What is CVE-2026-26071?

CVE-2026-26071 is a medium-severity vulnerability in Everest Everest-Core, classified under Concurrent Execution using Shared Resource with Improper Synchronization (Race Condition). CVSS score: 4.2/10. Published 2026-03-26.

How severe is CVE-2026-26071?

Medium severity. CVSS v3 base score is 4.2 out of 10.

Use After Free in Everest Everest-Core

CVE-2026-26071

EVerest is an EV charging software stack. Versions prior to 2026.02.0 have a data race leading to `std::string` concurrent access. with heap-use-after-free possible. This is triggered by EVCCID update (EV/ISO15118) and OCPP session/authorization events. Version 2026.02.0 contains a patch.

Vulnerability class: Race Condition

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

CVSS v3 metric

CVSS v3 base score 4.2 (Medium). Vector: CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.001 (2.6th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 3rd percentile — 2.6% 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: 0.001 · change: +0.000

Affected products

Everest Everest-Core — versions < 2026.02.0
Linuxfoundation Everest

Weakness classification (CWE)

References

github.com/EVerest/EVerest/security/advisories/GHSA-xww8-4hfx-9fjw (Vendor Advisory)

Frequently asked questions

What is CVE-2026-26071?: CVE-2026-26071 is a medium-severity vulnerability in Everest Everest-Core, classified under Concurrent Execution using Shared Resource with Improper Synchronization (Race Condition). CVSS score: 4.2/10. Published 2026-03-26.
How severe is CVE-2026-26071?: Medium severity. CVSS v3 base score is 4.2 out of 10.