CVE-2026-81453 Dell CVE debrief

Who should care

System administrators and security teams responsible for Dell OpenManage Server Administrator installations should assess exposure and apply the security update. They should also verify remote access and filesystem exposure, and monitor for potential filesystem access attempts. This includes reviewing and applying Dell's security update, verifying remote access controls and filesystem permissions, and monitoring for potential filesystem access attempts.

Why it matters

CVE-2026-81453 is a medium-severity Path Traversal vulnerability in Dell OpenManage Server Administrator. A low privileged attacker with remote access could potentially exploit this vulnerability, leading to filesystem access. System administrators and security teams should review and apply Dell's security update, verify remote access and filesystem exposure, and monitor for potential filesystem access attempts.

• Verify remote access controls and filesystem permissions
• Monitor for potential filesystem access attempts
• Assess exposure of Dell OpenManage Server Administrator installations

Technical summary

CVE-2026-81453 is a Path Traversal vulnerability in Dell OpenManage Server Administrator, versions prior to 11.1.0.3. A low privileged attacker with remote access could potentially exploit this vulnerability, leading to filesystem access. This vulnerability has a CVSS score of 6.5 and a severity of MEDIUM. Dell has provided a security update to address this issue. System administrators and security teams should review and apply the security update, verify remote access and filesystem exposure, and monitor for potential filesystem access attempts.

Defensive priority

Medium priority for remote access and filesystem checks

Recommended defensive actions

• Review and apply Dell's security update for OpenManage Server Administrator
• Verify remote access and filesystem exposure for affected systems
• Monitor for potential filesystem access attempts
• Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up
• Review compensating controls for exposed systems while remediation is scheduled and verified
• Check relevant monitoring, detection, and logs for exposed assets that need extra review
• Track exceptions, retest remediated assets, and close the item only after evidence is documented

Evidence notes

The CVE record and NVD entry provide details on the vulnerability. Dell has provided a security update for Dell OpenManage Server Administrator. The CVE record was published on 2026-09-17T14:17:31.367Z and has not been modified since then. The NVD entry is currently Undergoing Analysis. Evidence is limited to public CVE and NVD information.

Sources and references

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.