CVE-2026-123208
noname Electron desktop build v1.11.2 through v1.11.6.1 contains an unauthenticated local file…
- Risk score
- 58/100
- CVSS
- 8.8 v3.1
- Published
- 5 Nov 2026
Open in the live forecast Today's forecast
What to know
- What it is
- 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, executin…
- Affected
- See advisory
- Fix
- Apply the vendor's security update; see the linked advisory.
- Exploitation
- No known exploitation
Why it is Yellow
- CVSS 8.8 high
- Remotely exploitable without logging in
References
- https://github.com/libnoname/noname/blob/0b7e4be4b6ef64ab8579b2ffc643a2a626e4fede/apps/electron/app/main.ts#L6-L13
- https://github.com/libnoname/noname/blob/0b7e4be4b6ef64ab8579b2ffc643a2a626e4fede/packages/fs/src/index.ts#L71-L74
- https://github.com/libnoname/noname/commit/b5793c5abdc957a3a2c0ad44abfc4849f3ac3219
- https://github.com/libnoname/noname/issues/4524
- https://github.com/libnoname/noname/pull/4606
- https://www.vulncheck.com/advisories/noname-1.11.2-through-1.11.6.1-missing-authentication-in-electron-local-file-server
Original description
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.
Last activity 5 Nov 2026. Patch Forecast updates every hour.