| Component | OpenClaw |
| Severity | medium (CVSS 6.5) |
| CVSS vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L |
| 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 downloads and stores inbound media from Zalo channels before validating sender authorization. Unauthorized senders can force network fetches and disk writes to the media store by sending messages that are subsequently rejected.
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-2026-33576
- https://github.com/openclaw/openclaw/security/advisories/GHSA-v2v2-f783-358j
- https://github.com/openclaw/openclaw/commit/68ceaf7a5f64a23e78b95eff055e4b497218312a
- https://www.vulncheck.com/advisories/openclaw-unauthorized-media-download-via-zalo-channel
Read more
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