What is CVE-2026-27813?

CVE-2026-27813 is a medium-severity vulnerability in Everest Everest-Core, classified under Use After Free. CVSS score: 5.3/10. Published 2026-03-26.

How severe is CVE-2026-27813?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Use After Free in Everest Everest-Core

CVE-2026-27813

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.

Vulnerability class: Use-After-Free

Published 2026-03-26 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:H.

EPSS exploit prediction

EPSS: 0.002 (6.5th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 7th percentile — 6.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.001 · newest: 0.002 · change: +0.001

Affected products

Everest Everest-Core — versions < 2026.02.0
Linuxfoundation Everest

Weakness classification (CWE)

CWE-416 — Use After Free

References

github.com/EVerest/EVerest/security/advisories/GHSA-vgmh-mmg3-22m6 (Vendor Advisory)

Frequently asked questions

What is CVE-2026-27813?: CVE-2026-27813 is a medium-severity vulnerability in Everest Everest-Core, classified under Use After Free. CVSS score: 5.3/10. Published 2026-03-26.
How severe is CVE-2026-27813?: Medium severity. CVSS v3 base score is 5.3 out of 10.