CVE-2026-34776

A flaw was found in Electron, a framework for building desktop applications. On macOS and Linux, a local user could exploit an out-of-bounds heap read vulnerability by sending a specially crafted message to an Electron application that uses the app.requestSingleInstanceLock function. Apps that do...

CVE-2026-34776

creationtimestamp| type| source ---|---|--- 2026-04-04 05:24:34+00:00| seen| https://bsky.app/profile/cve.skyfleet.blue/post/3minin3cmxs2i...

@ascua/electron (>=0.8.0, <=0.18.0), @eltmon/panctl (0.7.2-canary.3) +10 more potentially affected by CVE-2026-34776 via electron (>=40.0.0, <=40.7.0)

electron NPM version =40.0.0, =0.8.0, =4.0.0, =0.30.0, =0.8.0, =1.1.0-rc-1, =1.0.0, =1.142.0, =0.1.5, =1.2.1, =2.0.4, =3.24.1 Source cves: CVE-2026-34776 Source advisory: OSV:GHSA-3C8V-CFP5-9885...

@ascua/electron (0.7.0), @lvce-editor/main-process (>=2.23.0, <=3.1.0) +27 more potentially affected by CVE-2026-34776 via electron (>=39.0.0, <=39.2.7)

electron NPM version =39.0.0, =2.23.0, =3.1.0 - @obsidian-typings/obsidian-catalyst-1.11.0 4.73.0 - @obsidian-typings/obsidian-catalyst-1.11.1 4.88.0 - @obsidian-typings/obsidian-catalyst-1.11.2 4.88.0 - @obsidian-typings/obsidian-catalyst-1.11.3 4.88.0 - @obsidian-typings/obsidian-catalyst-1.11....

@ascua/electron (0.7.0), @lvce-editor/main-process (>=2.23.0, <=3.1.0) +27 more potentially affected by CVE-2026-34776 via electron (>=39.0.0, <=39.2.7)

electron NPM version =39.0.0, =2.23.0, =3.1.0 - @obsidian-typings/obsidian-catalyst-1.11.0 4.73.0 - @obsidian-typings/obsidian-catalyst-1.11.1 4.88.0 - @obsidian-typings/obsidian-catalyst-1.11.2 4.88.0 - @obsidian-typings/obsidian-catalyst-1.11.3 4.88.0 - @obsidian-typings/obsidian-catalyst-1.11....

@ascua/electron (>=0.8.0, <=0.18.0), @eltmon/panctl (0.7.2-canary.3) +10 more potentially affected by CVE-2026-34776 via electron (>=40.0.0, <=40.7.0)

electron NPM version =40.0.0, =0.8.0, =4.0.0, =0.30.0, =0.8.0, =1.1.0-rc-1, =1.0.0, =1.142.0, =0.1.5, =1.2.1, =2.0.4, =3.24.1 Source cves: CVE-2026-34776 Source advisory: SNYK:JS-ELECTRON-15876361...

@assemblerjs/electron (>=0.9.0, <=0.9.6), @easylayer/common (>=1.0.0, <=1.4.0) +11 more potentially affected by CVE-2026-34776 via electron (>=38.0.0, <=38.6.0)

electron NPM version =38.0.0, =0.9.0, =1.0.0, =1.0.0, =0.1.0, =0.1.0, =2.19.0, =0.23.0, =0.4.1, =0.0.0-staging-2323fc3, =0.0.117, =0.0.120 - mcp-interactive 0.2.1 Source cves: CVE-2026-34776 Source advisory: SNYK:JS-ELECTRON-15876361...

@assemblerjs/electron (>=0.9.0, <=0.9.6), @easylayer/common (>=1.0.0, <=1.4.0) +11 more potentially affected by CVE-2026-34776 via electron (>=38.0.0, <=38.6.0)

electron NPM version =38.0.0, =0.9.0, =1.0.0, =1.0.0, =0.1.0, =0.1.0, =2.19.0, =0.23.0, =0.4.1, =0.0.0-staging-2323fc3, =0.0.117, =0.0.120 - mcp-interactive 0.2.1 Source cves: CVE-2026-34776 Source advisory: OSV:GHSA-3C8V-CFP5-9885...