Medium severity · published Mar 26, 2026
CVE-2026-27813
EVerest has use-after-free in auth timeout timer via race condition
5.3
CVSS
0.1%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:H
Attack vector
Physical
Complexity
High
Privileges
None
User interaction
None
Confidentiality
Low
Integrity
Low
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.1% · higher than 3% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
EV
everest-core · EVerest
< 2026.02.0 · source: vendor
EV
Everest · Linuxfoundation
before 2026.02.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-27813
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-27813
Vendor Advisory
https://github.com/EVerest/EVerest/security/advisories/GHSA-vgmh-mmg3-22m6
More from everest-core
9.1
CVE-2026-27816
EVerest's ISO15118 update_energy_transfer_modes overflow can corrupt EVSE state
9.1
CVE-2026-27815
EVerest: ISO15118 session_setup payment options overflow can corrupt EVSE state
8.8
CVE-2026-22790
EVerest's unchecked SLAC payload length causes stack overflow in HomeplugMessage::setup_payload
7.8
CVE-2026-23995
EVerest has stack buffer overflow in ifreq.ifr_name when interface name exceeds IFNAMSIZ
7.8
CVE-2026-22593
EVerest has off-by-one stack buffer overflow in IsoMux certificate filename parsing
