OpenClaw versions prior to 2026.2.22 fail to consistently enforce configured inbound media byte limits before buffering remote media across multiple channel ingestion paths. Remote attackers can send oversized media payloads to trigger elevated memory usage and potential process instability.
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
None
No data modification
Availability
High
Complete denial of service
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:*:*
|
— |
2026.2.22
|
References 3
https://github.com/openclaw/openclaw/commit/73d93dee64127a26f1acd09d0403b794cde…
disclosure@vulncheck.com
https://github.com/openclaw/openclaw/security/advisories/GHSA-rxxp-482v-7mrh
disclosure@vulncheck.com
https://www.vulncheck.com/advisories/openclaw-denial-of-service-via-inbound-med…
disclosure@vulncheck.com