medium6.5
CVE-2026-33576
OpenClaw before 2026.3.28 downloads and stores inbound media from Zalo channels before validating sender authorization.
Impact
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.
Affected packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| npm | openclaw | <= 2026.3.24 | 2026.3.28 |
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Openclaw | Openclaw | before 2026.3.28 |
Weakness classification
References
- NVD record
- CVE.org record
- GitHub advisory
- https://github.com/advisories/GHSA-v2v2-f783-358j
- https://github.com/openclaw/openclaw/security/advisories/GHSA-v2v2-f783-358j
- https://nvd.nist.gov/vuln/detail/CVE-2026-33576
- https://github.com/openclaw/openclaw/commit/68ceaf7a5f64a23e78b95eff055e4b497218312a
- https://www.vulncheck.com/advisories/openclaw-unauthorized-media-download-via-zalo-channel