| Component | OpenClaw |
| Severity | medium (CVSS 5) |
| CVSS vector | CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:N/I:H/A:L |
| Published (NVD) | 2026-04-23 |
| Last modified | 2026-06-17 |
| Affected versions | openclaw < 2026.3.31 |
| Fixed in | 2026.3.31 |
| Weakness | CWE-367 |
| CISA KEV | not listed |
NVD description
OpenClaw before 2026.3.31 contains a time-of-check-time-of-use vulnerability in sandbox file operations that allows attackers to bypass fd-based defenses. Attackers can exploit check-then-act patterns in apply_patch, remove, and mkdir operations to manipulate files between validation and execution.
What to do
- Upgrade OpenClaw to
2026.3.31or later. - Do not expose the component's API or UI to the internet without authentication in front of it.
Sources
- NVD: CVE-2026-41338
- https://github.com/openclaw/openclaw/security/advisories/GHSA-rm5c-4rmf-vvhw
- https://github.com/openclaw/openclaw/commit/32a4a47d602e0618f87b3e59f94d8c142767f860
- https://www.vulncheck.com/advisories/openclaw-time-of-check-time-of-use-toctou-vulnerability-in-sandbox-file-operations
Read more
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