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TI-2026-04794 Aliases CVE-2026-5473GHSA-crxq-rm37-648f

NASA cFS Pickle pickle.load deserialization

Priority LOW 10CWE-20Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
High
Attack requirements
None
Impact type
Code execution
Confidentiality · integrity · availability
Low · Low · Low
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-502.

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00231 14th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
nasacFS7.0—No fix listedCNA
  • cFS Vendornasa Affected 7.0 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:nasa:core_flight_system:*:*:*:*:*:*:*:*up to 7.0.0Vulnerablenasa
  • cpe:2.3:a:nasa:core_flight_system:*:*:*:*:*:*:*:* Versions up to 7.0.0 Vulnerable ·nasa

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-5473
  2. 2026-10-03 Alias added: GHSA-crxq-rm37-648f

References

  • TI-2025-18986 The Memory Management Module of NASA cFS (Core Flight System) Aquila has insecure… CVSS 3.1CRITICAL 9.8
  • TI-2025-18987 In NASA cFS (Core Flight System) Aquila, it is possible to put the onboard software in a… CVSS 3.1HIGH 7.5
  • TI-2025-18985 NASA cFS (Core Flight System) Aquila is vulnerable to segmentation fault via sending a… CVSS 3.1HIGH 7.5
  • TI-2025-18984 NASA cFS (Core Flight System) Aquila is vulnerable to path traversal in the OSAL module… CVSS 3.1HIGH 7.5
  • TI-2026-04795 NASA cFS CCSDS Packet Header to_lab_passthru_encode.c CFE_MSG_GetSize heap-based overflow CVSS 4.0MEDIUM 5.3
  • TI-2026-04796 NASA cFS CCSDS Header Size cfe_sb_priv.c CFE_SB_TransmitMsg memory corruption CVSS 4.0MEDIUM 5.1
See all 7 →

Sources