CVE-2026-40636 Hardcoded credentials in ECS

Critical 9.8 Published Updated

An unauthenticated local attacker can exploit hard-coded credentials to gain filesystem access on Dell ECS and ObjectScale systems.

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-2026-40636?

CVE-2026-40636 is a critical vulnerability in Dell ECS, published on 11 May 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Dell ECS versions 3.8.1.0 through 3.8.1.7 and Dell ObjectScale versions prior to 4.3.0.0, contains a use of hard-coded credentials vulnerability. An unauthenticated attacker with local access could potentially exploit this vulnerability, leading to filesystem access for attacker.

Weakness: CWE-798

Which versions are affected by CVE-2026-40636?

It affects 2 products.

Products include Dell Elastic Cloud Storage, Dell Objectscale.

How do I fix CVE-2026-40636?

No fix has been published for CVE-2026-40636 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-40636 being exploited?

There is no known exploitation of CVE-2026-40636 in the wild and no public exploit code.

Sources

Also known as GHSA-mw27-v6r3-mmpp.

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