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CVE-2026-5473— NASA cFS Pickle pickle.load deserialization

CVSS 4.5 · Medium EPSS 0.02% · P6
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I. Basic Information for CVE-2026-5473

Vulnerability Information
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Vulnerability Title
NASA cFS Pickle pickle.load deserialization
Source: NVD (National Vulnerability Database)
Vulnerability 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.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L
Source: NVD (National Vulnerability Database)
Vulnerability Type
可信数据的反序列化
Source: NVD (National Vulnerability Database)
Vulnerability Title
Core Flight System（cFS） 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Core Flight System（cFS）是NASA开源的一种通用的飞行软件架构框架，用于旗舰航天器、载人航天器、立方体卫星和 Raspberry Pi。 Core Flight System（cFS） 7.0.0及之前版本存在代码问题漏洞，该漏洞源于Pickle Module组件pickle.load函数存在缺陷，可能导致反序列化攻击。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

VendorProductAffected VersionsCPESubscribe
NASAcFS 7.0 cpe:2.3:a:nasa:cfs:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-5473

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III. Intelligence Information for CVE-2026-5473

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Same Patch Batch · NASA · 2026-04-03 · 4 CVEs total

CVE-2026-54746.3 MEDIUMNASA cFS CCSDS Packet Header to_lab_passthru_encode.c CFE_MSG_GetSize heap-based overflow
CVE-2026-54755.5 MEDIUMNASA cFS CCSDS Header Size cfe_sb_priv.c CFE_SB_TransmitMsg memory corruption
CVE-2026-54764.6 MEDIUMNASA cFS cfe_tbl_passthru_codec.c CFE_TBL_ValidateCodecLoadSize integer overflow

IV. Related Vulnerabilities

Same product: cFS
Same vendor: NASA
Same weakness: CWE-502

V. Comments for CVE-2026-5473

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