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CVE-2026-92154

8.1 · HIGH

F´ (F Prime) is a framework that enables development and deployment of spaceflight and other embedded software applications.

Published Oct 14, 2026CWE-190EPSS 0.61%

Overview

CVE-2026-92154 is a high-severity vulnerability. It was published on October 14, 2026 and has a CVSS 3.1 base score of 8.1 (HIGH).

This vulnerability has a CVSS 3.1 base score of 8.1, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical description

F´ (F Prime) is a framework that enables development and deployment of spaceflight and other embedded software applications. Prior to 4.2.0, Svc::FileUplink handleDataPacket offset and size validation is vulnerable because the component checks byteOffset plus dataSize with wrapping U32 arithmetic and then seeks to the large attacker-controlled offset before writing. When a file-uplink DATA packet supplies a byteOffset and dataSize whose unsigned sum wraps below the declared file size, data can be written beyond the declared upload size, causing file integrity loss and potentially large sparse-file growth or resource exhaustion. This issue is fixed in version 4.2.0.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

GitHubgithub.com/nasa/fprime/commit/cacdd555456bd83ab395b521d56c0330470ea798GitHubgithub.com/nasa/fprime/pull/4919GitHubgithub.com/nasa/fprime/security/advisories/GHSA-wx8q-q5gx-f54pGitHubgithub.com/nasa/fprime/security/advisories/GHSA-wx8q-q5gx-f54p

How CyberStrike helps

Frequently asked questions

What is CVE-2026-92154?

CVE-2026-92154 is a high-severity vulnerability. It was published on October 14, 2026 and has a CVSS 3.1 base score of 8.1 (HIGH).

How severe is CVE-2026-92154?

This vulnerability has a CVSS 3.1 base score of 8.1, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2026-92154?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-92154?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-92154 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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