CVE-2026-31903 — HIGH (7.5)

Vulnerability Description

The WebSocket Application Programming Interface lacks restrictions on the number of authentication requests. This absence of rate limiting may allow an attacker to conduct denial-of-service attacks by suppressing or mis-routing legitimate charger telemetry, or conduct brute-force attacks to gain unauthorized access.

CVSS Score

7.5

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Affected Products

Vendor	Product	Versions
Igl	Eparking.Fi	-

Related Weaknesses (CWE)

CWE-307

References

https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-07Not Applicable
https://www.cisa.gov/news-events/ics-advisories/icsa-26-078-08Not Applicable

FAQ

What is CVE-2026-31903?

CVE-2026-31903 is a vulnerability with a CVSS score of 7.5 (HIGH). The WebSocket Application Programming Interface lacks restrictions on the number of authentication requests. This absence of rate limiting may allow an attacker to conduct denial-of-service attacks by...

How severe is CVE-2026-31903?

CVE-2026-31903 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-31903?

Check the references section above for vendor advisories and patch information. Affected products include: Igl Eparking.Fi.