PatchSiren cyber security CVE debrief
CVE-2026-81438 Dell CVE debrief
Dell OpenManage Server Administrator vulnerability CVE-2026-81438 allows unauthenticated attackers to disclose information due to a broken cryptographic algorithm. The vulnerability affects versions prior to 11.1.0.3 and Dell has released a security update to address this issue. System administrators and security teams should verify and apply the security update to prevent potential information disclosure. This vulnerability has a low severity and is related to the use of a risky cryptographic algorithm.
- Vendor
- Dell
- Product
- Dell OpenManage Server Administrator Managed Node (Patch) for Windows
- CVSS
- LOW 3.7
- 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 verify and apply the security update. This includes teams managing Dell OpenManage Server Administrator, IT security teams, and system administrators responsible for maintaining the affected systems. These teams should review system configurations, apply security updates, and monitor for potential information disclosure attempts.
Why it matters
CVE-2026-81438 is a low-severity vulnerability in Dell OpenManage Server Administrator that allows unauthenticated attackers to disclose information. System administrators and security teams should verify and apply Dell's security update.
- Verify Dell OpenManage Server Administrator version and apply security updates
- Review system configurations and network access controls to prevent exploitation
- Monitor for potential information disclosure attempts
Technical summary
CVE-2026-81438 is a vulnerability in Dell OpenManage Server Administrator, versions prior to 11.1.0.3, due to the use of a broken or risky cryptographic algorithm. An unauthenticated attacker with remote access could potentially exploit this vulnerability, leading to information disclosure. The vulnerability has a CVSS score of 3.7 and a low severity. Dell has released a security update to address this issue. System administrators and security teams should verify and apply the security update to prevent potential information disclosure.
Defensive priority
Verify and apply Dell's security update for OpenManage Server Administrator.
Recommended defensive actions
- Verify OpenManage Server Administrator version and apply Dell's security update if necessary
- Review system configurations and network access controls
- Monitor for potential information disclosure attempts
- Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up
- Review the supplied official advisory or CVE record to validate affected scope, severity, and vendor guidance
- Plan vendor-supported updates or mitigations through normal change control where exposure is confirmed
- Check relevant monitoring, detection, and logs for exposed assets that need extra review
Evidence notes
The CVE record and NVD entry provide details on the vulnerability. Dell has released a security update for OpenManage Server Administrator. The vulnerability is due to the use of a broken or risky cryptographic algorithm in Dell OpenManage Server Administrator, versions prior to 11.1.0.3. There is no evidence of public exploitation, but defenders should verify and apply the security update.
Sources and references
Verified primary and authoritative sources
-
CVE-2026-81438 CVE Program record
Publisher, destination, and source semantics verified
URL: https://www.cve.org/CVERecord?id=CVE-2026-81438
CVE Program - Official CVE Program record with source-provided CVE metadata.
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CVE-2026-81438 NVD vulnerability detail
Publisher, destination, and source semantics verified
URL: https://nvd.nist.gov/vuln/detail/CVE-2026-81438
NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.
Supplemental references
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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
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.