What’s Vulnerable › Vulnerabilities

CVE-2026-20792: Chargemap chargemap.com Improper Restriction of Excessive Authentication Attempts

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-02-27 · updated 2026-06-17
• Weakness: CWE-307

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 misrouting legitimate charger telemetry, or conduct brute-force attacks to gain unauthorized access.

Affected products

• chargemap.com: all versions

References

• https://chargemap.com/en-us/support
• https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-057-05.json
• https://www.cisa.gov/news-events/ics-advisories/icsa-26-057-05

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