CVE-2026-56686: Dell ObjectScale, versions prior to 4.3.0.1, contain(s) an Improper Neutralization of Special Elements used in

Q: How do I fix CVE-2026-56686?

objectscale: upgrade to 4.3.0.1. Exact commands for each OS are on this page.

Q: Is CVE-2026-56686 being exploited?

CVE-2026-56686 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2026-56686 affect?

CVE-2026-56686 affects objectscale. Severity is high (CVSS 7.8). Dell ObjectScale, versions prior to 4.3.0.1, contain(s) an Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') vulnerability. A low privileged attacker with local access could potentially exploit this

This month

HIGH 7.8UPGRADE

CVE-2026-56686 is a high-severity flaw (CVSS 7.8) affecting objectscale. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Dell ObjectScale, versions prior to 4.3.0.1, contain(s) an Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') vulnerability. A low privileged attacker with local access could potentially exploit this vulnerability, leading to Elevation of privileges.

Why this priority

High severity

A fixed release or distro patch exists.

Risk facts

CVSS score	7.8 (High)
Attack vector	Local
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.6% (top 49%)
CISA exploited list	No
Weakness	CWE-78
Published	2026-08-17
Last modified	2026-08-19

Publisher (CNA): Dell · Vendor: dell

Last updated 2026-08-19 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-08-17 14:20 UTCPublished CVE record published
2026-08-19 01:11 UTCUpdated Record last modified

dell objectscale UPGRADE

Affected: < 4.3.0.1

Fixed in: 4.3.0.1

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy objectscale || rpm -q objectscale || objectscale --version

2. UPGRADE to 4.3.0.1 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade objectscale

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade objectscale

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-56686?

objectscale: upgrade to 4.3.0.1. Exact commands for each OS are on this page.

Is CVE-2026-56686 being exploited?

CVE-2026-56686 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-56686 affect?

CVE-2026-56686 affects objectscale. Severity is high (CVSS 7.8). Dell ObjectScale, versions prior to 4.3.0.1, contain(s) an Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') vulnerability. A low privileged attacker with local access could potentially exploit this

How urgent is CVE-2026-56686?

Priority 40/100. High severity

Software pages

Dell vulnerabilities

Related CVEs

CVE-2026-40636 CRITICAL 9.8 UPGRADE UPGRADE 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 ha
CVE-2026-35157 MEDIUM 5.8 UPGRADE UPGRADE Dell ECS versions 3.8.1.0 through 3.8.1.7 and Dell ObjectScale versions prior to 4.3.0.0, contains an improper
CVE-2026-26946 MEDIUM 6.7 UPGRADE UPGRADE Dell ECS versions 3.8.1.0 through 3.8.1.7 and Dell ObjectScale versions prior to 4.3.0.0, contains an improper
CVE-2025-43936 HIGH 8.1 UPGRADE Dell ObjectScale, versions prior to ObjectScale 4.4.0.0, contains an Improper Authentication vulnerability
CVE-2026-70416 CRITICAL 10.0 UPGRADE Dell ObjectScale, versions prior to 4.4.0.0, contains a Deserialization of Untrusted Data vulnerability

References

← Back to latest CVEs