CVE-2026-5473 json
NASA cFS Pickle pickle.load deserialization
published 2026-04-03 7 mo ago modified 2026-07-24 3 mo ago also EUVD-2026-18805
- cvss
- 4.5
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.2%
- EPSS 0.2% chance of exploitation in 30 days, percentile 14%
- public exploits
- 0
- none known
Summary
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.
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 7 mo ago
Exploit prediction
0.23% chance of exploitation in the next 30 days, higher than 14% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 4.0 | 2.0 | 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 |
| CNA | 3.1 | 4.5 | CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R |
| CNA | 3.0 | 4.5 | CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R |
| CNA | 2.0 | 3.5 | AV:L/AC:H/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR |
| CNA | 4.0 | 1.1 | 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 |
| CNA | 3.1 | 4.5 | CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L |
| NVD | 3.1 | 7.0 | CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H |
| CNA | 2.0 | 3.5 | AV:L/AC:H/Au:S/C:P/I:P/A:P |
Affected products
- NASA cFS
Classification
References
-
vuldb.com
/vuln/355077
vdb-entry, technical-description, third-party-advisory
-
vuldb.com
/vuln/355077/cti
signature, permissions-required, vdb-entry
-
vuldb.com
/submit/781949
third-party-advisory, vdb-entry
-
github.com
/nasa/cFS/issues/951
issue-tracking
-
github.com
/nasa/cFS/
product
Sources
- CVE List CVE-2026-5473
- NVD CVE-2026-5473
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