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CVE-2026-81476 Dell CVE debrief

Dell OpenManage Server Administrator versions prior to 11.1.0.3 contain an OS Command Injection vulnerability (CVE-2026-81476). An unauthenticated attacker with remote access could exploit this vulnerability, potentially leading to remote execution. Dell provides an update addressing this issue. System administrators and security teams should assess exposure and apply the security update to prevent potential system compromise. This vulnerability allows unauthenticated remote attackers to execute commands, emphasizing the need for immediate attention and remediation.

Vendor
Dell
Product
OpenManage Server Administrator Managed Node (Patch) for Windows
CVSS
HIGH 8.1
CISA KEV
Not listed in stored evidence
Original CVE published
2026-09-17
Original CVE updated
2026-09-18
Advisory published
2026-09-17
Advisory updated
2026-09-18

Who should care

System administrators and security teams responsible for Dell OpenManage Server Administrator installations should assess exposure and apply the security update. This includes teams managing Dell OpenManage Server Administrator, IT security personnel, and operators of affected systems. They should review Dell's security update, verify affected versions, and implement necessary mitigations to prevent potential system compromise.

Why it matters

CVE-2026-81476 is a high-severity vulnerability in Dell OpenManage Server Administrator that allows unauthenticated remote attackers to execute commands, potentially leading to system compromise. System administrators and security teams should assess exposure, apply the security update, and monitor for suspicious activity.

  • Remote command execution could lead to system compromise.
  • Unauthenticated access allows attackers to execute commands without credentials.
  • Successful exploitation could result in elevated privileges.
  • Verify affected versions and apply Dell's security update.

Technical summary

CVE-2026-81476 is an OS Command Injection vulnerability in Dell OpenManage Server Administrator versions prior to 11.1.0.3. An unauthenticated attacker with remote access could exploit this vulnerability, leading to remote execution. The vulnerability exists due to improper neutralization of special elements used in an OS command. Dell has released an update to address this issue, emphasizing the importance of applying the security update to prevent exploitation. Affected system administrators and security teams should assess exposure and apply the update promptly.

Defensive priority

High

Recommended defensive actions

  • Review and apply Dell's security update for OpenManage Server Administrator.
  • Restrict access to OpenManage Server Administrator to trusted users and networks.
  • Monitor OpenManage Server Administrator logs for suspicious activity.
  • Verify OpenManage Server Administrator version and update if necessary.
  • Perform vulnerability scanning to identify exposed systems.
  • Implement compensating controls for exposed systems while remediation is scheduled.
  • technicalSummary

Evidence notes

The CVE record and NVD entry provide details on the vulnerability. Dell offers a security update for affected versions. Evidence is limited to public CVE and NVD information. Defenders should verify affected versions, review Dell's security update, and assess exposure. Additional verification tasks may be necessary as more information becomes available.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-81476 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-81476

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-81476 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-81476

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

  • Source reference

    Unverified legacy reference

    URL: https://www.dell.com/support/kbdoc/en-us/000506586/dsa-2026-403-security-update-for-dell-openmanage-server-administrator-omsa-network-access-vulnerabilitiesv

    [email protected]

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.