Vulnerability · Published Apr 23, 2026 · Assigned by VulnCheck
CVE-2026-41357OpenClaw < 2026.3.31 - Unsanitized Environment Variable Leakage in SSH Sandbox Backends
Low 3.3
In plain English
A low-severity security flaw in OpenClaw from OpenClaw. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 4% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Official description
OpenClaw before 2026.3.31 contains an environment variable leakage vulnerability in SSH-based sandbox backends that pass unsanitized process.env to child processes. Attackers can exploit this by leveraging non-default SSH environment forwarding configurations to leak sensitive environment variables from parent processes to SSH child processes.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| npm | openclaw | 2026.3.31 | GHSA-j9pv-rrcj-6pfx |
Affected products (as reported)
Weakness: CWE-214 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
References
- GitHub Security Advisory (GHSA-j9pv-rrcj-6pfx) vendor-advisory
- Patch Commit patch
- VulnCheck Advisory: OpenClaw < 2026.3.31 - Unsanitized Environment Variable Leakage in SSH Sandbox Backends third-party-advisory