CVE-2026-27814
EVerest EvseManager phase-switch path has unsynchronized shared-state access race condition
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.
Attack profile
How easy it is to exploit
- Attack vector
- Adjacent network
- Complexity
- High
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- Low
- Availability
- Low
Exploit likelihood
What each source reports
CVE List Score used
EVerest EvseManager phase-switch path has unsynchronized shared-state access race condition
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.
- Record
CVE-2026-27814- CVSS 3.1
- 4.2 Medium
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:L - Weakness
- CWE-362
- Updated
- 2026-11-02
EUVDEUVD-2026-16222
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.
- Record
EUVD-2026-16222- CVSS 3.1
- 4.2 Medium
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:L - Updated
- 2026-11-02
NVD
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.
- Record
CVE-2026-27814- CVSS 3.1
- 4.2 Medium
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:L - Weakness
- CWE-362
- Updated
- 2026-11-02
OSV
EVerest EvseManager phase-switch path has unsynchronized shared-state access race condition
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.
- Record
CVE-2026-27814- CVSS 3.1
- 4.2 Medium
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:L - Weakness
- CWE-362
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-27814 is a medium vulnerability (CVSS 4.2) in Linuxfoundation Everest, published March 26, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.14%, the 3rd percentile. No source names a fixed version.