CVE-2026-22593

EVerest is an EV charging software stack. Prior to version 2026.02.0, an off-by-one check in IsoMux certificate filename handling causes a stack-based buffer overflow when a filename length equals `MAX_FILE_NAME_LENGTH` (100). A crafted filename in the certificate directory can overflow `file_names[idx]`, corrupting stack state and enabling potential code execution. Version 2026.02.0 contains a patch.

Scoring

Severity

HIGH

CVSS base score

8.4

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS probability

0.14%

CWE

CWE-193

Published

2026-03-26

Last modified

2026-03-29

Affected products

• EVerest everest-core

Weakness type

• CWE-193

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