Vulnerability · Published Oct 14, 2026 · Assigned by GitHub_M

CVE-2026-92150F´: GenericHub Malformed Buffer Assertion DoS

High 7.5

In plain English

A high-severity security flaw in fprime from nasa. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 47% of all known vulnerabilities).

Severity (CVSS 3.1)7.5High

Exploit odds (30 days)0.6%top 53.4% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official 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::GenericHub fromBufferDriver_handler deserialization is vulnerable because the receive handler uses FW_ASSERT for externally influenced deserialization status and type validation and permits a command payload size subtraction to underflow. When an unauthenticated inter-processor hub peer sends a truncated buffer, an invalid HubType, or a header-only command-dispatch payload, malformed hub traffic aborts or resets the process, causing denial of service. This issue is fixed in version 4.2.0.

Affected products (as reported)

Vendor	Product	Versions
nasa	fprime	< 4.2.0

Weakness: CWE-617 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References

https://github.com/nasa/fprime/security/advisories/GHSA-2mh6-f7jj-6c93 x_refsource_CONFIRM
https://github.com/nasa/fprime/pull/4929 x_refsource_MISC
https://github.com/nasa/fprime/commit/b56b53634fd4251ae84919f22dcff829ef9e0986 x_refsource_MISC
https://github.com/nasa/fprime/releases/tag/v4.2.0 x_refsource_MISC