Affects Dell PowerStore, a widely deployed enterprise storage platform; unauthenticated remote filesystem access can enable data theft, ransomware, or operational outages across organizations.
CVE-2026-79687
Unauthenticated remote auth bypass in Dell PowerStore SDNAS allows filesystem access.
Is CVE-2026-79687 being exploited?
Not confirmed. CVE-2026-79687 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 0.27% probability of exploitation in the next 30 days.
How severe is CVE-2026-79687?
CVE-2026-79687 is rated Critical with a CVSS score of 9.0. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2026-79687?
Yes. A fix has been recorded for CVE-2026-79687. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-79687 affect?
CVE-2026-79687 affects Dell PowerStore SDNAS (storage appliance component). Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-79687?
Apply Dell DSA-2026-330 update immediately; isolate/limit access to management interfaces.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Unauthenticated remote attacker can bypass authentication to access filesystem: read/write/delete files, exfiltrate data, or deploy ransomware.
Immediate action required
- affected< 4.3.1.2-2771239 or later
- affected< 4.3.1.2-2771239 or later
- affected< 4.3.1.2-2771239 or later
- affected< 4.3.1.2-2771239 or later
- affected< 4.3.1.2-2771239 or later
- affected< 4.3.1.2-2771239 or later
- affected< 4.3.1.2-2771239 or later
- affected< 4.3.1.2-2771239 or later
- affected< 4.3.1.2-2771239 or later
- affected< 4.3.1.2-2771239 or later
- affected< 4.3.1.2-2771239 or later
- affected< 4.3.1.2-2771239 or later
As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.