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CVE-2026-5473

NASA cFS Pickle pickle.load deserialization

Published: Apr 3, 2026Updated: Apr 30, 2026 Sources: CVE List NVDCWE-20
NVD MITRE
4.5CVSSMEDIUM
EPSS Score
0.2%
Top 87.3%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
No Fix Available

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.

CVSS Vector Breakdown

AV:LAC:HPR:LUI:NS:UC:LI:LA:L
Exploitability
AV:LAttack Vector
Local
AC:HAttack Complexity
High
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:LConfidentiality
Low
I:LIntegrity
Low
A:LAvailability
Low
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Weaknesses

CWE-20CWE-502

Affected Products

core flight systemnasa
cFSNASA

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

No known exploits, KEV entries, or remediation guidance available for this vulnerability yet.

MITRE ATT&CK

3 techniques
Execution
Initial Access
View detailed technique mapping

References

https://github.com/nasa/cFS/
github.com
https://github.com/nasa/cFS/issues/951
github.com
https://vuldb.com/submit/781949
vuldb.com
and 2 more references View all →

Timeline

Published
Apr 3, 2026
Last Updated
Apr 30, 2026

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