CVE-2026-26074

EVerest: OCPP201 startup event_queue lock mismatch leads to std::map/std::queue data race

State: Published
Severity: 7.0 High
Published: Mar 26, 2026
Updated: Mar 26, 2026
Reserved: Feb 10, 2026

Description

EVerest is an EV charging software stack. Versions prior to 2026.02.0 have a data race leading to possible `std::map<std::queue>` corruption. The trigger is CSMS GetLog/UpdateFirmware request (network) with an EVSE fault event (physical). This results in TSAN reports concurrent access (data race) to `event_queue`. Version 2026.2.0 contains a patch.

Scores

CVSS	Score	Vector	Source
3.1	7.0 High	CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:H	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-p3hg-vqgv-h524

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