{"id":"CVE-2026-27814","aliases":["EUVD-2026-16222","GHSA-5528-wc53-v557"],"status":"published","title":"EVerest EvseManager phase-switch path has unsynchronized shared-state access race condition","description":"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.","severity":{"version":"3.1","score":4.2,"vector":"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:L","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00133,"percentile":0.02897,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-362"],"published":"2026-03-26T16:27:54Z","modified":"2026-10-28T02:30:33Z","products":[{"vendor":"everest","product":"everest-core"},{"vendor":"linuxfoundation","product":"everest"}],"references":[{"url":"https://github.com/EVerest/EVerest/security/advisories/GHSA-5528-wc53-v557","tags":["x_refsource_CONFIRM","Vendor Advisory","advisory"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/27xxx/CVE-2026-27814.json","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-27814","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2026-27814","title":"EVerest EvseManager phase-switch path has unsynchronized shared-state access race condition","description":"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.","status":"published","published":"2026-03-26T16:27:54.306Z","modified":"2026-03-26T18:50:34.592Z","cvss":[{"version":"3.1","score":4.2,"vector":"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:L","level":"medium","assessor":"cna"}],"cwes":["CWE-362"],"updated_at":"2026-11-02T14:19:48.826324Z"}],"euvd":[{"id":"EUVD-2026-16222","description":"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.","status":"published","published":"2026-03-26T16:27:54Z","modified":"2026-03-26T18:50:34Z","cvss":[{"version":"3.1","score":4.2,"vector":"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:L","level":"medium"}],"updated_at":"2026-11-02T19:25:28.18595Z"}],"nvd":[{"id":"CVE-2026-27814","description":"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.","status":"published","published":"2026-03-26T17:16:33.91Z","modified":"2026-06-17T10:27:43.827Z","cvss":[{"version":"3.1","score":4.2,"vector":"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:L","level":"medium","assessor":"secondary"},{"version":"3.1","score":4.2,"vector":"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:L","level":"medium","assessor":"primary"}],"cwes":["CWE-362"],"updated_at":"2026-11-02T14:12:11.678711Z"}],"osv":[{"id":"CVE-2026-27814","title":"EVerest EvseManager phase-switch path has unsynchronized shared-state access race condition","description":"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.","status":"published","published":"2026-03-26T16:27:54.306Z","modified":"2026-10-28T02:30:33.621557457Z","cvss":[{"version":"3.1","score":4.2,"vector":"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:L","level":"medium"}],"cwes":["CWE-362"],"updated_at":"2026-11-02T15:45:00.180685Z"}]}}