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CVE-2026-33009

Linuxfoundation Everest race condition

8.2 HIGHPublic exploitEPSS 0.29%
  1. Published26 Mar 2026

Description

EVerest is an EV charging software stack. Versions prior to 2026.02.0 have a data race leading to C++ UB (potential memory corruption). This is triggered by an MQTT `everest_external/nodered/{connector}/cmd/switch_three_phases_while_charging` message and results in `Charger::shared_context` / `internal_context` accessed concurrently without lock. Version 2026.02.0 contains a patch.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
ScopeUnchanged
ConfidentialityNone
IntegrityLow
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/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-2026-33009 being actively exploited?

CVE-2026-33009 is not in the CISA KEV catalog. A public exploit reference exists, so treat it as exploitable. Its EPSS exploit probability is 0.29%.

How severe is CVE-2026-33009?

CVE-2026-33009 has a CVSS 3.1 base score of 8.2, rated high. EPSS estimates a 0.29% probability of exploitation.

Which products are affected by CVE-2026-33009?

Affected products include Linuxfoundation Everest.

How do I fix CVE-2026-33009?

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

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