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.
Attack Parameters
Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Attack Requirements
None
No additional conditions
Privileges Required
None
No privileges needed
User Interaction
None
No user interaction needed
Impact Assessment
Confidentiality
None
No data leak
Integrity
Low
Partial data modification
Availability
Low
Partial disruption
CVSS Vector v4.0
Weakness Type (CWE)
Vulnerable Products 1
| Configuration | From (including) | Up to (excluding) |
|---|---|---|
|
Openclaw Openclaw
cpe:2.3:a:openclaw:openclaw:*:*:*:*:*:node.js:*:*
|
— |
2026.3.28
|
References 3
https://github.com/openclaw/openclaw/commit/68ceaf7a5f64a23e78b95eff055e4b49721…
disclosure@vulncheck.com
https://github.com/openclaw/openclaw/security/advisories/GHSA-v2v2-f783-358j
disclosure@vulncheck.com
https://www.vulncheck.com/advisories/openclaw-unauthorized-media-download-via-z…
disclosure@vulncheck.com