The ws dependency was bumped to ~8.20.1 following CVE-2026-45736.

Note from the ws maintainers:

Although the calculated CVSS severity is medium, the actual severity is believed to be low, as the flaw is only exploitable through misuse that is unlikely in practice.

Bug Fixes

• do not skip local broadcast when publishAndReturnOffset throws (#5457) (f630158)

The ws dependency was bumped to ~8.20.1 following CVE-2026-45736.

Note from the ws maintainers:

Although the calculated CVSS severity is medium, the actual severity is believed to be low, as the flaw is only exploitable through misuse that is unlikely in practice.

Bug Fixes

• clean up resources upon WebTransport handshake failure (f86b95f)

Dependencies

• ws@~8.20.1 (diff)

The ws dependency was bumped to ~8.20.1 following CVE-2026-45736.

Note from the ws maintainers:

Although the calculated CVSS severity is medium, the actual severity is believed to be low, as the flaw is only exploitable through misuse that is unlikely in practice.

Dependencies

• ws@~8.20.1 (diff)

Bug Fixes

• close HTTP requests with invalid content type (fc11285)
• handle invalid packets when upgrading to WebTransport (1fa1f46)
• prevent WebTransport connections when a middleware is registered (d1f5aa9)

Dependencies

• ws@~8.18.3 (no change)

This release includes a fix for CVE-2026-33151. Please upgrade as soon as possible.

Bug Fixes

• add a limit to the number of binary attachments (b25738c)

This release includes a fix for CVE-2026-33151. Please upgrade as soon as possible.

Bug Fixes

• add a limit to the number of binary attachments (719f9eb)

This release includes a fix for CVE-2026-33151. Please upgrade as soon as possible.

Bug Fixes

• add a limit to the number of binary attachments (9d39f1f)

Bug Fixes

• add @types/ws as dependency (#5458) (07cbe15)
• uws: emit initial_headers and headers events in uServer (#5460) (44ed73f)

Dependencies

• ws@~8.18.3 (no change)

Bug Fixes

• do not throw when calling io.close() on a stopped server (9581f9b)

Dependencies

• engine.io@~6.6.0 (no change)
• ws@~8.18.3 (no change)

This release contains a bump of debug from ~4.3.1 to ~4.4.1.