How severe is CVE-2026-27814?

CVE-2026-27814 has a CVSS 3.x base score of 4.2, rated medium severity. It is exploitable over an adjacent network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability low.

Is CVE-2026-27814 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (3rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-27814?

CVE-2026-27814 affects Linuxfoundation Everest. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-27814?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-27814 have an EU (EUVD) identifier?

Yes. CVE-2026-27814 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-16222.

When was CVE-2026-27814 published?

CVE-2026-27814 was published on 2026-03-26 and last updated on 2026-06-17.

CVE-2026-27814

CVE-2026-27814 is a medium-severity vulnerability in Linuxfoundation Everest with a CVSS 3.x base score of 4.2. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-362.

Key facts

Severity: Medium (CVSS 3.x base score 4.2)
EPSS exploit prediction: 0% (3rd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-16222
Weakness: CWE-362
Affected product: Linuxfoundation Everest
Published: 2026-03-26
Last modified: 2026-06-17

Description

EVerest is an EV charging software stack. Versions prior to 2026.02.0 have a data race (C++ UB) triggered by an A 1-phase ↔ 3-phase switch request (`ac_switch_three_phases_while_charging`) during charging/waiting executes concurrently with the state machine loop. Version 2026.02.0 contains a patch.

Frequently asked questions

What is CVE-2026-27814?: EVerest is an EV charging software stack. Versions prior to 2026.02.0 have a data race (C++ UB) triggered by an A 1-phase ↔ 3-phase switch request (`ac_switch_three_phases_while_charging`) during charging/waiting executes concurrently with the state machine loop. Version 2026.02.0 contains a patch.
How severe is CVE-2026-27814?: CVE-2026-27814 has a CVSS 3.x base score of 4.2, rated medium severity. It is exploitable over an adjacent network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability low.
Is CVE-2026-27814 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (3rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-27814?: CVE-2026-27814 affects Linuxfoundation Everest. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-27814?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-27814 have an EU (EUVD) identifier?: Yes. CVE-2026-27814 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-16222.
When was CVE-2026-27814 published?: CVE-2026-27814 was published on 2026-03-26 and last updated on 2026-06-17.

References

https://github.com/EVerest/EVerest/security/advisories/GHSA-5528-wc53-v557

Affected products (1)

cpe:2.3:o:linuxfoundation:everest:*:*:*:*:*:*:*:*

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