What is CVE-2026-27828?

CVE-2026-27828 is a high-severity vulnerability in Everest Everest-core, classified under Use After Free. CVSS score: 7.5/10. Published 2026-03-26.

How severe is CVE-2026-27828?

High severity. CVSS v3 base score is 7.5 out of 10.

Use After Free in Everest Everest-core

CVE-2026-27828

EVerest is an EV charging software stack. Prior to version 2026.02.0, ISO15118_chargerImpl::handle_session_setup uses v2g_ctx after it has been freed when ISO15118 initialization fails (e.g., no IPv6 link-local address). The EVSE process c…

Vulnerability class: Use-After-Free

EPSS: 0.003 (20.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Everest Everest-core — versions < 2026.02.0
Linuxfoundation Everest

Weakness classification (CWE)

CWE-416 — Use After Free

References

security-advisories@github.com (x_refsource_CONFIRM, Mitigation, Vendor Advisory)

Frequently asked questions

What is CVE-2026-27828?: CVE-2026-27828 is a high-severity vulnerability in Everest Everest-core, classified under Use After Free. CVSS score: 7.5/10. Published 2026-03-26.
How severe is CVE-2026-27828?: High severity. CVSS v3 base score is 7.5 out of 10.