2026-10-15T15:07:36.971Z

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