CVE-2026-114121: electron · Origin Validation Error
Affects electronSource CVE Database V5
Not known to be exploited · CVSS 5.4 Medium · fixed in 45.0.0-alpha.5 : update electron when convenient.
Data as of 26 Oct 2026, 13:47 UTC
- EPSS
- 0.2% chance of exploitation in 30 days – higher than 12% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- Patch
- Available – fixed in 45.0.0-alpha.5, 44.3.0, 43.7.0 +1
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:NExploitation evidence
Disclosed: evidence found.
CVE published 21 Oct 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.
What to do
Upgrade electron to 45.0.0-alpha.5, 44.3.0, 43.7.0 or 42.11.3.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| electronelectron | Affected
| Fixed in
|
| electronelectron | Affected
| Fixed in
|
| electronelectron | Affected
| Fixed in
|
| electronelectron | Affected
| Fixed in
|
Description
Electron is a framework for writing cross-platform desktop applications using JavaScript, HTML and CSS. Prior to versions 42.11.3, 43.7.0, 44.3.0, and 45.0.0-alpha.5, requests to open external protocol URLs could be attributed to a document other than the one that initiated them, causing the requestingUrl passed to session.setPermissionRequestHandler to identify trusted content for a launch requested by untrusted content. An application that grants openExternal based on the requesting origin and allows untrusted content to open or navigate windows could therefore allow that content to launch an OS-registered external application. This issue is fixed in versions 42.11.3, 43.7.0, 44.3.0, and 45.0.0-alpha.5.
References
- github.com/electron/electron/security/advisories/GHSA-997q-gvvc-jwmx (opens in a new tab)
- github.com/electron/electron/pull/53682 (opens in a new tab)
- github.com/electron/electron/pull/53696 (opens in a new tab)
- github.com/electron/electron/pull/53697 (opens in a new tab)
- github.com/electron/electron/pull/53698 (opens in a new tab)
- github.com/electron/electron/pull/53699 (opens in a new tab)
- github.com/electron/electron/commit/25057643bf6d9a20bad69e45707551ccf546f5ce (opens in a new tab)
- github.com/electron/electron/commit/8aa5414f73792ed3b2e3f9ab6391b1832e6dc2c3 (opens in a new tab)
- github.com/electron/electron/commit/92a783952891805f2f82f344c40a6917b98a7d98 (opens in a new tab)
- github.com/electron/electron/commit/e0a20d5277b567aea8603f8e9852a4341407a586 (opens in a new tab)
- github.com/electron/electron/commit/e3a400911084537bce7380ffea8af939572ce8dd (opens in a new tab)
- github.com/electron/electron/releases/tag/v42.11.3 (opens in a new tab)
- github.com/electron/electron/releases/tag/v43.7.0 (opens in a new tab)
- github.com/electron/electron/releases/tag/v44.3.0 (opens in a new tab)
- github.com/electron/electron/releases/tag/v45.0.0-alpha.5 (opens in a new tab)