{"id":"CVE-2026-27828","state":"PUBLISHED","title":"EVerest: ISO15118 session_setup use-after-free can crash EVSE process","description":"EVerest is an EV charging software stack. Prior to version 2026.02.0, ISO15118_chargerImpl::handle_session_setup uses v2g_ctx after it has been freed when ISO15118 initialization fails (e.g., no IPv6 link-local address). The EVSE process can be crashed remotely by an attacker with MQTT access who issues a session_setup command while v2g_ctx has been released. Version 2026.02.0 contains a patch.","publishedAt":"2026-03-26T16:34:23.623Z","updatedAt":"2026-03-27T14:43:59.252Z","severity":{"score":5.5,"label":"Medium","version":"4.0","vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:P","source":"GitHub_M"},"assigner":"GitHub_M","products":["EVerest everest-core"],"affected":[{"vendor":"EVerest","product":"everest-core","versions":[{"version":"< 2026.02.0","status":"affected"}]}],"references":["https://github.com/EVerest/EVerest/security/advisories/GHSA-5g3v-qc79-qqwr"],"weaknesses":["CWE-416"],"ingestedAt":"2026-10-29T20:11:31.369Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/27xxx/CVE-2026-27828.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-27828","state":"PUBLISHED","datePublished":"2026-03-26T16:34:23.623Z","dateUpdated":"2026-03-27T14:43:59.252Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-02-24T02:32:39.800Z"},"containers":{"cna":{"title":"EVerest: ISO15118 session_setup use-after-free can crash EVSE process","descriptions":[{"lang":"en","value":"EVerest is an EV charging software stack. Prior to version 2026.02.0, ISO15118_chargerImpl::handle_session_setup uses v2g_ctx after it has been freed when ISO15118 initialization fails (e.g., no IPv6 link-local address). The EVSE process can be crashed remotely by an attacker with MQTT access who issues a session_setup command while v2g_ctx has been released. Version 2026.02.0 contains a patch."}],"affected":[{"vendor":"EVerest","product":"everest-core","versions":[{"version":"< 2026.02.0","status":"affected"}]}],"references":[{"url":"https://github.com/EVerest/EVerest/security/advisories/GHSA-5g3v-qc79-qqwr","name":"https://github.com/EVerest/EVerest/security/advisories/GHSA-5g3v-qc79-qqwr","tags":["x_refsource_CONFIRM"]}],"metrics":[{"cvssV4_0":{"attackVector":"LOCAL","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"NONE","userInteraction":"NONE","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"NONE","vulnAvailabilityImpact":"HIGH","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","baseScore":5.5,"baseSeverity":"MEDIUM","vectorString":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:P","version":"4.0"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-416","lang":"en","description":"CWE-416: Use After Free","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2026-03-26T16:41:54.931Z"},"source":{"advisory":"GHSA-5g3v-qc79-qqwr","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-03-27T14:43:31.476136Z","id":"CVE-2026-27828","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-03-27T14:43:59.252Z"}}]}}}