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CriticalVulnerabilityCVE-2026-90717updated 28 Oct 2026, 12:40 UTC

Dell PowerProtect Data Domain Management Center: login bypass by spoofing

A flaw lets someone with a basic low-level account reach features they should not control, by pretending to be a trusted party. Because this system manages other backup systems, the damage could spread beyond it.

Official, 2 sources
SeverityCriticalCVSS 9.1 of 10
Being exploited?UnclearNo reports either way yet
Fix available?UnclearNo fixed version published in the sources yet
How sure is this?Official, 2 sourcesBacked by an official source

How the attack works simplified

  1. 1Low-privilege attackerHas remote access with a basic account
  2. 2Spoofed identityImpersonates a trusted party to bypass auth
  3. 3Management centerGains elevated privileges on the system
  4. 4Managed systemsOther Data Domain systems may be impacted
  5. ResultAttacker gains elevated control of backup management

What happened

Dell PowerProtect Data Domain Management Center has an authentication bypass by spoofing that allows a low-privileged remote attacker to escalate privileges.

Why it is dangerous: An attacker who gains higher privileges could affect the management center and potentially other managed Data Domain systems, putting backup data and recovery at risk.

Are you affected?

You are affected if you run Dell PowerProtect Data Domain Management Center in the affected Feature Release, LTS2024, LTS2025, or LTS2026 version ranges listed below.

Feature Release 7.7.1.0 through 8.8; LTS2024 7.13.1.0 through 7.13.1.80; LTS2025 8.3.1.0 through 8.3.1.40; LTS2026 8.6.1.0 through 8.6.1.20

What to do

  1. Check your Data Domain Management Center version against the affected ranges
  2. Apply the official Dell security update for your release line as soon as it is available
  3. Restrict remote access to the management center to trusted networks until patched

Timeline

  1. 28 Oct 2026, 09:17 UTC
    Publicly disclosed
  2. 28 Oct 2026, 09:17 UTC
    Reported by NVD · NVD
  3. 28 Oct 2026, 09:18 UTC
    Picked up by Zero Radar
  4. 28 Oct 2026, 12:40 UTC
    GitHub Advisory reported on it · GitHub Advisory

Sources 2 reports, oldest first

Official vendor, government CERT or advisory database

Technical details

ID
CVE-2026-90717 · GHSA-mh75-xxr7-gx54
CVSS
9.1 / 10
EPSS
0.2% chance of exploitation within 30 days
Disclosed
28 Oct 2026, 09:17 UTC
On Zero Radar
28 Oct 2026, 09:18 UTC (2 min after disclosure)
Last change
28 Oct 2026, 12:40 UTC

The plain-language parts and the attack diagram were written by an AI model (anthropic/claude-haiku-5.5) from the sources above. Facts like versions, exploitation and dates come from the sources themselves. How Zero Radar works

Dell PowerProtect Data Domain Management Center: login bypass by spoofing · Zero Radar