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CVE-2026-9675

1 advisory.

npm/undici CVE-2026-9675: high 7.5

undici WebSocket client vulnerable to denial of service via cumulative fragment bypass

Action: Upgrade undici to 8.5.0 or later.

npm i undici@8.5.0

Affected

introducedfixedlast affected
8.0.08.5.0-

Fixed versions

8.5.0

Sources

CVE-2026-9675 · published · modified · JSON