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CVE-2026-34777

Electron is a framework for writing cross-platform desktop applications using JavaScript, HTML and CSS. Prior to versions 38.8.6, 39.8.1, 40.8.1, and 41.0.0, when an iframe requests fullscreen, pointerLock, keyboardLock, openExternal, or media permissions, the origin passed to session.setPermissionRequestHandler() was the top-level page's origin rather than the requesting iframe's origin. Apps that grant permissions based on the origin parameter or webContents.getURL() may inadvertently grant pe
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:8872e3b292f018feb3ce5496a081fa67a85fba9667d5b79d09913c79e77f1687
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0

Affected products and versions

1 source assertion
{"product":"electron","vendor":"electron","versions":[{"status":"affected","version":"< 38.8.6"},{"status":"affected","version":">= 39.0.0-alpha.1, < 39.8.1"},{"status":"affected","version":">= 40.0.0-alpha.1, < 40.8.1"},{"status":"affected","version":">= 41.0.0-alpha.1, < 41.0.0"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:35184b449a3c7b63fec80b198f1d1aa9a2e5ac167d2bed46a8af7bf742bbd45c · sha256:8b12654bbcbe1a60… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":5.4,"baseSeverity":"MEDIUM","confidentialityImpact":"LOW","integrityImpact":"LOW","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:35184b449a3c7b63fec80b198f1d1aa9a2e5ac167d2bed46a8af7bf742bbd45c · sha256:8b12654bbcbe1a60… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion
{"cweId":"CWE-346","description":"CWE-346: Origin Validation Error","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:35184b449a3c7b63fec80b198f1d1aa9a2e5ac167d2bed46a8af7bf742bbd45c · sha256:8b12654bbcbe1a60… · /containers/cna/problemTypes/0/descriptions/0

Source references

1 source assertion
{"name":"https://github.com/electron/electron/security/advisories/GHSA-r5p7-gp4j-qhrx","tags":["x_refsource_CONFIRM"],"url":"https://github.com/electron/electron/security/advisories/GHSA-r5p7-gp4j-qhrx"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:35184b449a3c7b63fec80b198f1d1aa9a2e5ac167d2bed46a8af7bf742bbd45c · sha256:8b12654bbcbe1a60… · /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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