CVE-2026-20792
CVE-2026-20792 is a high-severity vulnerability in Chargemap Chargemap.com with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-307.
Key facts
- Severity: High (CVSS 3.x base score 7.5)
- CVSS v4: 8.7
- EPSS exploit prediction: 0% (38th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2026-8931
- Weakness: CWE-307
- Affected product: Chargemap Chargemap.com
- Published:
- Last modified:
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.
Frequently asked questions
- What is CVE-2026-20792?
- 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.
- How severe is CVE-2026-20792?
- CVE-2026-20792 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
- Is CVE-2026-20792 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (38th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2026-20792?
- CVE-2026-20792 affects Chargemap Chargemap.com. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2026-20792?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- Does CVE-2026-20792 have an EU (EUVD) identifier?
- Yes. CVE-2026-20792 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-8931.
- When was CVE-2026-20792 published?
- CVE-2026-20792 was published on 2026-02-27 and last updated on 2026-06-17.
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
Affected products (1)
- cpe:2.3:a:chargemap:chargemap.com:*:*:*:*:*:*:*:*
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