CVE-2026-31904
Last modified
CVE-2026-31904 is a high-severity vulnerability rated 8.7/10 on the CVSS scale. 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.. EPSS estimates a 0.43% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Ctek | Charge Portal | All versions |
References
- https://www.cisa.gov/news-events/ics-advisories/icsa-26-078-06Third Party Advisory, US Government Resource
- https://www.ctek.com/supportProduct
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
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