CVE-2026-40636

Severity: high (CVSS 7.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-05-11 · updated 2026-10-26
Weakness: CWE-798

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.

Affected products

EMC Elastic Cloud Storage all versions prior to 3.1: from 3.8.1.0 before 4.3.0.0 — fixed in 4.3.0.0
Dell ObjectScale: before 4.3.0.0 — fixed in 4.3.0.0

How to fix

Upgrade to a fixed version: EMC Elastic Cloud Storage all versions prior to 3.1 4.3.0.0; Dell ObjectScale 4.3.0.0. Check the vendor advisory for mitigations.

References

https://www.dell.com/support/kbdoc/en-us/000462117/dsa-2026-047-security-update-for-dell-ecs-and-objectscale-multiple-vulnerabilities-1

Get alerted when CVE-2026-40636 or the next vulnerability affects your stack