Deserialization in Nasa Cfs
CVE-2026-5473
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.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.5 (Medium). Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L.
EPSS exploit prediction
EPSS: 0.004 (26.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 27th percentile — 26.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.004 · change: +0.001
Affected products
- Nasa Cfs — versions 7.0
- Nasa Core Flight System
Weakness classification (CWE)
References
- vuldb.com/vuln/355077 (technical-description, VDB Entry, Third Party Advisory, vdb-entry)
- vuldb.com/vuln/355077/cti (signature, Permissions Required, permissions-required, VDB Entry)
- vuldb.com/submit/781949 (VDB Entry, Third Party Advisory, third-party-advisory)
- github.com/nasa/cFS/issues/951 (issue-tracking, Issue Tracking)
- github.com/nasa/cFS/ (Product, product)
Frequently asked questions
- What is CVE-2026-5473?
- CVE-2026-5473 is a medium-severity vulnerability in Nasa Cfs, classified under Improper Input Validation. CVSS score: 4.5/10. Published 2026-04-03.
- How severe is CVE-2026-5473?
- Medium severity. CVSS v3 base score is 4.5 out of 10.