CVE-2026-42420

MEDIUM

4.3

Descripcion

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.

Detalles CVE

Puntuacion CVSS v3.14.3

SeveridadMEDIUM

Vector CVSSCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

Vector de ataqueNETWORK

ComplejidadLOW

Privilegios requeridosLOW

Interaccion usuarioNONE

Publicado4/28/2026

Ultima modificacion4/30/2026

Fuentenvd

Avistamientos honeypot0

Productos afectados

openclaw:openclaw

Debilidades (CWE)

CWE-770

Referencias

https://github.com/openclaw/openclaw/commit/d7c3210cd6f5fdfdc1beff4c9541673e814354d5(disclosure@vulncheck.com)

https://github.com/openclaw/openclaw/security/advisories/GHSA-ccx3-fw7q-rr2r(disclosure@vulncheck.com)

https://www.vulncheck.com/advisories/openclaw-improper-base64-decoding-size-validation(disclosure@vulncheck.com)

Correlaciones IOC

Sin correlaciones registradas

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