CVE-2026-5473: low-severity vulnerability in NASA cFS
NASA cFS Pickle pickle.load deserialization
Published · Updated
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
8Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 2epss 0.2%
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.
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
Affected products
NASA · cFSRelated CVEs — NASA cFS
In the same product, most dangerous first.
CVE-2026-5474MEDIUMNASA cFS CCSDS Packet Header to_lab_passthru_encode.c CFE_MSG_GetSize heap-based overflowEPSS 0.4%CVE-2026-82480MEDIUMNASA cFS cFE Software Bus cfe_sb_util.c CFE_SB_GetUserDataLength integer underflowEPSS 0.4%CVE-2026-82479MEDIUMNASA cFS SBN TCP sbn_tcp_if.c OS_read buffer overflowEPSS 0.4%CVE-2026-105164MEDIUMNASA cFS cfe_fs_api.c CFE_FS_ParseInputFileNameEx out-of-boundsEPSS 0.3%CVE-2026-5475MEDIUMNASA cFS CCSDS Header Size cfe_sb_priv.c CFE_SB_TransmitMsg memory corruptionEPSS 0.2%CVE-2026-5476LOWNASA cFS cfe_tbl_passthru_codec.c CFE_TBL_ValidateCodecLoadSize integer overflowEPSS 0.2%