CVE-2026-79954 — NASA CryptoLib 1.5.0 - TC receive path accepts Security Associations from the wrong GVCID

CVE-2026-79954

NASA CryptoLib 1.5.0 - TC receive path accepts Security Associations from the wrong GVCID PUBLISHED

Description (CNA)

NASA CryptoLib 1.5.0 contains an authentication downgrade vulnerability in the Telecommand (TC) receive path. The receiver selects the Security Association used for SDLS processing solely from the SPI field inside the incoming frame, but it does not verify that the selected SA is authorized for the frame's GVCID.

Affected (CNA)

Vendor / product	Versions
NASA / CryptoLib	affected 1.5.0

CWE

CWE-306

References

https://fluidattacks.com/advisories/linkin
https://github.com/nasa/CryptoLib

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.