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CVE-2026-27815

EVerest is an EV charging software stack. Prior to versions to 2026.02.0, ISO15118_chargerImpl::handle_session_setup copies a variable-length payment_options list into a fixed-size array of length 2 without bounds checking. With schema validation disabled by default, oversized MQTT Cmd payloads can trigger out-of-bounds writes and corrupt adjacent EVSE state or crash the process. Version 2026.02.0 contains a patch.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:782cd1223ef888b83cd57c7fce55803a7506b42b8498e03ad9513f8839133aed
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0

Affected products and versions

1 source assertion
{"product":"everest-core","vendor":"EVerest","versions":[{"status":"affected","version":"< 2026.02.0"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:f4111507136e7c408832ae0d6f106210dc89614e084e1385f5014b4674baf285 · sha256:0cf90bee789c2d75… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"LOCAL","baseScore":5.5,"baseSeverity":"MEDIUM","privilegesRequired":"NONE","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","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","vulnAvailabilityImpact":"HIGH","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"NONE"},"metric_type":"cvssV4_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:f4111507136e7c408832ae0d6f106210dc89614e084e1385f5014b4674baf285 · sha256:0cf90bee789c2d75… · /containers/cna/metrics/0/cvssV4_0

CWE assertions

1 source assertion
{"cweId":"CWE-787","description":"CWE-787: Out-of-bounds Write","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:f4111507136e7c408832ae0d6f106210dc89614e084e1385f5014b4674baf285 · sha256:0cf90bee789c2d75… · /containers/cna/problemTypes/0/descriptions/0

Source references

1 source assertion
{"name":"https://github.com/EVerest/EVerest/security/advisories/GHSA-7wmg-crc8-6xxf","tags":["x_refsource_CONFIRM"],"url":"https://github.com/EVerest/EVerest/security/advisories/GHSA-7wmg-crc8-6xxf"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:f4111507136e7c408832ae0d6f106210dc89614e084e1385f5014b4674baf285 · sha256:0cf90bee789c2d75… · /containers/cna/references/0

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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