CVE-2026-26305CRITICAL 9.8EPSS p37.3%

CVE-2026-26305CVE-2026-26305

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.

Scoring

CVSS 3.19.8 (CRITICAL)
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS0.47% probability of exploitation · percentile 37.3% · 2026-06-18T12:00:27Z
Published2026-02-27
Last modified2026-03-05

Underlying weaknesses· 1

CWE-307

References

  1. https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-057-08.json
  2. https://www.cisa.gov/news-events/ics-advisories/icsa-26-057-08
  3. https://www.mobility46.se/en/contact-us

1

TypeTargetConfidenceTier
WeaknessImproper Restriction of Excessive Authentication Attemptscwe-3070%live

Related by meaning· 6

Nearest entities by semantic similarity across the cs-graph corpus.

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Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.