CVE-2026-27814

EVerest EvseManager phase-switch path has unsynchronized shared-state access race condition

MEDIUM
4.2
CVSS Score
Published: March 26, 2026 at 04:27 PM UTC
Updated: June 17, 2026 at 10:27 AM UTC
2 products affected across 2 vendorsEverestCore

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Severity
MEDIUM4.2
Exploit prediction
EPSS 0.1%
SSVC
No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 2026.02.0
Affected range stops below 2026.02.0, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (1)

x_refsource_CONFIRMVendor Advisory
Source: cverecord
https://github.com/EVerest/EVerest/security/advisories/GHSA-5528-wc53-v557

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

4.2MEDIUMGitHub_M
Attack Vector
ADJACENT_NETWORK
Complexity
HIGH
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
LOW
Availability
LOW
Vector?

Quick Info

StatusANALYZED
CWE
CWE-362

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