CVE-2026-86383
Reported by dell · Published October 28, 2026
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.
Fixed versions
Upgrade to a fixed version or later. Language registries are listed first, then Linux distributions, then vendor products.
| Package | Ecosystem | Fixed in |
|---|---|---|
| PowerProtect Data Domain | Dell | 8.9.0.0 or later, 8.6.1.30 or later, 8.3.1.50 or later |
Risk scores
Affected products
| Vendor | Product | Versions |
|---|---|---|
| Dell | PowerProtect Data Domain | 0, 0, 0 |
| Dell | PowerProtect Data Domain | 0, 0, 0 |
Timeline
- Oct 28, 2026 Coalition ESS Score
- Oct 28, 2026 CVE Published
- Oct 29, 2026 EPSS Score (2 in total, the first dated here)
- Nov 3, 2026 CVE Updated
Query this with the API
The same record, from the CLI:
vulnetix vdb vuln CVE-2026-86383
vulnetix vdb fixes CVE-2026-86383Or with curl, using the org id and key from your account page:
curl -s -H "Authorization: ApiKey ${VULNETIX_ORG_ID}:${VULNETIX_API_KEY}" \
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