CVE-2026-27772
Unauthenticated OCPP WebSocket allows station impersonation.
Is CVE-2026-27772 being exploited?
Not confirmed. CVE-2026-27772 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 0.53% probability of exploitation in the next 30 days.
How severe is CVE-2026-27772?
CVE-2026-27772 is rated Critical with a CVSS score of 9.4. 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-2026-27772?
Not known from our data. No patch reference has been recorded for CVE-2026-27772, 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-2026-27772 affect?
CVE-2026-27772 affects OCPP WebSocket endpoints, EV charging stations (OCPP-compliant), Charging backend services. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-27772?
Enforce WebSocket authentication and limit access.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Unauthenticated WS access enables privilege escalation, unauthorized charger control, and backend data manipulation.
Immediate action required
- affectedAll versions
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.