Uncontrolled resource consumption in HackerOne ws node module
Priority MEDIUM 43CWE-400Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Fixed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA and GitHub. Impact type from CWE-400.
Summary
ws is a "simple to use, blazing fast and thoroughly tested websocket client, server and console for node.js, up-to-date against RFC-6455". By sending an overly long websocket payload to a `ws` server, it is possible to crash the node process. This affects ws 1.1.0 and earlier.
Why it matters now
EPSS 0.07424 94th percentileScored 2026-11-07
Fix Fixed ws (npm): 1.1.1
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| HackerOne | ws node module | up to 1.1.0 | — | No fix listed | CNA |
| — | ws (npm) | before 1.1.1 | 1.1.1 | Patch available | GHSA-6663-c963-2gqg |
- ws node module VendorHackerOne Affected up to 1.1.0 Fixed in — No fix listed CNA
- ws (npm) Vendor— Affected before 1.1.1 Fixed in 1.1.1 Patch available GHSA-6663-c963-2gqg
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:ws_project:ws:*:*:*:*:*:node.js:*:* | up to 1.1.0 | Vulnerable | websockets |
- cpe:2.3:a:ws_project:ws:*:*:*:*:*:node.js:*:* Versions up to 1.1.0 Vulnerable ·websockets
Remediation
- Fix · GHSA-6663-c963-2gqg ws (npm) Fixed in 1.1.1 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2016-10542
- 2026-10-03 Alias added: GHSA-6663-c963-2gqg
References
More websockets Ws vulnerabilities
- TI-2026-36049 ws: Memory exhaustion DoS from tiny fragments and data chunks CVSS 3.1HIGH 7.5
- TI-2026-33473 ws: Uninitialized memory disclosure CVSS 3.1HIGH 7.5
- TI-2016-08560 Memory corruption in HackerOne ws node module CVSS 3.0HIGH 7.5
- TI-2021-12308 ReDoS in Sec-Websocket-Protocol header CVSS 3.1MEDIUM 5.3
Sources
- CVE-2016-10542 · CVE Program
- CVE-2016-10542 · NVD
- FIRST EPSS
- GHSA-6663-c963-2gqg · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences