CVE-2026-42420
CVE-2026-42420 · OpenClaw < 2026.4.8 - Improper Base64 Decoding Size Validation
This page contains facts from public vulnerability sources. Check the original advisory before updating.
OpenClaw before 2026.4.8 contains improper input validation in base64 decode paths that allocate memory before enforcing decoded-size limits. Attackers can exploit multiple code paths to cause memory exhaustion or denial of service through crafted base64-encoded input.
CVSS 5.3 · Medium · EPSS 0.3% · Fix available
- Published
- Updated
Stack: node