CVE-2026-44995mediumCWE-829

OpenClaw < 2026.4.20 - Arbitrary Code Execution via MCP stdio Environment Variables

13Vexday Risk Score

Sin señal de explotación. Ningún artefacto público de explotación conocido hasta ahora.

ssvc Trackcvss 5.4epss 0.1%

probabilidad de explotación

0.1%top 96% de las CVE

explotación observada

noninguna fuente lo reporta

OpenClaw before 2026.4.20 contains an improper environment variable validation vulnerability in MCP stdio server configuration that allows attackers to execute arbitrary code. Malicious workspace configurations can pass dangerous startup variables like NODE_OPTIONS, LD_PRELOAD, or BASH_ENV to spawned MCP server processes, enabling code injection when operators start sessions using those servers.

CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Productos afectados

OpenClaw · OpenClaw

Referencias

https://github.com/openclaw/openclaw/commit/62fa5071896e95edc7f67d1cebc70a2859e283af https://github.com/openclaw/openclaw/commit/85d86ebc4bf3d2226d39d132a484f4f7a299fa1b https://github.com/openclaw/openclaw/security/advisories/GHSA-mj59-h3q9-ghfh https://www.vulncheck.com/advisories/openclaw-arbitrary-code-execution-via-mcp-stdio-environment-variables