CVE-2026-44383
OCPP backends allow duplicate station IDs; attackers can spawn clients to overwhelm backend.
Is CVE-2026-44383 being exploited?
Not confirmed. CVE-2026-44383 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 0.56% probability of exploitation in the next 30 days.
How severe is CVE-2026-44383?
CVE-2026-44383 is rated High with a CVSS score of 8.7. 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-2026-44383?
Not known from our data. No patch reference has been recorded for CVE-2026-44383, 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-2026-44383 affect?
CVE-2026-44383 affects OCPP-compliant charging station backends, EV charging management platforms, e‑mobility operator servers. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-44383?
Enforce unique session IDs, rate-limit per station ID, throttle connections, require strong auth, contact vendor.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Remote attackers can connect many fake OCPP clients using the same station ID to exhaust resources and cause denial of service/disruption.
Immediate action required
- affected< June_2026
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.