CVE-2026-34780

mediumPriorität · verfolgen · 24OT-Risiko · erhöhtEPSS 0.003 · 26. PerzentilEUUS
grimoire priorityP3 · Track
Exploitable?
—
no known exploitation
Likely / severe?
0.33% (26th) EPSS
CVSS 6.1 · medium
Is it mine?
9 products
Prüfe deine Angriffsfläche
Who says so?
4 sources
cnnvd · enisa_euvd · nvd · osv

EPSS · bewertet 2026-10-27

Electron is a framework for writing cross-platform desktop applications using JavaScript, HTML and CSS. From versions 39.0.0-alpha.1 to before 39.8.0, 40.0.0-alpha.1 to before 40.7.0, and 41.0.0-alpha.1 to before 41.0.0-beta.8, apps that pass VideoFrame objects (from the WebCodecs API) across the contextBridge are vulnerable to a context isolation bypass. An attacker who can execute JavaScript in the main world (for example, via XSS) can use a bridged VideoFrame to gain access to the isolated world, including any Node.js APIs exposed to the preload script. Apps are only affected if a preload script returns, resolves, or passes a VideoFrame object to the main world via contextBridge.exposeInMainWorld(). Apps that do not bridge VideoFrame objects are not affected. This issue has been patched in versions 39.8.0, 40.7.0, and 41.0.0-beta.8.

01

cvss

Technischer Schweregrad, 0–10. Eine Zeile je Quelle.

8.4
010

Basiswert 0–10 · höher = schwerwiegender · Vektor überfahren zum Auflösen⚠ Quellen uneinig · medium–high · 5.6–8.4

v3.16.1mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:Nprimary · NVD / NIST USAusnutzbarkeit 2.8 · Auswirkung 2.7
v3.18.4highCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:Hsecondary · ENISA EU
v3.18.3highCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:Hsecondary · security-advisories@github.comAusnutzbarkeit 1.6 · Auswirkung 6
v3.18highCVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:HsecondaryAusnutzbarkeit 1.3 · Auswirkung 6
v3.18.3highCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:Hsecondary · OSV
v3.15.6mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:Usecondary · CVSS-BT (t0sche)
02

SSVC

Eine Handlungsentscheidung — aus Ausnutzung und Auswirkung.

Exploitation: none · Automatable: no · Technical Impact: totalcoordinatorcisa_ssvcUS
03

schwächen

Die CWE-Schwächeklassen, zu denen dies gehört.

CWE-1188USCWE-1188USCWE-501USCWE-668USCWE-668US
04

betroffene Produkte (9)

Betroffene Produkte und Versionsbereiche.

05

Advisories (1)

Hersteller- und Ökosystem-Meldungen dazu.

  • GHSA-jfqg-hf23-qpw2Electron: Context Isolation bypass via contextBridge VideoFrame transfer2026-04-03ghsa · osvUS

    ### Impact Apps that pass `VideoFrame` objects (from the WebCodecs API) across the `contextBridge` are vulnerable to a context isolation bypass. An attacker who can execute JavaScript in the main world (for example, via XSS) can use a bridged `VideoFrame` to gain access to the isolated world, including any Node.js APIs exposed to the preload script. Apps are only affected if a preload script returns, resolves, or passes a `VideoFrame` object to the main world via `contextBridge.exposeInMainWorld()`. Apps that do not bridge `VideoFrame` objects are not affected. ### Workarounds Do not pass `VideoFrame` objects across `contextBridge`. If an app needs to transfer video frame data, serialize it to an `ArrayBuffer` or `ImageBitmap` before bridging. ### Fixed Versions * `41.0.0-beta.8` * `40.7.0` * `39.8.0` ### For more information If there are any questions or comments about this advisory, please email [security@electronjs.org](mailto:security@electronjs.org)

06

auch bekannt als (3)

Weitere Namen und Kennungen dieser Entität.

07

quellen

Welche Quellen diesen Datensatz belegen und wann.

cnnvdenisa_euvdnvdosvNVDCVE.orgMITRE
veröffentlicht 2026-04-04geändert 2026-07-24
08

Referenzen (7)

Externe Belege — Patches, Meldungen, Analysen.

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