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major vulnerability· requires attention

Unauthenticated remote command injection in widely used Dell server management (OMSA), enabling full server compromise across enterprises.

Infrastructure

CVE-2026-81476

8.1
High
EPSS n/aPatch availableSep 19, 2026

Unauthenticated OS command injection in Dell OpenManage (OMSA) allows remote code execution.

common questions

Is CVE-2026-81476 being exploited?

Not confirmed. CVE-2026-81476 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked.

How severe is CVE-2026-81476?

CVE-2026-81476 is rated High with a CVSS score of 8.1. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.

Is there a patch for CVE-2026-81476?

Yes. A fix has been recorded for CVE-2026-81476. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.

What does CVE-2026-81476 affect?

CVE-2026-81476 affects Dell OpenManage Server Administrator (OMSA) versions prior to 11.1.0.3, Servers with OMSA installed. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.

What should I do about CVE-2026-81476?

Upgrade OMSA to 11.1.0.3+ and restrict OMSA network access until patched.

Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.

executive summary
technical analysis
affected
Dell OpenManage Server Administrator (OMSA) versions prior to 11.1.0.3Servers with OMSA installed
impact

Unauthenticated remote OS command injection enabling arbitrary command execution on affected servers, potential full compromise and lateral movement.

action required

Immediate action required

affected versions
Dell OpenManage Server Administrator Managed Node for RHEL 8.10
  • affected< 11.1.0.3
Dell OpenManage Server Administrator Managed Node for RHEL 9.4
  • affected< 11.1.0.3
Dell OpenManage Server Administrator Managed Node for SLES 15
  • affected< 11.1.0.3
Dell OpenManage Server Administrator Managed Node for Ubuntu 22.04
  • affected< 11.1.0.3
Dell OpenManage Server Administrator Managed Node (Patch) for Windows
  • affected< 11.1.0.3

As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.

how to fix
Remediation steps are tailored for users whose stack is affected. Add this technology to your stack to see the fix checklist.
references
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