CVE-2026-5473
NASA cFS Pickle pickle.load deserialization
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.
INFO
Published Date :
April 3, 2026, 5:16 p.m.
Last Modified :
April 30, 2026, 8:57 p.m.
Remotely Exploit :
No
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 2.0 | LOW | [email protected] | ||||
| CVSS 3.1 | MEDIUM | [email protected] | ||||
| CVSS 3.1 | HIGH | [email protected] | ||||
| CVSS 4.0 | LOW | [email protected] |
Solution
- Avoid using pickle.load with untrusted input.
- Consider using a safer serialization format.
- Update cFS when a patch is available.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-5473.
| URL | Resource |
|---|---|
| https://github.com/nasa/cFS/ | Product |
| https://github.com/nasa/cFS/issues/951 | Issue Tracking |
| https://vuldb.com/submit/781949 | Third Party Advisory VDB Entry |
| https://vuldb.com/vuln/355077 | Third Party Advisory VDB Entry |
| https://vuldb.com/vuln/355077/cti | Permissions Required VDB Entry |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-5473 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-5473
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-5473 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-5473 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
Initial Analysis by [email protected]
Apr. 30, 2026
Action Type Old Value New Value Added CVSS V3.1 AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H Added CWE CWE-502 Added CPE Configuration OR *cpe:2.3:a:nasa:core_flight_system:*:*:*:*:*:*:*:* versions up to (including) 7.0.0 Added Reference Type VulDB: https://github.com/nasa/cFS/ Types: Product Added Reference Type VulDB: https://github.com/nasa/cFS/issues/951 Types: Issue Tracking Added Reference Type VulDB: https://vuldb.com/submit/781949 Types: Third Party Advisory, VDB Entry Added Reference Type VulDB: https://vuldb.com/vuln/355077 Types: Third Party Advisory, VDB Entry Added Reference Type VulDB: https://vuldb.com/vuln/355077/cti Types: Permissions Required, VDB Entry -
Data Remediation by [email protected]
Apr. 29, 2026
Action Type Old Value New Value Changed CVSS V4.0 Score 2.0 1.1 -
New CVE Received by [email protected]
Apr. 03, 2026
Action Type Old Value New Value Added 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. Added CVSS V4.0 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 Added CVSS V3.1 AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L Added CVSS V2 (AV:L/AC:H/Au:S/C:P/I:P/A:P) Added CWE CWE-20 Added CWE CWE-502 Added Reference https://github.com/nasa/cFS/ Added Reference https://github.com/nasa/cFS/issues/951 Added Reference https://vuldb.com/submit/781949 Added Reference https://vuldb.com/vuln/355077 Added Reference https://vuldb.com/vuln/355077/cti