# CVE-2026-81478

Hard-coded crypto key in Dell OMSA allows unauthenticated administrative access

- Page: https://www.vulneraibility.com/cve/CVE-2026-81478
- CVSS: 8.1
- Known exploited: not in CISA KEV as of our last sync
- EPSS: 0.29% (percentile 21.7)
- CISA SSVC: exploitation none, automatable no, technical impact total (assessed 2026-09-17)
- Weakness: CWE-321
- Published: 2026-09-17

## 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

A version outside these ranges is not a statement that it is unaffected.

## Impact

Unauthenticated remote attacker can use a hard-coded cryptographic key to bypass authentication and gain unauthorized admin-level access to OMSA.

## Action

Immediate action required

## Recommendation

Install OMSA 11.1.0.3+ and restrict/block management network access until patched.

## References

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

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Summary, impact and action are written by the vulneraibility.com AI analysis pipeline from the CVE record, NVD, CISA and FIRST data; verify against the references.