---
title: "CVE-2026-66269: Dell OpenManage Server Administrator - Protection Mechanism Bypass"
description: "Dell OpenManage Server Administrator < 11.1.0.3 contains an unsafe reflection vulnerability caused by use of externally-controlled input to select classes or code, letting unauthenticated remote attackers bypass protection mechanisms, exploit requires remote access."
url: https://panop.io/threat-heartbeat/CVE-2026-66269/
---

# CVE-2026-66269 Dell OpenManage Server Administrator - Protection Mechanism Bypass

Dell OpenManage Server Administrator < 11.1.0.3 contains an unsafe reflection vulnerability caused by use of externally-controlled input to select classes or code, letting unauthenticated remote attackers bypass protection mechanisms, exploit requires remote access.

CVSS base score 7.3 /10

High

CISA KEV

Not listed

Public exploit

None known

Authentication

Not required

EPSS

0.20% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-66269)

## Details

Type

Protection Mechanism Bypass

Impact

Privilege Escalation

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

Published

17 September 2026

Updated

15 October 2026

Weakness

[CWE-470](https://cwe.mitre.org/data/definitions/470.html)

## Vendor fix

Update to version 11.1.0.3 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-66269](https://nvd.nist.gov/vuln/detail/CVE-2026-66269)
- [https://www.dell.com/support/kbdoc/en-us/000506586/dsa-2026-403-security-update-for-dell-openmanage-server-administrator-omsa-network-access-vulnerabilitiesv](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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## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

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