CVE-2026-27814

EVerest EvseManager phase-switch path has unsynchronized shared-state access race condition

State: Published
Severity: 4.2 Medium
Published: Mar 26, 2026
Updated: Mar 26, 2026
Reserved: Feb 24, 2026

Description

EVerest is an EV charging software stack. Versions prior to 2026.02.0 have a data race (C++ UB) triggered by an A 1-phase ↔ 3-phase switch request (`ac_switch_three_phases_while_charging`) during charging/waiting executes concurrently with the state machine loop. Version 2026.02.0 contains a patch.

Scores

CVSS	Score	Vector	Source
3.1	4.2 Medium	CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:L	GitHub_M

Weaknesses

CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

Affected Products

Product	Versions
everest-coreEVerest	< 2026.02.0Affected

References

https://github.com/EVerest/EVerest/security/advisories/GHSA-5528-wc53-v557

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