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CVE-2026-22593

Linuxfoundation Everest vulnerability

8.4 HIGHPublic exploitEPSS 0.14%
  1. Published26 Mar 2026

Description

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.

CVSS 3.1 breakdown

Attack vectorLocal
Attack complexityLow
Privileges requiredNone
User interactionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

Linuxfoundation Everest< 2026.02.0

Remediation

Fixed in
Linuxfoundation Everest≥ 2026.02.0

References

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Frequently asked

Is CVE-2026-22593 being actively exploited?

CVE-2026-22593 is not in the CISA KEV catalog. A public exploit reference exists, so treat it as exploitable. Its EPSS exploit probability is 0.14%.

How severe is CVE-2026-22593?

CVE-2026-22593 has a CVSS 3.1 base score of 8.4, rated high. EPSS estimates a 0.14% probability of exploitation.

Which products are affected by CVE-2026-22593?

Affected products include Linuxfoundation Everest.

How do I fix CVE-2026-22593?

Upgrade affected software to a fixed version, for example Linuxfoundation Everest 2026.02.0 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2026-22593 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.