Unleash: Unauthenticated single-request DoS via OpenAPI validation error formatter

Date Aug 21, 2026
Type Vendor advisory
Signal High-risk advisory
Vendor / Product npm ยท unleash-server
CVE CVE-2026-63462
High-risk advisory CVE-2026-63462

Summary

Unleash: Unauthenticated single-request DoS via OpenAPI validation error formatter

Why it matters

GitHub has published a reviewed security advisory for unleash-server. Prioritize it with other application dependency updates.

Operator check

Check whether unleash-server is present in application dependency manifests, lockfiles, or build images. Review the GitHub advisory and upgrade to a patched version where available.

Sources

PatchBrief uses public sources. It does not scan environments, verify exposure, or replace vendor guidance.