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

MITRE NVD CVE.ORG Print: PDF PDF

Summary

CVECVE-2026-27814
StatePUBLISHED
AssignerGitHub_M
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-03-26 17:16:33 UTC
Updated2026-03-31 14:53:24 UTC
DescriptionEVerest 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.

Risk And Classification

Primary CVSS: v3.1 4.2 MEDIUM from [email protected]

CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:L

EPSS: 0.000160000 probability, percentile 0.037780000 (date 2026-04-01)

Problem Types: CWE-362 | CWE-362 CWE-362: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

VersionSourceTypeScoreSeverityVector
3.1[email protected]Primary4.2MEDIUMCVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:L
3.1[email protected]Secondary4.2MEDIUMCVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:L
3.1CNADECLARED4.2MEDIUMCVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:L

CVSS v3.1 Breakdown

Attack Vector
Adjacent
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
Low
Availability
Low

CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:L

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Linuxfoundation Everest All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA EVerest Everest-core affected < 2026.02.0 Not specified

References

ReferenceSourceLinkTags
github.com/EVerest/EVerest/security/advisories/GHSA-5528-wc53-v557 [email protected] github.com Vendor Advisory
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NVD vulnerability detail NVD nvd.nist.gov canonical, analysis
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