High severityNVD Advisory· Published Sep 18, 2026
CVE-2026-79954
CVE-2026-79954
Description
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.
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Affected products
1Patches
Vulnerability mechanics
References
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