CVE-2026-26074 HIGH

CVE-2026-26074: EVerest: OCPP201 startup event_queue lock mismatch leads to std::map/std::queue data race

Vendor Everest
Product everest-core
Weakness CWE-362
Published March 26, 2026
Last update March 26, 2026

CVSS base score

7.0/10
Attack vector Network
Attack complexity High
Privileges required None
User interaction None
Confidentiality Low
Integrity Low

CVSS vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:H

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

March 26, 2026 CVE published
March 26, 2026 Record updated