CVE-2026-42420 — OpenClaw < 2026.4.8 - Improper Base64 Decoding Size Validation
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…
Published: 2026-04-28 · CVSS: 5.3 · CVSS 4.0
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7