CVE-2026-33151
1 advisory.
npm/socket.io-parser CVE-2026-33151: high, EPSS 0.65%
socket.io allows an unbounded number of binary attachments
Action: Upgrade socket.io-parser to 3.3.5 or later.
npm i socket.io-parser@3.3.5npm i socket.io-parser@3.4.4npm i socket.io-parser@4.2.6Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 3.3.5 | - |
| 3.4.0 | 3.4.4 | - |
| 4.0.0 | 4.2.6 | - |
Fixed versions
| 3.3.5 | 3.4.4 | 4.2.6 |
Sources
- osv: GHSA-677m-j7p3-52f9
- https://github.com/socketio/socket.io/security/advisories/GHSA-677m-j7p3-52f9
- https://nvd.nist.gov/vuln/detail/CVE-2026-33151
- https://github.com/socketio/socket.io/commit/719f9ebab0772ffb882bd614b387e585c1aa75d4
- https://github.com/socketio/socket.io/commit/9d39f1f080510f036782f2177fac701cc041faaf
- https://github.com/socketio/socket.io/commit/b25738c416c4e32fbff62ee182afa8f6d0dacf78
- https://github.com/socketio/socket.io
CVE-2026-33151 · published · modified · JSON