What is CVE-2026-26073?

CVE-2026-26073 is a medium-severity vulnerability in Everest Everest-core, classified under Heap-based Buffer Overflow. CVSS score: 5.9/10. Published 2026-03-26.

How severe is CVE-2026-26073?

Medium severity. CVSS v3 base score is 5.9 out of 10.

Buffer overflow in Everest Everest-core

CVE-2026-26073

EVerest is an EV charging software stack. Versions prior to 2026.02.0 have a data race leading to possible `std::queue`/`std::deque` corruption. The trigger is powermeter public key update and EV session/error events (while OCPP not starte…

Vulnerability class: Buffer Overflow

EPSS: 0.000 (5.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Everest Everest-core — versions < 2026.02.0

Weakness classification (CWE)

CWE-122 — Heap-based Buffer Overflow

References

https://github.com/EVerest/EVerest/security/advisories/GHSA-jf36-f4f9-7qc2 (x_refsource_CONFIRM)

Frequently asked questions

What is CVE-2026-26073?: CVE-2026-26073 is a medium-severity vulnerability in Everest Everest-core, classified under Heap-based Buffer Overflow. CVSS score: 5.9/10. Published 2026-03-26.
How severe is CVE-2026-26073?: Medium severity. CVSS v3 base score is 5.9 out of 10.