CVE-2026-5473

NASA cFS Pickle pickle.load deserialization

HIGH
7
CVSS Score
Published: April 3, 2026 at 04:30 PM UTC
Updated: July 24, 2026 at 08:20 PM UTC
2 products affected across 1 vendorCfsCore Flight System

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Severity
HIGH7
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

All versions

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (5)

VDB EntryTechnical DescriptionThird Party Advisory
Source: cverecord
https://vuldb.com/vuln/355077
SignaturePermissions RequiredVDB Entry
Source: cverecord
https://vuldb.com/vuln/355077/cti
Third Party AdvisoryVDB Entry
Source: cverecord
https://vuldb.com/submit/781949
Issue Tracking
Source: cverecord
https://github.com/nasa/cFS/issues/951
Product
Source: cverecord
https://github.com/nasa/cFS/

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

Attack Vector
LOCAL
Complexity
HIGH
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
CWE-502CWE-20

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