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CVE-2026-92157

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-190EPSS 0.58%

Overview

CVE-2026-92157 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::FileDownlink SendPartial range validation is vulnerable because unchecked startOffset plus length arithmetic bypasses the range check and stores a wrapped m_endOffset that is inconsistent with m_byteOffset. When an existing source file is larger than a valid startOffset and a SendPartial command supplies a length whose U32 sum with that offset wraps below the file size, under standard F Prime assertion handling, the first data-packet transition reaches FW_ASSERT and aborts or resets the process, causing denial of service. 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/33fe2a4fe3fd5ff1b14985669fbad09f070e9914GitHubgithub.com/nasa/fprime/commit/95eeb5cfb44e5609eff0887f0e11e640cdacef6bGitHubgithub.com/nasa/fprime/pull/5565GitHubgithub.com/nasa/fprime/releases/tag/v4.3.0GitHubgithub.com/nasa/fprime/security/advisories/GHSA-hcmw-g425-8h9gGitHubgithub.com/nasa/fprime/security/advisories/GHSA-hcmw-g425-8h9g

How CyberStrike helps

Frequently asked questions

What is CVE-2026-92157?

CVE-2026-92157 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-2026-92157?

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-2026-92157?

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-2026-92157?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-92157 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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