CVE-2026-27814 Vulnerability Analysis & Exploit Details

CVE-2026-27814
Vulnerability Scoring

4.2

/10

Medium Risk

The vulnerability CVE-2026-27814 could compromise system integrity but typically requires user interaction to be exploited.

Attack Complexity Details

Attack Complexity: High
Exploits require significant effort and special conditions.
Attack Vector: Adjacent_network
Attack Vector Under Analysis
Privileges Required: None
No privileges are required for exploitation.
Scope: Unchanged
Exploit remains within the originally vulnerable component.
User Interaction: None
No user interaction is necessary for exploitation.

CVE-2026-27814 Details

Status: Analyzed

Last updated: 🕝 31 Mar 2026, 14:53 UTC
Originally published on: 🕔 26 Mar 2026, 17:16 UTC

Time between publication and last update: 4 days

CVSS Release: version 3

CVSS3 Source

security-advisories@github.com

CVSS3 Type

Secondary

CVSS3 Vector

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

CVE-2026-27814 Vulnerability Summary

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.

Assessing the Risk of CVE-2026-27814

Access Complexity Graph

The exploitability of CVE-2026-27814 depends on two key factors: attack complexity (the level of effort required to execute an exploit) and privileges required (the access level an attacker needs).

Exploitability Analysis for CVE-2026-27814

CVE-2026-27814 presents a challenge to exploit due to its high attack complexity, but the absence of privilege requirements still makes it a viable target for skilled attackers. A thorough security review is advised.

Understanding AC and PR

A lower complexity and fewer privilege requirements make exploitation easier. Security teams should evaluate these aspects to determine the urgency of mitigation strategies, such as patch management and access control policies.

Attack Complexity (AC) measures the difficulty in executing an exploit. A high AC means that specific conditions must be met, making an attack more challenging, while a low AC means the vulnerability can be exploited with minimal effort.

Privileges Required (PR) determine the level of system access necessary for an attack. Vulnerabilities requiring no privileges are more accessible to attackers, whereas high privilege requirements limit exploitation to authorized users with elevated access.

CVSS Score Breakdown Chart

Above is the CVSS Sub-score Breakdown for CVE-2026-27814, illustrating how Base, Impact, and Exploitability factors combine to form the overall severity rating. A higher sub-score typically indicates a more severe or easier-to-exploit vulnerability.

CIA Impact Analysis

Below is the Impact Analysis for CVE-2026-27814, showing how Confidentiality, Integrity, and Availability might be affected if the vulnerability is exploited. Higher values usually signal greater potential damage.

Confidentiality: None
CVE-2026-27814 has no significant impact on data confidentiality.
Integrity: Low
Exploiting CVE-2026-27814 may cause minor changes to data without severely impacting its accuracy.
Availability: Low
CVE-2026-27814 may slightly degrade system performance without fully affecting service availability.

CVE-2026-27814 References

External References

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

CWE Common Weakness Enumeration

CWE-362

CAPEC Common Attack Pattern Enumeration and Classification

Leveraging Race Conditions CAPEC-26 The adversary targets a race condition occurring when multiple processes access and manipulate the same resource concurrently, and the outcome of the execution depends on the particular order in which the access takes place. The adversary can leverage a race condition by "running the race", modifying the resource and modifying the normal execution flow. For instance, a race condition can occur while accessing a file: the adversary can trick the system by replacing the original file with their version and cause the system to read the malicious file.
Leveraging Time-of-Check and Time-of-Use (TOCTOU) Race Conditions CAPEC-29 This attack targets a race condition occurring between the time of check (state) for a resource and the time of use of a resource. A typical example is file access. The adversary can leverage a file access race condition by "running the race", meaning that they would modify the resource between the first time the target program accesses the file and the time the target program uses the file. During that period of time, the adversary could replace or modify the file, causing the application to behave unexpectedly.

Vulnerable Configurations

cpe:2.3:o:linuxfoundation:everest:2022.11.0:*:*:*:*:*:*:*
cpe:2.3:o:linuxfoundation:everest:2022.11.0:*:*:*:*:*:*:*
cpe:2.3:o:linuxfoundation:everest:2022.12.0:*:*:*:*:*:*:*
cpe:2.3:o:linuxfoundation:everest:2022.12.0:*:*:*:*:*:*:*
cpe:2.3:o:linuxfoundation:everest:2022.12.1:*:*:*:*:*:*:*
cpe:2.3:o:linuxfoundation:everest:2022.12.1:*:*:*:*:*:*:*
cpe:2.3:o:linuxfoundation:everest:2023.1.0:*:*:*:*:*:*:*
cpe:2.3:o:linuxfoundation:everest:2023.1.0:*:*:*:*:*:*:*
cpe:2.3:o:linuxfoundation:everest:2023.2.0:*:*:*:*:*:*:*
cpe:2.3:o:linuxfoundation:everest:2023.2.0:*:*:*:*:*:*:*
cpe:2.3:o:linuxfoundation:everest:2023.2.1:*:*:*:*:*:*:*
cpe:2.3:o:linuxfoundation:everest:2023.2.1:*:*:*:*:*:*:*
cpe:2.3:o:linuxfoundation:everest:2023.3.0:*:*:*:*:*:*:*
cpe:2.3:o:linuxfoundation:everest:2023.3.0:*:*:*:*:*:*:*
cpe:2.3:o:linuxfoundation:everest:2023.5.0:*:*:*:*:*:*:*
cpe:2.3:o:linuxfoundation:everest:2023.5.0:*:*:*:*:*:*:*
cpe:2.3:o:linuxfoundation:everest:2023.6.0:*:*:*:*:*:*:*
cpe:2.3:o:linuxfoundation:everest:2023.6.0:*:*:*:*:*:*:*
cpe:2.3:o:linuxfoundation:everest:2023.7.0:*:*:*:*:*:*:*
cpe:2.3:o:linuxfoundation:everest:2023.7.0:*:*:*:*:*:*:*
cpe:2.3:o:linuxfoundation:everest:2023.8.0:*:*:*:*:*:*:*
cpe:2.3:o:linuxfoundation:everest:2023.8.0:*:*:*:*:*:*:*
cpe:2.3:o:linuxfoundation:everest:2023.9.0:*:*:*:*:*:*:*
cpe:2.3:o:linuxfoundation:everest:2023.9.0:*:*:*:*:*:*:*
cpe:2.3:o:linuxfoundation:everest:2023.9.1:*:*:*:*:*:*:*
cpe:2.3:o:linuxfoundation:everest:2023.9.1:*:*:*:*:*:*:*
cpe:2.3:o:linuxfoundation:everest:2023.10.0:*:*:*:*:*:*:*
cpe:2.3:o:linuxfoundation:everest:2023.10.0:*:*:*:*:*:*:*
cpe:2.3:o:linuxfoundation:everest:2023.12.0:*:*:*:*:*:*:*
cpe:2.3:o:linuxfoundation:everest:2023.12.0:*:*:*:*:*:*:*
cpe:2.3:o:linuxfoundation:everest:2024.1.0:*:*:*:*:*:*:*
cpe:2.3:o:linuxfoundation:everest:2024.1.0:*:*:*:*:*:*:*
cpe:2.3:o:linuxfoundation:everest:2024.2.0:*:*:*:*:*:*:*
cpe:2.3:o:linuxfoundation:everest:2024.2.0:*:*:*:*:*:*:*
cpe:2.3:o:linuxfoundation:everest:2024.3.0:-:*:*:*:*:*:*
cpe:2.3:o:linuxfoundation:everest:2024.3.0:-:*:*:*:*:*:*
cpe:2.3:o:linuxfoundation:everest:2024.3.0:rc1:*:*:*:*:*:*
cpe:2.3:o:linuxfoundation:everest:2024.3.0:rc1:*:*:*:*:*:*
cpe:2.3:o:linuxfoundation:everest:2024.3.0:rc2:*:*:*:*:*:*
cpe:2.3:o:linuxfoundation:everest:2024.3.0:rc2:*:*:*:*:*:*
cpe:2.3:o:linuxfoundation:everest:2024.3.1:*:*:*:*:*:*:*
cpe:2.3:o:linuxfoundation:everest:2024.3.1:*:*:*:*:*:*:*
cpe:2.3:o:linuxfoundation:everest:2024.4.0:*:*:*:*:*:*:*
cpe:2.3:o:linuxfoundation:everest:2024.4.0:*:*:*:*:*:*:*
cpe:2.3:o:linuxfoundation:everest:2024.5.0:*:*:*:*:*:*:*
cpe:2.3:o:linuxfoundation:everest:2024.5.0:*:*:*:*:*:*:*
cpe:2.3:o:linuxfoundation:everest:2024.6.0:-:*:*:*:*:*:*
cpe:2.3:o:linuxfoundation:everest:2024.6.0:-:*:*:*:*:*:*
cpe:2.3:o:linuxfoundation:everest:2024.6.0:rc1:*:*:*:*:*:*
cpe:2.3:o:linuxfoundation:everest:2024.6.0:rc1:*:*:*:*:*:*
cpe:2.3:o:linuxfoundation:everest:2024.6.0:rc2:*:*:*:*:*:*
cpe:2.3:o:linuxfoundation:everest:2024.6.0:rc2:*:*:*:*:*:*
cpe:2.3:o:linuxfoundation:everest:2024.6.0:rc3:*:*:*:*:*:*
cpe:2.3:o:linuxfoundation:everest:2024.6.0:rc3:*:*:*:*:*:*
cpe:2.3:o:linuxfoundation:everest:2024.7.0:*:*:*:*:*:*:*
cpe:2.3:o:linuxfoundation:everest:2024.7.0:*:*:*:*:*:*:*
cpe:2.3:o:linuxfoundation:everest:2024.7.1:*:*:*:*:*:*:*
cpe:2.3:o:linuxfoundation:everest:2024.7.1:*:*:*:*:*:*:*
cpe:2.3:o:linuxfoundation:everest:2024.8.0:*:*:*:*:*:*:*
cpe:2.3:o:linuxfoundation:everest:2024.8.0:*:*:*:*:*:*:*
cpe:2.3:o:linuxfoundation:everest:2024.9.0:-:*:*:*:*:*:*
cpe:2.3:o:linuxfoundation:everest:2024.9.0:-:*:*:*:*:*:*
cpe:2.3:o:linuxfoundation:everest:2024.9.0:rc1:*:*:*:*:*:*
cpe:2.3:o:linuxfoundation:everest:2024.9.0:rc1:*:*:*:*:*:*
cpe:2.3:o:linuxfoundation:everest:2024.9.0:rc2:*:*:*:*:*:*
cpe:2.3:o:linuxfoundation:everest:2024.9.0:rc2:*:*:*:*:*:*
cpe:2.3:o:linuxfoundation:everest:2024.9.0:rc3:*:*:*:*:*:*
cpe:2.3:o:linuxfoundation:everest:2024.9.0:rc3:*:*:*:*:*:*
cpe:2.3:o:linuxfoundation:everest:2024.9.1:*:*:*:*:*:*:*
cpe:2.3:o:linuxfoundation:everest:2024.9.1:*:*:*:*:*:*:*
cpe:2.3:o:linuxfoundation:everest:2024.9.2:*:*:*:*:*:*:*
cpe:2.3:o:linuxfoundation:everest:2024.9.2:*:*:*:*:*:*:*
cpe:2.3:o:linuxfoundation:everest:2024.10.0:*:*:*:*:*:*:*
cpe:2.3:o:linuxfoundation:everest:2024.10.0:*:*:*:*:*:*:*
cpe:2.3:o:linuxfoundation:everest:2024.11.0:*:*:*:*:*:*:*
cpe:2.3:o:linuxfoundation:everest:2024.11.0:*:*:*:*:*:*:*
cpe:2.3:o:linuxfoundation:everest:2025.1.0:-:*:*:*:*:*:*
cpe:2.3:o:linuxfoundation:everest:2025.1.0:-:*:*:*:*:*:*
cpe:2.3:o:linuxfoundation:everest:2025.1.0:rc1:*:*:*:*:*:*
cpe:2.3:o:linuxfoundation:everest:2025.1.0:rc1:*:*:*:*:*:*
cpe:2.3:o:linuxfoundation:everest:2025.1.0:rc2:*:*:*:*:*:*
cpe:2.3:o:linuxfoundation:everest:2025.1.0:rc2:*:*:*:*:*:*
cpe:2.3:o:linuxfoundation:everest:2025.1.0:rc3:*:*:*:*:*:*
cpe:2.3:o:linuxfoundation:everest:2025.1.0:rc3:*:*:*:*:*:*
cpe:2.3:o:linuxfoundation:everest:2025.1.0:rc4:*:*:*:*:*:*
cpe:2.3:o:linuxfoundation:everest:2025.1.0:rc4:*:*:*:*:*:*
cpe:2.3:o:linuxfoundation:everest:2025.2.0:*:*:*:*:*:*:*
cpe:2.3:o:linuxfoundation:everest:2025.2.0:*:*:*:*:*:*:*
cpe:2.3:o:linuxfoundation:everest:2025.3.0:*:*:*:*:*:*:*
cpe:2.3:o:linuxfoundation:everest:2025.3.0:*:*:*:*:*:*:*
cpe:2.3:o:linuxfoundation:everest:2025.4.0:-:*:*:*:*:*:*
cpe:2.3:o:linuxfoundation:everest:2025.4.0:-:*:*:*:*:*:*
cpe:2.3:o:linuxfoundation:everest:2025.4.0:rc1:*:*:*:*:*:*
cpe:2.3:o:linuxfoundation:everest:2025.4.0:rc1:*:*:*:*:*:*
cpe:2.3:o:linuxfoundation:everest:2025.4.0:rc2:*:*:*:*:*:*
cpe:2.3:o:linuxfoundation:everest:2025.4.0:rc2:*:*:*:*:*:*
cpe:2.3:o:linuxfoundation:everest:2025.4.1:*:*:*:*:*:*:*
cpe:2.3:o:linuxfoundation:everest:2025.4.1:*:*:*:*:*:*:*
cpe:2.3:o:linuxfoundation:everest:2025.5.0:*:*:*:*:*:*:*
cpe:2.3:o:linuxfoundation:everest:2025.5.0:*:*:*:*:*:*:*
cpe:2.3:o:linuxfoundation:everest:2025.6.0:*:*:*:*:*:*:*
cpe:2.3:o:linuxfoundation:everest:2025.6.0:*:*:*:*:*:*:*
cpe:2.3:o:linuxfoundation:everest:2025.7.0:-:*:*:*:*:*:*
cpe:2.3:o:linuxfoundation:everest:2025.7.0:-:*:*:*:*:*:*
cpe:2.3:o:linuxfoundation:everest:2025.7.0:rc1:*:*:*:*:*:*
cpe:2.3:o:linuxfoundation:everest:2025.7.0:rc1:*:*:*:*:*:*
cpe:2.3:o:linuxfoundation:everest:2025.8.0:*:*:*:*:*:*:*
cpe:2.3:o:linuxfoundation:everest:2025.8.0:*:*:*:*:*:*:*
cpe:2.3:o:linuxfoundation:everest:2025.9.0:*:*:*:*:*:*:*
cpe:2.3:o:linuxfoundation:everest:2025.9.0:*:*:*:*:*:*:*
cpe:2.3:o:linuxfoundation:everest:2025.10.0:*:*:*:*:*:*:*
cpe:2.3:o:linuxfoundation:everest:2025.10.0:*:*:*:*:*:*:*
cpe:2.3:o:linuxfoundation:everest:2025.12.0:*:*:*:*:*:*:*
cpe:2.3:o:linuxfoundation:everest:2025.12.0:*:*:*:*:*:*:*
cpe:2.3:o:linuxfoundation:everest:2025.12.1:*:*:*:*:*:*:*
cpe:2.3:o:linuxfoundation:everest:2025.12.1:*:*:*:*:*:*:*

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