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TI-2026-22166 Aliases CVE-2026-27813

EVerest has use-after-free in auth timeout timer via race condition

Priority LOW 23CWE-416Published · Updated

Key facts

Attack vector
Physical
Privileges required
None
User interaction
None
Attack complexity
High
Impact type
—
Confidentiality · integrity · availability
Low · Low · High
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA.

Summary

EVerest is an EV charging software stack. Versions prior to 2026.02.0 have a data race leading to use-after-free. This is triggered by EV plug-in/unplug and RFID/RemoteStart/OCPP authorization events (or delayed authorization response). Version 2026.2.0 contains a patch.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00131 2nd percentileScored 2026-11-07
Fix Fixed everest-core (EVerest): 2026.02.0

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
EVeresteverest-corebefore 2026.02.02026.02.0Patch availableCNA
  • everest-core VendorEVerest Affected before 2026.02.0 Fixed in 2026.02.0 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:o:linuxfoundation:everest:*:*:*:*:*:*:*:*before 2026.02.0Vulnerablebackstage
  • cpe:2.3:o:linuxfoundation:everest:*:*:*:*:*:*:*:* Versions before 2026.02.0 Vulnerable ·backstage

Remediation

  • Fix · CNA everest-core (EVerest) Fixed in 2026.02.0

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-27813

References

Advisory 1

  • TI-2026-25456 EVerest: MQTT Switch-Phases Command Data Race Causing Charger State Corruptio CVSS 3.1HIGH 8.2
  • TI-2024-24822 EVerest has an integer overflow in the "v2g_incoming_v2gtp" function CVSS 3.1CRITICAL 9.1
  • TI-2026-18308 EVerest's unchecked SLAC payload length causes stack overflow in HomeplugMessage::setup_payload CVSS 3.1HIGH 8.8
  • TI-2026-19334 EVerest has stack buffer overflow in ifreq.ifr_name when interface name exceeds IFNAMSIZ CVSS 3.1HIGH 8.4
  • TI-2026-18154 EVerest has off-by-one stack buffer overflow in IsoMux certificate filename parsing CVSS 3.1HIGH 8.4
  • TI-2025-41718 EVerest's Integer Overflow and Signed to Unsigned conversion lead to either stack buffer overflow or infinite loop CVSS 3.1HIGH 8.4
See all 33 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences