Read the docs
TI-2026-81790 Aliases CVE-2026-86391GHSA-f4q3-g66h-93cj

Dell PowerProtect Data Domain Management Center authentication bypass

Priority LOW 29CWE-290Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
None · Low · Low
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-290.

Summary

Dell PowerProtect Data Domain Management Center 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 and LTS2026 8.6.1.0 through 8.6.1.20 are affected. The flaw is an authentication bypass by spoofing (CWE-290) that lets a low privileged attacker with remote access potentially cause a denial of service.

Written with Claude Haiku 5.5 from the sources below · 2026-10-29

Description from the CNA

Dell PowerProtect Data Domain Management Center, Feature Release versions 7.7.1.0 through 8.8, LTS2024 release versions 7.13.1.0 through 7.13.1.80, LTS2025 release versions 8.3.1.0 through 8.3.1.40, LTS2026 release versions 8.6.1.0 through 8.6.1.20, contain an Authentication Bypass by Spoofing vulnerability. A low privileged attacker with remote access could potentially exploit this vulnerability, leading to Denial of service.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00377 31st percentileScored 2026-11-07
Fix Fixed PowerProtect Data Domain Management Center (Dell): 8.9.0.0 or later, 7.13.1.90 or later, 8.3.1.50 or later +1

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
DellPowerProtect Data Domain Management Centerbefore 8.9.0.0 or later; before 7.13.1.90 or later; before 8.3.1.50 or later; before 8.6.1.30 or later8.9.0.0 or later, 7.13.1.90 or later, 8.3.1.50 or later, 8.6.1.30 or laterPatch availableCNA
  • PowerProtect Data Domain Management Center VendorDell Affected before 8.9.0.0 or later; before 7.13.1.90 or later; before 8.3.1.50 or later; before 8.6.1.30 or later Fixed in 8.9.0.0 or later, 7.13.1.90 or later, 8.3.1.50 or later, 8.6.1.30 or later Patch available CNA

Remediation

Fixed versions are 8.9.0.0 or later for Feature Release, 7.13.1.90 or later for LTS2024, 8.3.1.50 or later for LTS2025 and 8.6.1.30 or later for LTS2026.

Written with Claude Haiku 5.5 from the sources below · 2026-10-29

  • Fix · CNA PowerProtect Data Domain Management Center (Dell) Fixed in 8.9.0.0 or later, 7.13.1.90 or later, 8.3.1.50 or later, 8.6.1.30 or later

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Advisory ·

    Dell PowerProtect Data Domain Management Center — dell.com/support/kbdoc/en-us/000515178/dsa-2026-416-securit…

    11 records Highest priority Priority MEDIUM 3 MEDIUM, 8 LOW

    Other records, highest priority first

    • TI-2026-81930 Missing authorization in Dell Data Domain Management CenterPriority MEDIUM 43
    • TI-2026-81929 SQL injection in Dell PowerProtect Data Domain Management CenterPriority MEDIUM 43
    • TI-2026-81768 Dell Data Domain Management Center authentication bypass by spoofingPriority MEDIUM 41
    Show all 11 records → Advisory →

Timeline

  1. 2026-10-28 Threatist record created from CVE-2026-86391
  2. 2026-10-28 Alias added: GHSA-f4q3-g66h-93cj
  3. 2026-10-28 Priority changed: MEDIUM → LOW
  4. 2026-10-29 CISA SSVC decision points changed

References

Advisory 1

  • TI-2026-18287 Hard-coded credentials in Dell RecoverPoint for Virtual Machines KEVCVSS 3.1CRITICAL 10.0
  • TI-2021-04636 Dell dbutil_2_3.sys driver contains an insufficient access control vulnerability which… KEVCVSS 3.1HIGH 8.8
  • TI-2025-24909 OS command injection in Dell Unity CVSS 3.1CRITICAL 9.8
  • TI-2018-01121 Dell EMC iDRAC7/iDRAC8, versions prior to 2.52.52.52, contain CGI injection vulnerability… CVSS 3.0CRITICAL 9.8
  • TI-2020-09565 The Treck TCP/IP stack before 6.0.1.66 has an IPv6 Out-of-bounds Read. KEVCVSS 3.1MEDIUM 5.4
  • TI-2022-08298 Improper authentication in Dell Integrated Dell Remote Access Controller 9 CVSS 3.1CRITICAL 9.8
See all 2081 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences