CVE-2026-5473

Name: CVE-2026-5473
Creator: NVD / NIST
Published: 2026-04-03T17:16:54.203+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

LOWCVSS 1.1/10EPSS 0.22%

Last modified Jun 17, 2026

CVE-2026-5473 is a low-severity vulnerability rated 1.1/10 on the CVSS scale. A vulnerability has been found in NASA cFS up to 7.0.0. The impacted element is the function pickle.load of the component Pickle Module. EPSS estimates a 0.22% chance of exploitation in the next 30 days.

Description

A vulnerability has been found in NASA cFS up to 7.0.0. The impacted element is the function pickle.load of the component Pickle Module. Such manipulation leads to deserialization. The attack needs to be performed locally. The attack requires a high level of complexity. The exploitability is regarded as difficult. The exploit has been disclosed to the public and may be used. The project was informed of the problem early through an issue report but has not responded yet.

Metrics

CVSS 3.1

7/10

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS 4.0

1.1/10

CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS Probability

0.22%

12.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Nasa	Core Flight System	<= 7.0.0

References

https://github.com/nasa/cFS/Product
https://github.com/nasa/cFS/issues/951Issue Tracking
https://vuldb.com/submit/781949Third Party Advisory, VDB Entry
https://vuldb.com/vuln/355077Third Party Advisory, VDB Entry
https://vuldb.com/vuln/355077/ctiPermissions Required, VDB Entry

Timeline

Published: Apr 3, 2026
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2026-5473?

How severe is CVE-2026-5473?

CVE-2026-5473 has a CVSS score of 1.1/10 (LOW severity). The EPSS model estimates a 0.22% probability of exploitation in the next 30 days.

How do I fix CVE-2026-5473?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-5473?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST