GHSA-j84w-jfhq-vhvj CVE-2026-102675

Electron: File and HTTP protocol handlers allow cross-origin reads without corsEnabled

High npm

Severity: 7.4 / 10; High · CVSS 3.1
Exploit chance (EPSS): 0.21%; Chance of exploitation in the next 30 days. Higher than 11.75% of scored vulnerabilities.
Known exploited: No; Not in CISA's catalog
Weakness: CWE-346 Origin Validation Error
Fix: 41.10.6; Upgrade electron to this version or later

Description

Impact

Responses served through protocol.registerFileProtocol or protocol.registerHttpProtocol for a custom scheme registered with supportFetchAPI: true but without corsEnabled: true could be read cross-origin by web content. This completes the fix for CVE-2026-70604.

Apps are only affected if they register such a scheme, serve it through one of those handlers, and load untrusted content. Apps that set corsEnabled: true, or that do not load untrusted content, are not affected.

Workarounds

Set corsEnabled: true on the scheme, or do not load untrusted content in windows that can reach it.

Fixed Versions

44.0.0-beta.5
43.4.1
42.9.2
41.10.6

For more information

If you have any questions or comments about this advisory, email us at security@electronjs.org

Affected versions

npm

Package	Vulnerable	Fixed in
electron	`< 41.10.6`	`41.10.6`
electron	`>= 42.0.0-alpha.1, < 42.9.2`	`42.9.2`
electron	`>= 43.0.0-alpha.1, < 43.4.1`	`43.4.1`
electron	`>= 44.0.0-alpha.1, < 44.0.0-beta.5`	`44.0.0-beta.5`

How to fix

Move to the fixed version or later with your package manager, update the lockfile, and run your tests. If the package only arrives through another dependency, upgrade that dependency first. If none of its releases pulls a fixed version yet, force the version with your package manager's override.

electron npm → `41.10.6`

npm

npm install electron@41.10.6

yarn

yarn add electron@41.10.6

pnpm

pnpm add electron@41.10.6

Severity breakdown

CVSS 3.1 7.4

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N

Attack vector: Network
Attack complexity: Low
Privileges required: None
User interaction: Required
Scope: Changed
Confidentiality: High
Integrity: None
Availability: None

Weakness

CWE-346: Origin Validation Error

The product does not properly verify that the source of data or communication is valid.

References

Packages

github.com/electron/electron

Timeline

Sep 29, 2026 Published
Oct 27, 2026 Last updated by the source
Oct 31, 2026 Latest EPSS score

Advisory	Severity	Why it's related
GHSA-qqvq-6xgj-jw8g Electron affected by libvpx's heap buffer overflow in vp8 encoding	High Known exploited	Also affects electron
GHSA-j7hp-h8jx-5ppr libwebp: OOB write in BuildHuffmanTable	High Known exploited	Also affects electron
GHSA-995f-9x5r-2rcj Heap buffer overflow in GPU	Critical Known exploited	Also affects electron
GHSA-jr5w-w6x2-84p9 Electron: Mitigation for compromised eMudhra intermediate certificates	High	Also affects electron
GHSA-h3v5-h239-pg29 Electron: Off-screen rendering on macOS trusts GPU-supplied frame geometry	Low	Also affects electron
GHSA-3qxv-5xgr-q7w9 Electron: Frame subscription trusts GPU-supplied frame geometry	Low	Also affects electron
GHSA-997q-gvvc-jwmx Electron: openExternal permission requests can be attributed to the wrong origin	Medium	Also affects electron
GHSA-fw47-9c62-h3vw Electron: HID and USB permission checks can be attributed to the wrong origin	Medium	Also affects electron

Is this in your code?

MergeHarbor checks every repository's dependencies against this database, ranks what matters by exploitability and reachability, routes it to the owning team and opens the fix pull request.

Check your repos with MergeHarbor