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"
Published May 31, 2018
7.5
HIGHCVSS 3.0
EPSS 7.54%
Description
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.
Affected products
-
- Version <=1.1.0StatusaffectedConstraints-
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| HackerOne | WS Node Module | n/a |
|
- ≤ 1.1.0
No data.
No Red Hat product state for this CVE.
ws
npm
Introduced 0 Fixed 1.1.1
| Ecosystem | Package | Introduced | Fixed |
|---|---|---|---|
| npm | ws | 0 | 1.1.1 |
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
AV:N/AC:L/Au:N/C:N/I:N/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (11 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 7.54% (0.07539) | 94.33th | v5 (v2026.06.15) |
| Jun 15, 2026 | 7.54% (0.07539) | 93.71th | v5 (v2026.06.15) |
| Oct 8, 2025 | 66.07% (0.66075) | 98.43th | v4 (v2025.03.14) |
| Mar 17, 2025 | 0.44% (0.00436) | 60.80th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.10% (0.00105) | 44.47th | v3 (v2023.03.01) |
| Mar 5, 2024 | 0.10% (0.00105) | 41.55th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.10% (0.00098) | 39.14th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.89% (0.00885) | 27.89th | v2 (v2022.01.01) |
| Sep 10, 2022 | 0.89% (0.00885) | 26.24th | v2 (v2022.01.01) |
| Apr 1, 2022 | 0.89% (0.00885) | 24.24th | v2 (v2022.01.01) |
| Feb 4, 2022 | 0.89% (0.00885) | 10.50th | v2 (v2022.01.01) |
References (5)
- https://github.com/advisories/GHSA-6663-c963-2gqg Advisory
- https://github.com/nodejs/node/issues/7388 x_refsource_MISCIssue TrackingThird Party Advisory
- https://nodesecurity.io/advisories/120 x_refsource_MISCThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2016-10542
- https://www.npmjs.com/advisories/120
| Link | Providers | Tags |
|---|---|---|
| https://github.com/advisories/GHSA-6663-c963-2gqg | Advisory | |
| https://github.com/nodejs/node/issues/7388 | x_refsource_MISCIssue TrackingThird Party Advisory | |
| https://nodesecurity.io/advisories/120 | x_refsource_MISCThird Party Advisory | |
| https://nvd.nist.gov/vuln/detail/CVE-2016-10542 | ||
| https://www.npmjs.com/advisories/120 |
Change history (0)
No recorded changes yet.