{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-102677","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","state":"PUBLISHED","assignerShortName":"GitHub_M","dateReserved":"2026-09-29T16:10:04.075Z","datePublished":"2026-09-29T17:43:26.960Z","dateUpdated":"2026-09-29T17:43:26.960Z"},"containers":{"cna":{"title":"Electron: Sandboxed preload code cache can be poisoned by a compromised renderer","problemTypes":[{"descriptions":[{"cweId":"CWE-20","lang":"en","description":"CWE-20: Improper Input Validation","type":"CWE"}]},{"descriptions":[{"cweId":"CWE-345","lang":"en","description":"CWE-345: Insufficient Verification of Data Authenticity","type":"CWE"}]}],"metrics":[{"cvssV3_1":{"attackComplexity":"HIGH","attackVector":"LOCAL","availabilityImpact":"HIGH","baseScore":7.8,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H","version":"3.1"}}],"references":[{"name":"https://github.com/electron/electron/security/advisories/GHSA-qmv3-fv6v-rmhq","tags":["x_refsource_CONFIRM"],"url":"https://github.com/electron/electron/security/advisories/GHSA-qmv3-fv6v-rmhq"},{"name":"https://github.com/electron/electron/pull/52480","tags":["x_refsource_MISC"],"url":"https://github.com/electron/electron/pull/52480"},{"name":"https://github.com/electron/electron/commit/000453e399bd1dee5e86376cdd9ece5fc071e601","tags":["x_refsource_MISC"],"url":"https://github.com/electron/electron/commit/000453e399bd1dee5e86376cdd9ece5fc071e601"},{"name":"https://github.com/electron/electron/commit/25ba8be57c65a83d8c14ebb8aa37693df17a04f3","tags":["x_refsource_MISC"],"url":"https://github.com/electron/electron/commit/25ba8be57c65a83d8c14ebb8aa37693df17a04f3"},{"name":"https://github.com/electron/electron/commit/c38d6fd68756f04647ea857bdb6a2abec332e217","tags":["x_refsource_MISC"],"url":"https://github.com/electron/electron/commit/c38d6fd68756f04647ea857bdb6a2abec332e217"},{"name":"https://github.com/electron/electron/releases/tag/v42.10.0","tags":["x_refsource_MISC"],"url":"https://github.com/electron/electron/releases/tag/v42.10.0"},{"name":"https://github.com/electron/electron/releases/tag/v43.5.0","tags":["x_refsource_MISC"],"url":"https://github.com/electron/electron/releases/tag/v43.5.0"},{"name":"https://github.com/electron/electron/releases/tag/v44.0.0-beta.6","tags":["x_refsource_MISC"],"url":"https://github.com/electron/electron/releases/tag/v44.0.0-beta.6"}],"affected":[{"vendor":"electron","product":"electron","versions":[{"version":">= 42.3.3, < 42.10.0","status":"affected"},{"version":">= 43.0.0-beta.1, < 43.5.0","status":"affected"},{"version":">= 44.0.0-alpha.1, < 44.0.0-beta.6","status":"affected"}]}],"providerMetadata":{"orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","shortName":"GitHub_M","dateUpdated":"2026-09-29T17:43:26.960Z"},"descriptions":[{"lang":"en","value":"Electron is a framework for writing cross-platform desktop applications using JavaScript, HTML and CSS. From 42.3.3 until 42.10.0, 43.5.0, and 44.0.0-beta.6, Electron's sandboxed preload code cache did not verify that a cached entry matched the preload it was served for. A compromised renderer could write attacker-controlled cache data and cause Electron to reuse it for a later load, executing the renderer's code in the more privileged preload context. The issue affects applications that load untrusted content. This issue is fixed in versions 42.10.0, 43.5.0, and 44.0.0-beta.6."}],"source":{"advisory":"GHSA-qmv3-fv6v-rmhq","discovery":"UNKNOWN"}}}}