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CVE-2026-27813 EVerest has use-after-free in auth timeout timer via race condition

Medium 5.3 Published Updated

A race condition in EVerest causes a use-after-free during authorization events, potentially allowing code execution or denial of service.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-27813?

CVE-2026-27813 is a medium-severity use after free vulnerability in everest-core, published on 26 Mar 2026. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

EVerest is an EV charging software stack. Versions prior to 2026.02.0 have a data race leading to use-after-free. This is triggered by EV plug-in/unplug and RFID/RemoteStart/OCPP authorization events (or delayed authorization response). Version 2026.2.0 contains a patch.

Weakness: CWE-416

Which versions are affected by CVE-2026-27813?

It affects 1 product.

Products include Linuxfoundation Everest.

How do I fix CVE-2026-27813?

No fix has been published for CVE-2026-27813 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.

Is CVE-2026-27813 being exploited?

There is no known exploitation of CVE-2026-27813 in the wild and no public exploit code.

Sources

Also known as GHSA-vgmh-mmg3-22m6.

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