CVE-2026-27816CRITICAL 9.1EPSS p9.5%

CVE-2026-27816CVE-2026-27816

Description

EVerest is an EV charging software stack. Prior to versions to 2026.02.0, ISO15118_chargerImpl::handle_update_energy_transfer_modes copies a variable-length list into a fixed-size array of length 6 without bounds checking. With schema validation disabled by default, oversized MQTT Cmd payloads can trigger out-of-bounds writes and corrupt adjacent EVSE state or crash the process. Version 2026.02.0 contains a patch.

Scoring

CVSS 3.19.1 (CRITICAL)
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
EPSS0.20% probability of exploitation · percentile 9.5% · 2026-06-18T12:00:27Z
Published2026-03-26
Last modified2026-03-31

Underlying weaknesses· 1

CWE-787

References

  1. https://github.com/EVerest/EVerest/security/advisories/GHSA-gq54-j8f4-xj8c

1

TypeTargetConfidenceTier
WeaknessOut-of-bounds Writecwe-7870%live

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