CVE-2026-26074Public exploitNetwork attack vector

Charging-service crash via unlocked event queue callbacks

Published Mar 26, 2026 · Updated Mar 26, 2026

Race condition in EVerest Core before 2026.02.0 allows attackers to crash a charging station during OCPP201 startup. The OCPP201 firmware-update and log-status callbacks push into event_queue without session_event_mutex while startup error handlers concurrently modify the same map of queues under that lock. Exploitation requires a CSMS GetLog or UpdateFirmware request to coincide with a physical EVSE fault before startup completes; successful races corrupt memory or interrupt charging service.

CVSS severity7.0
High
EPSS probability0.14%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Race condition in EVerest Core before 2026.02.0 allows attackers to crash a charging station during OCPP201 startup. The OCPP201 firmware-update and log-status callbacks push into event_queue without session_event_mutex while startup error handlers concurrently modify the same map of queues under that lock. Exploitation requires a CSMS GetLog or UpdateFirmware request to coincide with a physical EVSE fault before startup completes; successful races corrupt memory or interrupt charging service.

The record

CVE
CVE-2026-26074
Published
Mar 26, 2026
Updated
Mar 26, 2026
Vendor
EVerest
Product
EVerest Core
Classifications
CWE-362, T0814, T1499.004
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Mar 26, 2026CVE publishedPublication date reported by the CVE source.
  2. Mar 26, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=< 2026.02.0

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

EVerest · EVerest Coreversion=< 2026.02.0

Published CVSS scores

7.0GitHub, Inc.CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-362Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
T0814Denial of Service
T1499.004Application or System Exploitation

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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