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Vulnerability details: VCID-rcpz-szwh-h7gk
Vulnerability ID VCID-rcpz-szwh-h7gk
Aliases CVE-2026-34765
GHSA-f3pv-wv63-48x8
Summary Electron: Named window.open targets not scoped to the opener's browsing context
Status Published
Exploitability 0.5
Weighted Severity 6.4
Risk 3.2
Affected and Fixed Packages Package Details
Weaknesses (2)
CWE-668 Exposure of Resource to Wrong Sphere
CWE-653 Improper Isolation or Compartmentalization
System Score Found at
cvssv3 7.1 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-34765.json
epss 0.00022 https://api.first.org/data/v1/epss?cve=CVE-2026-34765
epss 0.00022 https://api.first.org/data/v1/epss?cve=CVE-2026-34765
epss 0.00022 https://api.first.org/data/v1/epss?cve=CVE-2026-34765
epss 0.00022 https://api.first.org/data/v1/epss?cve=CVE-2026-34765
epss 0.00022 https://api.first.org/data/v1/epss?cve=CVE-2026-34765
epss 0.00051 https://api.first.org/data/v1/epss?cve=CVE-2026-34765
epss 0.00051 https://api.first.org/data/v1/epss?cve=CVE-2026-34765
epss 0.00051 https://api.first.org/data/v1/epss?cve=CVE-2026-34765
epss 0.00051 https://api.first.org/data/v1/epss?cve=CVE-2026-34765
epss 0.00057 https://api.first.org/data/v1/epss?cve=CVE-2026-34765
epss 0.00057 https://api.first.org/data/v1/epss?cve=CVE-2026-34765
epss 0.00057 https://api.first.org/data/v1/epss?cve=CVE-2026-34765
cvssv3.1_qr MODERATE https://github.com/advisories/GHSA-f3pv-wv63-48x8
cvssv3.1 6.0 https://github.com/electron/electron
generic_textual MODERATE https://github.com/electron/electron
cvssv3.1 6.0 https://github.com/electron/electron/releases/tag/v39.8.5
generic_textual MODERATE https://github.com/electron/electron/releases/tag/v39.8.5
cvssv3.1 6.0 https://github.com/electron/electron/releases/tag/v40.8.5
generic_textual MODERATE https://github.com/electron/electron/releases/tag/v40.8.5
cvssv3.1 6.0 https://github.com/electron/electron/releases/tag/v41.1.0
generic_textual MODERATE https://github.com/electron/electron/releases/tag/v41.1.0
cvssv3.1 6.0 https://github.com/electron/electron/releases/tag/v42.0.0-alpha.5
generic_textual MODERATE https://github.com/electron/electron/releases/tag/v42.0.0-alpha.5
cvssv3.1 6 https://github.com/electron/electron/security/advisories/GHSA-f3pv-wv63-48x8
cvssv3.1 6.0 https://github.com/electron/electron/security/advisories/GHSA-f3pv-wv63-48x8
cvssv3.1_qr MODERATE https://github.com/electron/electron/security/advisories/GHSA-f3pv-wv63-48x8
generic_textual MODERATE https://github.com/electron/electron/security/advisories/GHSA-f3pv-wv63-48x8
ssvc Track https://github.com/electron/electron/security/advisories/GHSA-f3pv-wv63-48x8
ssvc Track https://github.com/electron/electron/security/advisories/GHSA-f3pv-wv63-48x8
cvssv3.1 6.0 https://nvd.nist.gov/vuln/detail/CVE-2026-34765
generic_textual MODERATE https://nvd.nist.gov/vuln/detail/CVE-2026-34765
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-34765.json
https://api.first.org/data/v1/epss?cve=CVE-2026-34765
https://github.com/electron/electron
https://github.com/electron/electron/releases/tag/v39.8.5
https://github.com/electron/electron/releases/tag/v40.8.5
https://github.com/electron/electron/releases/tag/v41.1.0
https://github.com/electron/electron/releases/tag/v42.0.0-alpha.5
https://nvd.nist.gov/vuln/detail/CVE-2026-34765
2456278 https://bugzilla.redhat.com/show_bug.cgi?id=2456278
GHSA-f3pv-wv63-48x8 https://github.com/advisories/GHSA-f3pv-wv63-48x8
GHSA-f3pv-wv63-48x8 https://github.com/electron/electron/security/advisories/GHSA-f3pv-wv63-48x8
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-34765.json
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:L Found at https://github.com/electron/electron
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:L Found at https://github.com/electron/electron/releases/tag/v39.8.5
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:L Found at https://github.com/electron/electron/releases/tag/v40.8.5
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:L Found at https://github.com/electron/electron/releases/tag/v41.1.0
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:L Found at https://github.com/electron/electron/releases/tag/v42.0.0-alpha.5
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:L Found at https://github.com/electron/electron/security/advisories/GHSA-f3pv-wv63-48x8
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:L Found at https://github.com/electron/electron/security/advisories/GHSA-f3pv-wv63-48x8
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: SSVCv2/E:N/A:N/T:T/P:M/B:A/M:M/D:T/2026-04-09T03:56:10Z/ Found at https://github.com/electron/electron/security/advisories/GHSA-f3pv-wv63-48x8
Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2026-04-08T14:30:47Z/ Found at https://github.com/electron/electron/security/advisories/GHSA-f3pv-wv63-48x8
Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:L Found at https://nvd.nist.gov/vuln/detail/CVE-2026-34765
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Exploit Prediction Scoring System (EPSS)
Percentile 0.06084
EPSS Score 0.00022
Published At April 21, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-04-07T21:20:04.784231+00:00 GHSA Importer Import https://github.com/advisories/GHSA-f3pv-wv63-48x8 38.1.0