What is CVE-2026-22593?

CVE-2026-22593 is a high-severity vulnerability in Everest Everest-core, classified under Off-by-one Error. CVSS score: 8.4/10. Published 2026-03-26.

How severe is CVE-2026-22593?

High severity. CVSS v3 base score is 8.4 out of 10.

Vulnerability in Everest Everest-core

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 fi…

EPSS: 0.000 (0.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.4 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Everest Everest-core — versions < 2026.02.0

Weakness classification (CWE)

CWE-193 — Off-by-one Error

References

https://github.com/EVerest/EVerest/security/advisories/GHSA-cpqf-mcqc-783m (x_refsource_CONFIRM)

Frequently asked questions

What is CVE-2026-22593?: CVE-2026-22593 is a high-severity vulnerability in Everest Everest-core, classified under Off-by-one Error. CVSS score: 8.4/10. Published 2026-03-26.
How severe is CVE-2026-22593?: High severity. CVSS v3 base score is 8.4 out of 10.