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Update dependency electron-updater to v6 [SECURITY] - #271

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Update dependency electron-updater to v6 [SECURITY]#271
renovate[bot] wants to merge 1 commit into
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renovate/npm-electron-updater-vulnerability

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@renovate renovate Bot commented Aug 26, 2026

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This PR contains the following updates:

Package Change Age Confidence
electron-updater (source) 4.3.46.3.0 age confidence

electron-updater Code Signing Bypass on Windows

CVE-2024-39698 / GHSA-9jxc-qjr9-vjxq

More information

Details

Observations

The file packages/electron-updater/src/windowsExecutableCodeSignatureVerifier.ts implements the signature validation routine for Electron applications on Windows. It executes the following command in a new shell (process.env.ComSpec on Windows, usually C:\Windows\System32\cmd.exe):

https://github.com/electron-userland/electron-builder/blob/140e2f0eb0df79c2a46e35024e96d0563355fc89/packages/electron-updater/src/windowsExecutableCodeSignatureVerifier.ts#L35-L41

Because of the surrounding shell, a first pass by cmd.exe expands any environment variable found in command-line above.

Exploitation

This creates a situation where verifySignature() can be tricked into validating the certificate of a different file than the one that was just downloaded. If the step is successful, the malicious update will be executed even if its signature is invalid.

Impact

This attack assumes a compromised update manifest (server compromise, Man-in-the-Middle attack if fetched over HTTP, Cross-Site Scripting to point the application to a malicious updater server, etc.).

Patch

This vulnerability was patched in #​8295, by comparing the path in the output of Get-AuthenticodeSignature with the intended one. The patch is available starting from 6.3.0-alpha.6.

Severity

  • CVSS Score: 7.7 / 10 (High)
  • Vector String: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

References

This data is provided by the GitHub Advisory Database (CC-BY 4.0).


Release Notes

electron-userland/electron-builder (electron-updater)

v6.3.0

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v6.2.1

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v6.2.0

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v6.1.9

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v6.1.8

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v6.1.7

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v6.1.6

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  • Updated dependencies [549d07b0]:
    • builder-util-runtime@​9.2.2

v6.1.5

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  • #​7767 21f3069c Thanks @​jackple! - fix: When error code is ENOENT, try to use electron.shell.openPath to run installer on Windows

v6.1.4

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v6.1.3

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v6.1.2

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v6.1.1

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v6.1.0

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v6.0.4

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v6.0.3

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  • #​7524 1a134800 Thanks @​NoahAndrews! - Fixed error handling when launching updater (fixes NSIS updates when isAdminRightsRequired is incorrectly set to false)

v6.0.2

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v6.0.1

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v6.0.0

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v5.3.0

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v5.2.4

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v5.2.3

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v5.2.2

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  • Updated dependencies [e7179b57]:
    • builder-util-runtime@​9.1.0

v5.2.1

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v5.2.0

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  • #​6907 e7f28677 Thanks @​panther7! - Add installDir property for NsisUpdater. Now is it posible change install folder from AppUpdater.

v5.1.0

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  • #​6975 8279d053 Thanks @​ezekg! - Fix artifact conflicts for Keygen provider when multiple artifacts share the same filename across products.

  • Updated dependencies [adeaa347]:

    • builder-util-runtime@​9.0.3

v5.0.6

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v5.0.5

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v5.0.4

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v5.0.3

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v5.0.2

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  • 9a7ed436 - chore: updating dependency tree

  • Updated dependencies [9a7ed436]:

    • builder-util-runtime@​9.0.1

v5.0.1

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v5.0.0

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  • #​6589 633ee5dc Thanks @​devinbinnie! - - Removed backtick escaping for Windows code signing as it is unnecessary for Powershell and can cause the script to attempt to access the wrong file
    • Updated the proxy filename to be more secure (512-bit string)
  • #​6616 86e6d150 Thanks @​mmaietta! - fix(updater): Remove checks for app-update.yml when auto-updates are not supported

  • Updated dependencies [a138a86f]:

    • builder-util-runtime@​9.0.0

v4.6.5

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v4.6.4

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v4.6.3

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v4.6.2

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v4.6.1

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  • Updated dependencies [54ee4e72]:
    • builder-util-runtime@​8.9.1

v4.6.0

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  • Updated dependencies [a9453216]:
    • builder-util-runtime@​8.9.0

v4.5.2

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v4.5.1

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  • Updated dependencies [7f933d00]:
    • builder-util-runtime@​8.8.1

v4.5.0

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  • Updated dependencies [f45110cb]:
    • builder-util-runtime@​8.8.0

v4.4.6

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  • a3c72b2: fix(electron-updater): workaround vite's process.env.* replacement
  • ca0e845: fix(electron-updater): null object error when MacUpdater attempts to log the server port before it is listening

v4.4.5

Patch Changes
  • a3f2cd1: fix(electron-updater): default import throws error for fs and path leading to always requiring elevation
  • ae363e5: fix: removing data from error being thrown. It's unnecessary and also unnecessarily large to be passing to the console. Resolves: #​6131

v4.4.4

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  • ae81dfa: fix(electron-updater): small cleanup and add more debug logging for MacUpdater to investigate #​6120

v4.4.3

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  • a4eae34: Synchronizing CLI and package.json versions. Updating auto-publish values + changeset generation to be more frictionless
  • Updated dependencies [a4eae34]
    • builder-util-runtime@​8.7.10

v4.4.2

Patch Changes
  • 878671d: Updating patch number as many deps were updated as parted of RenovateBot integration
  • Updated dependencies [878671d]
    • builder-util-runtime@​8.7.9

v4.4.1

Patch Changes
  • 1272afc: Initial introduction of changset config
  • Updated dependencies [1272afc]
    • builder-util-runtime@​8.7.8
Bug Fixes
  • Remove dependency on pako module, use native API instead.

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