Network OS vulnerability in widely deployed Dell SmartFabric OS10 with remote unauthenticated session theft potential; impacts enterprise network infrastructure.
CVE-2026-63695
Unauthenticated session fixation in Dell OS10 allows session theft and takeover.
Is CVE-2026-63695 being exploited?
Not confirmed. CVE-2026-63695 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.
How severe is CVE-2026-63695?
CVE-2026-63695 is rated Critical with a CVSS score of 9.8. 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-2026-63695?
Yes. A fix has been recorded for CVE-2026-63695. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-63695 affect?
CVE-2026-63695 affects Dell SmartFabric OS10 versions prior to 10.6.1.3, Dell switches running OS10 management plane. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-63695?
Apply OS10 10.6.1.3 update, restrict management access, rotate credentials
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Remote unauthenticated attacker can fix/steal admin sessions, enabling account takeover and remote configuration access.
Immediate action required
- affected< 10.6.1.3
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.