| Component | OpenClaw |
| Severity | medium (CVSS 4.3) |
| CVSS vector | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N |
| Published (NVD) | 2026-03-31 |
| Last modified | 2026-07-24 |
| Affected versions | openclaw < 2026.3.28 |
| Fixed in | 2026.3.28 |
| Weakness | CWE-863 |
| CISA KEV | not listed |
NVD description
OpenClaw before 2026.3.28 contains a sender policy bypass vulnerability in the Google Chat and Zalouser extensions where route-level group allowlist policies silently downgrade to open policy. Attackers can exploit this policy resolution flaw to bypass sender restrictions and interact with bots despite configured allowlist restrictions.
What to do
- Upgrade OpenClaw to
2026.3.28or later. - Do not expose the component's API or UI to the internet without authentication in front of it.
Sources
- NVD: CVE-2026-33578
- https://github.com/openclaw/openclaw/security/advisories/GHSA-63mg-xp9j-jfcm
- https://github.com/openclaw/openclaw/commit/e64a881ae0fb8af18e451163f4c2d611d60cc8e4
- https://www.vulncheck.com/advisories/openclaw-sender-policy-allowlist-bypass-via-policy-downgrade-in-google-chat-and-zalouser-extensions
Read more
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