Vulnerability · Published Apr 3, 2026 · Assigned by VulDB
CVE-2026-5473NASA cFS Pickle pickle.load deserialization
Medium 4.5
In plain English
A medium-severity unsafe deserialization in cFS from NASA. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 14% of all known vulnerabilities).
Official 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 products (as reported)
Weakness: CWE-502, CWE-20 · Vector: 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
References
- VDB-355077 | NASA cFS Pickle pickle.load deserialization vdb-entry, technical-description
- VDB-355077 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
- Submit #781949 | NASA cFS 7.0.0 Code Execution third-party-advisory
- https://github.com/nasa/cFS/issues/951 issue-tracking
- https://github.com/nasa/cFS/ product