CVE-2026-27828 MEDIUM

CVE-2026-27828: EVerest: ISO15118 session_setup use-after-free can crash EVSE process

Vendor Everest
Product everest-core
Weakness CWE-416
Published March 26, 2026
Last update March 27, 2026
View on NVD All CVEs

CVSS base score

5.5/10
Attack vector Local
Attack complexity Low
Privileges required None
User interaction None
Confidentiality —
Integrity —

CVSS vector

CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:P

What the vulnerability does

01Description

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 can be crashed remotely by an attacker with MQTT access who issues a session_setup command while v2g_ctx has been released. Version 2026.02.0 contains a patch.

Key dates

02Disclosure timeline

March 26, 2026 CVE published
March 27, 2026 Record updated