CVE-2026-23869-Exploit

Unauthenticated DoS in React Flight protocol via quadratic CPU exhaustion in Map deserialization.

Published 21 Oct 2026Updated 21 Oct 20263 sources
CVSS 7.5 PoC CANDIDATE

What happened

Unauthenticated DoS in React Flight protocol via quadratic CPU exhaustion in Map deserialization.

Affected versions

Unknown product: See original advisory Fixed: See vendor advisory.

Why it matters

This source correlation may provide earlier visibility while structured CVE metadata is still being updated.

Detection & mitigation

  • Review the original advisory and validate affected versions.
  • Apply vendor-provided updates or mitigations when available.

Public PoC references