CVE-2026-123208: noname Electron desktop build v1.11.2 through v1.11.6.1 contains an unauthenticated local file server with wildcard CORS…
noname Electron desktop build v1.11.2 through v1.11.6.1 contains an unauthenticated local file server with wildcard CORS that allows malicious websites to read, overwrite, or delete installation files. Attackers can send cross-origin requests to /writeFile on localhost port 8089 to overwrite renderer scripts, executing JavaScript with Node.js access as the local user.
- Published by source
- 2026-11-05
- First seen by Reality Radar
- 2026-11-05
- Last verified
- 2026-11-05
What the official notice says
Risk: CVSS 8.8
Is this affecting you?
Add what you own or use and Reality Radar will tell you when official changes match it — with evidence and next steps.
Sources
- NIST National Vulnerability Database Tier A · official published 2026-11-05
Evidence ledger
Every piece of evidence we store is appended to a public hash chain, so later edits are detectable. Anyone can re-verify it.
| Entry | Kind | Observed | Evidence hash | Entry hash |
|---|---|---|---|---|
| #4208 | new | 2026-11-05 | 48452d0b1031…3dec2d | 755eeea62518…842021 |
Chain head: #4215 fb8076e66855…0877cd