CVE-2026-75371 Denial of service in n/a

High 7.5 Published Updated

Physically proximate attackers with UART access can cause a Denial of Service in SpaceDot AcubeSAT OBC software via crafted input.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-75371?

CVE-2026-75371 is a high-severity denial of service vulnerability in n/a, published on 24 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

An integer handling flaw in the cobs_decode function of SpaceDot AcubeSAT OBC software commit eaf90ec allows physically-proximate attackers with UART access to cause a Denial of Service (DoS) via a crafted input.

Weakness: CWE-400

Which versions are affected by CVE-2026-75371?

How do I fix CVE-2026-75371?

No fix has been published for CVE-2026-75371 yet. Limit exposure of the affected software until one is available.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2026-75371 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-75371 exists.

Sources

Also known as GHSA-fmcr-j4vv-2whw.

Is CVE-2026-75371 in your software?

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