Read the docs
TI-2026-81783 Aliases CVE-2026-86383GHSA-458w-p5fg-2hc4

Path traversal in Dell PowerProtect Data Domain exposes information

Priority LOW 30CWE-22Published · Updated

Key facts

Attack vector
Network
Privileges required
High
User interaction
None
Attack complexity
Low
Impact type
Information disclosure
Confidentiality · integrity · availability
High · None · None
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-22 and the CVSS impact.

Summary

Dell PowerProtect Data Domain Feature Release versions 7.7.1.0 through 8.8, LTS2025 release versions 8.3.1.0 through 8.3.1.40, and LTS2026 release versions 8.6.1.0 through 8.6.1.20 are affected. The flaw is a path traversal weakness (CWE-22) in which a pathname escapes its restricted directory. A high-privileged attacker with remote access can exploit it to disclose information.

Written with Claude Haiku 5.5 from the sources below · 2026-11-05

Description from the CNA

Dell PowerProtect Data Domain, Feature Release versions 7.7.1.0 through 8.8, 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 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability. A high privileged attacker with remote access could potentially exploit this vulnerability, leading to Information disclosure.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.0046 40th percentileScored 2026-11-07
Fix Fixed PowerProtect Data Domain (Dell): 8.9.0.0 or later, 8.3.1.50 or later, 8.6.1.30 or later

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 Domainbefore 8.9.0.0 or later; before 8.3.1.50 or later; before 8.6.1.30 or later8.9.0.0 or later, 8.3.1.50 or later, 8.6.1.30 or laterPatch availableCNA
  • PowerProtect Data Domain VendorDell Affected before 8.9.0.0 or later; before 8.3.1.50 or later; before 8.6.1.30 or later Fixed in 8.9.0.0 or later, 8.3.1.50 or later, 8.6.1.30 or later Patch available CNA

CPE names Threatist (inferred) · 1

Inferred from how NVD named this product before; not given by a source.

CPEVersionsRoleVendor
cpe:2.3:o:dell:data_domain_operating_system:*:*:*:*:*:*:*:*——Dell
  • cpe:2.3:o:dell:data_domain_operating_system:*:*:*:*:*:*:*:* Versions — — ·Dell

Remediation

Dell PowerProtect Data Domain fixed versions are 8.9.0.0 or later, 8.3.1.50 or later, and 8.6.1.30 or later.

Written with Claude Haiku 5.5 from the sources below · 2026-11-05

  • Fix · CNA PowerProtect Data Domain (Dell) Fixed in 8.9.0.0 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 — dell.com/support/kbdoc/en-us/000515178/dsa-2026-416-securit…

    33 records Highest priority Priority MEDIUM 8 MEDIUM, 25 LOW

    Other records, highest priority first

    • TI-2026-81779 Improper authentication in Dell PowerProtect Data DomainPriority MEDIUM 51
    • TI-2026-81928 Stack-based buffer overflow in Dell PowerProtect Data DomainPriority MEDIUM 50
    • TI-2026-81784 Hard-coded key in Dell PowerProtect Data Domain exposes credentialsPriority MEDIUM 49
    Show all 33 records → Advisory →

Timeline

  1. 2026-10-28 Threatist record created from CVE-2026-86383
  2. 2026-10-28 Alias added: GHSA-458w-p5fg-2hc4
  3. 2026-10-28 Priority changed: MEDIUM → LOW
  4. 2026-11-03 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