What’s Vulnerable › Vulnerabilities

CVE-2026-41391: OpenClaw < 2026.3.31 - Environment Variable Bypass in Package Index URL Handling

• Severity: medium (CVSS 6.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-04-28 · updated 2026-06-17
• Weakness: CWE-184

Description

OpenClaw before 2026.3.31 fails to properly sanitize PIP_INDEX_URL and UV_INDEX_URL environment variables in host execution contexts, allowing attackers to redirect Python package-index traffic. Attackers can exploit this bypass to intercept or manipulate package management operations by injecting malicious index URLs through unsanitized environment variables.

Affected products

• OpenClaw: before 2026.3.31 — fixed in 2026.3.31

How to fix

Upgrade to a fixed version: OpenClaw 2026.3.31. Check the vendor advisory for mitigations.

References

• https://github.com/openclaw/openclaw/commit/7ae1bb0c7799fd0cbd2d4de7b0f5b8039837ab8d
• https://github.com/openclaw/openclaw/security/advisories/GHSA-7ggg-pvrf-458v
• https://www.vulncheck.com/advisories/openclaw-environment-variable-bypass-in-package-index-url-handling

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