EUVD-2026-102321Published
undici WebSocket client vulnerable to Denial of Service via unbounded automatic PONG buffering
Explicit identifiers and source references
These records connect through source-stated identifiers. Shared identifiers or dates alone do not establish shared exposure, root cause or applicability.
CVE-2026-109932 · Microsoft / collected KEV context
cve-program · CVE-2026-109932
- https://github.com/nodejs/undici/security/advisories/GHSA-9fm3-97px-rjf6
- https://cna.openjsf.org/security-advisories.html
euvd · EUVD-2026-102321
- https://github.com/nodejs/undici/security/advisories/GHSA-9fm3-97px-rjf6
- https://cna.openjsf.org/security-advisories.html
nvd · CVE-2026-109932
- https://cna.openjsf.org/security-advisories.html
- https://github.com/nodejs/undici/security/advisories/GHSA-9fm3-97px-rjf6
osv · GHSA-9fm3-97px-rjf6
- https://github.com/nodejs/undici/security/advisories/GHSA-9fm3-97px-rjf6
- https://nvd.nist.gov/vuln/detail/CVE-2026-109932
- https://github.com/nodejs/undici/commit/39f93e142df03e559fe7c3d1fc7fba9beee2c185
- https://github.com/nodejs/undici/commit/53944624462b6797560288c55dbd8c66857bb495
- https://github.com/nodejs/undici/commit/b217373bb024cd93f85eb5b3ffd25684855f60f8
- https://cna.openjsf.org/security-advisories.html
- https://github.com/nodejs/undici
- https://github.com/nodejs/undici/releases/tag/v6.29.1
- https://github.com/nodejs/undici/releases/tag/v7.30.1
- https://github.com/nodejs/undici/releases/tag/v8.12.2
Related operational evidence
Explicit CVE identifiers- undici is an HTTP client library for Node.js. In versions 5.15.0 through 6.29.0, 7.0.0 through 7.30.0, and 8.0.0 through 8.12.1, its WebSocket client, including the bundled WebSocket exposed by Node.js, can be driven to exhaust process memo… · Advisory content revised · 30 Oct 2026
- undici WebSocket client vulnerable to Denial of Service via unbounded automatic PONG buffering · Newly collected advisory · 27 Oct 2026