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CVE-2026-92159

6.5 · MEDIUM

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

Published Oct 14, 2026CWE-130EPSS 0.45%

Overview

CVE-2026-92159 is a medium-severity vulnerability. It was published on October 14, 2026 and has a CVSS 3.1 base score of 6.5 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 6.5, rated MEDIUM. It requires local or adjacent network access to exploit. No authentication or special privileges are 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 4.3.0, Svc::TlmPacketizer TlmRecv_handler fixed-slot copy TlmRecv_handler copies val.getSize bytes into entry.channelSize storage without confirming that the runtime value fits. When a telemetry update for a configured channel carries a serialized value larger than that channel fixed slot, the copy overwrites adjacent channel fields and causes corrupted packetized telemetry to be emitted. This issue is fixed in version 4.3.0.

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/048fe04062b91be7af138df7e09cdd15812dde96GitHubgithub.com/nasa/fprime/commit/7eacd551aaf6d9a21e347ac2c8d827ca15ee5755GitHubgithub.com/nasa/fprime/pull/4878GitHubgithub.com/nasa/fprime/releases/tag/v4.3.0a1GitHubgithub.com/nasa/fprime/security/advisories/GHSA-grrq-8rmr-xf83GitHubgithub.com/nasa/fprime/security/advisories/GHSA-grrq-8rmr-xf83

How CyberStrike helps

Frequently asked questions

What is CVE-2026-92159?

CVE-2026-92159 is a medium-severity vulnerability. It was published on October 14, 2026 and has a CVSS 3.1 base score of 6.5 (MEDIUM).

How severe is CVE-2026-92159?

This vulnerability has a CVSS 3.1 base score of 6.5, rated MEDIUM. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2026-92159?

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-2026-92159?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-92159 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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