CVE-2026-53478

HIGHPre-NVD 7.27.2
EchelonGraph scoreHIGH confidence

Score 7.2 from GitHub Security Advisory (severity: HIGH) published 2026-07-03. a secondary CVSS source baseline 7.2; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
7.2
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 1%CVSS: 7.2Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

Dell PowerProtect Data Domain, versions 7.7.1.0 through 8.7, LTS2026 release version 8.6.1.0 through 8.6.1.10, LTS2025 release version 8.3.1.0 through 8.3.1.30, LTS2024 release versions 7.13.1.0 through 7.13.1.70 contain an improper neutralization of special elements used in an OS command ('OS command Injection') vulnerability. A high privileged attacker with remote access could potentially exploit this vulnerability, leading to command execution.

CVSS v3
7.2
EG Score
7.2(high)
EPSS
64.9%
KEV
Not listed

Published

July 3, 2026

Last Modified

July 7, 2026

Advisory Details (1)

Auto-updated Jul 7, 2026
No patch confirmed yet.
generic

DSA-2026-278: Security Update for Dell PowerProtect Data Domain Multiple Vulnerabilities | Dell US

https://www.dell.com/support/kbdoc/en-us/000481268/dsa-2026-278-security-update-for-dell-powerprotect-data-domain-multiple-vulnerabilities

Vendor Advisories for CVE-2026-53478(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 22× in last 7d / 22× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-07-07 06:14 UTCEG score recompute
  2. 2026-07-07 06:14 UTCGHSA enrichment
  3. 2026-07-06 18:00 UTCEG score recompute
  4. 2026-07-06 18:00 UTCGHSA enrichment
  5. 2026-07-06 16:27 UTCEPSS rescore
  6. 2026-07-06 16:27 UTCEPSS rescore
  7. 2026-07-06 05:44 UTCEG score recompute
  8. 2026-07-06 05:44 UTCGHSA enrichment
  9. 2026-07-06 02:23 UTCEPSS rescore
  10. 2026-07-06 02:23 UTCEPSS rescore
  11. 2026-07-05 17:28 UTCEG score recompute
  12. 2026-07-05 17:28 UTCGHSA enrichment
  13. 2026-07-05 05:13 UTCEG score recompute
  14. 2026-07-05 05:13 UTCGHSA enrichment
  15. 2026-07-05 02:31 UTCEPSS rescore
  16. 2026-07-05 02:30 UTCEPSS rescore
  17. 2026-07-04 16:56 UTCEG score recompute
  18. 2026-07-04 16:56 UTCGHSA enrichment
  19. 2026-07-04 04:41 UTCEG score recompute
  20. 2026-07-04 04:41 UTCGHSA enrichment
  21. 2026-07-03 16:26 UTCEG score recompute
  22. 2026-07-03 16:26 UTCGHSA enrichment

Frequently asked(5)

What is CVE-2026-53478?
CVE-2026-53478 is a high vulnerability published on July 3, 2026. Dell PowerProtect Data Domain, versions 7.7.1.0 through 8.7, LTS2026 release version 8.6.1.0 through 8.6.1.10, LTS2025 release version 8.3.1.0 through 8.3.1.30, LTS2024 release versions 7.13.1.0 through 7.13.1.70 contain an improper neutralization of special elements used in an OS command ('OS…
When was CVE-2026-53478 disclosed?
CVE-2026-53478 was first published in the National Vulnerability Database on July 3, 2026, with the most recent update on July 7, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-53478 actively exploited?
CVE-2026-53478 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 64.9% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-53478?
CVE-2026-53478 has a CVSS v3 base score of 7.2 (NVD).
How do I remediate CVE-2026-53478?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-53478, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

Explore the affected products and dependency analysis for CVE-2026-53478

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