CVE-2026-73710
Unauthenticated remote DoS in HPE Fabric Composer API that can disrupt systems and alter OS.
Is CVE-2026-73710 being exploited?
Not confirmed. CVE-2026-73710 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-2026-73710?
CVE-2026-73710 is rated High with a CVSS score of 8.2. 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-2026-73710?
Yes. A fix has been recorded for CVE-2026-73710. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-73710 affect?
CVE-2026-73710 affects HPE Networking Fabric Composer, Fabric Composer API endpoint. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-73710?
Apply HPE update, restrict API access, and monitor logs
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Unauthenticated remote denial-of-service; may allow limited unauthorized OS modifications and cause outages requiring manual recovery.
Patch when possible
- affected>= 7.0.0 and <= 7.3.3
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.