CVE-2026-63455
Unauthenticated REST API auth bypass in HPE SD‑WAN Orchestrator
Is CVE-2026-63455 being exploited?
Not confirmed. CVE-2026-63455 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 0.46% probability of exploitation in the next 30 days.
How severe is CVE-2026-63455?
CVE-2026-63455 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-2026-63455?
Not known from our data. No patch reference has been recorded for CVE-2026-63455, which is not the same as no patch existing — a fix may have shipped without a tagged reference, or after this record was written. The vendor advisory is the only authority on whether a fix exists, and mitigations may be available regardless.
What does CVE-2026-63455 affect?
CVE-2026-63455 affects HPE Networking SD-WAN Orchestrator. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-63455?
Isolate devices, restrict management access, enable logging; apply vendor patch when released.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Unauthenticated remote attacker can bypass web auth to view/modify configs and sensitive data and potentially disrupt network operations.
Immediate action required
- affected>= 9.6.2.00000 and <= 9.6.2.40208
- affected>= 9.6.3.00000 and <= 9.6.3.40137
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.