| Component | OpenClaw |
| Severity | medium (CVSS 5.4) |
| CVSS vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N |
| Published (NVD) | 2026-04-28 |
| Last modified | 2026-06-17 |
| Affected versions | openclaw < 2026.3.31 |
| Fixed in | 2026.3.31 |
| Weakness | CWE-639 |
| CISA KEV | not listed |
NVD description
OpenClaw before 2026.3.31 contains a sender allowlist bypass vulnerability that allows remote attackers to access restricted messages. Attackers can exploit fetched quoted, root, and thread context messages to bypass sender allowlist restrictions and retrieve unauthorized content.
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-2026-41406
- https://github.com/openclaw/openclaw/security/advisories/GHSA-877v-w3f5-3pcq
- https://github.com/openclaw/openclaw/commit/f45e5a6569aab1d58cc6de25b19f1dc4c8779b85
- https://www.vulncheck.com/advisories/openclaw-sender-allowlist-bypass-via-thread-history-and-quoted-messages
Read more
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