CVE-2026-20792
published 2026-02-27CVE-2026-20792: The WebSocket Application Programming Interface lacks restrictions on the number of authentication requests. This absence of rate limiting may allow an…
PriorityP357critical9.8CVSS 3.1
AVNACLPRNUINSUCHIHAH
EPSS
0.48%
37.6th percentile
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 misrouting legitimate charger telemetry, or conduct brute-force
attacks to gain unauthorized access.
Affected
1 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| chargemap | chargemap.com | — | — |
CVSS provenance
nvdv3.19.8CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
nvdv4.08.7HIGHCVSS: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
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CISA ICS
Chargemap chargemap.com
cisa_ics·2026-02-26·CVSS 6.5
[MEDIUM] Chargemap chargemap.com
ICS Advisory
##
Chargemap chargemap.com
Release DateFebruary 26, 2026
Alert CodeICSA-26-057-05
Related topics:
Industrial Control System Vulnerabilities, Industrial Control Systems
View CSAF
## Summary
Successful exploitation of these vulnerabilities could enable attackers to gain unauthorized administrative control over vulnerable charging stations or disrupt charging services through denial-of-service attacks.
The following versions of Chargemap chargemap.com are affected:
- chargemap.com vers:all/* (CVE-2026-25851, CVE-2026-20792, CVE-2026-25711, CVE-2026-20791)
CVSS
Vendor
Equipment
Vulnerabilities
| v3 9.4
| Chargemap
| Chargemap chargemap.com
| Missing Authentication for Critical Function, Improper Restriction of Excessive Authentication Attempts, I
GHSA
GHSA-m9p8-mq88-4q4g: The WebSocket Application Programming Interface lacks restrictions on
the number of authentication requests
ghsa_unreviewed·2026-02-27
CVE-2026-20792 [HIGH] CWE-307 GHSA-m9p8-mq88-4q4g: The WebSocket Application Programming Interface lacks restrictions on
the number of authentication requests
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 misrouting legitimate charger telemetry, or conduct brute-force
attacks to gain unauthorized access.
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
2026-02-27
Published