CVE-2026-79954

LOWCVSS 8.7 · HIGH

Signal is active with 1 mentions in latest observed window

Immediate actions

Track advisory updates for patch or workaround availability

Recommended action window: Monitor and triage in normal cycle

NVD 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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0.0/ 10 priority

Sources & remediation

Other references

Weakness type (CWE)

CWE-306

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

NONE

Momentum

NONE

Threat summary

1 mentions across 1 observed day

What's happening

1 total mentions across 1 day

Deep dive

Activity timeline1 mentions / 1d

Referenced assets2 URLs

By indicator

Full discourse1 post

Fluid Attacks@fluidattacks1d
A zero-day vulnerability in NASA CryptoLib was discovered by an external pentester, then reviewed and documented by Fluid Attacks: ID CVE-2026-79954. You can find the full details here: 🔗 https://fluidattacks.com/advisories/linkin. We have disclosed 282 #CVE to this date: 🔗https://fluidattacks.com/advisories https://t.co/HkiSOgqvqw
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