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CVE-2026-40636

Dell Objectscale hard-coded credentials

9.8 CRITICALEPSS 0.30%
  1. Published11 May 2026

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.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

Dell Elastic Cloud Storage≥ 3.8.1.0 < 4.3.0.0
Dell Objectscale< 4.3.0.0

Remediation

Fixed in
Dell Elastic Cloud Storage≥ 4.3.0.0
Dell Objectscale≥ 4.3.0.0

References

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Frequently asked

Is CVE-2026-40636 being actively exploited?

CVE-2026-40636 is not in the CISA KEV catalog. Its EPSS exploit probability is 0.30%.

How severe is CVE-2026-40636?

CVE-2026-40636 has a CVSS 3.1 base score of 9.8, rated critical. EPSS estimates a 0.30% probability of exploitation.

Which products are affected by CVE-2026-40636?

Affected products include Dell Elastic Cloud Storage, Dell Objectscale.

How do I fix CVE-2026-40636?

Upgrade affected software to a fixed version, for example Dell Elastic Cloud Storage 4.3.0.0, Dell Objectscale 4.3.0.0 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2026-40636 against the real software inventory on every managed device, as each hourly inventory arrives. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.