What is CVE-2026-33009?

CVE-2026-33009 is a high-severity vulnerability in Everest Everest-core, classified under Concurrent Execution using Shared Resource with Improper Synchronization (Race Condition). CVSS score: 8.2/10. Published 2026-03-26.

How severe is CVE-2026-33009?

High severity. CVSS v3 base score is 8.2 out of 10.

Vulnerability in Everest Everest-core

CVE-2026-33009

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_chargi…

Vulnerability class: Race Condition

EPSS: 0.000 (5.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H.

Affected products

Everest Everest-core — versions < 2026.02.0

Weakness classification (CWE)

CWE-362 — Concurrent Execution using Shared Resource with Improper Synchronization (Race Condition)

References

https://github.com/EVerest/EVerest/security/advisories/GHSA-33qh-fg6f-jjx5 (x_refsource_CONFIRM)

Frequently asked questions

What is CVE-2026-33009?: CVE-2026-33009 is a high-severity vulnerability in Everest Everest-core, classified under Concurrent Execution using Shared Resource with Improper Synchronization (Race Condition). CVSS score: 8.2/10. Published 2026-03-26.
How severe is CVE-2026-33009?: High severity. CVSS v3 base score is 8.2 out of 10.