CVE-2026-35633
OpenClaw < 2026.3.22 - Unbounded Memory Allocation via Remote Media Error Responses
CVSS Score
5.3
EPSS Score
0.2%
EPSS Percentile
40th
OpenClaw before 2026.3.22 contains an unbounded memory allocation vulnerability in remote media HTTP error handling that allows attackers to trigger excessive memory consumption. Attackers can send crafted HTTP error responses with large bodies to remote media endpoints, causing the application to allocate unbounded memory before failure handling occurs.
| CWE | CWE-789 |
| Vendor | openclaw |
| Product | openclaw |
| Published | Apr 9, 2026 |
| Last Updated | Apr 14, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
Low
Affected Versions
OpenClaw / OpenClaw
0 < 2026.3.22
References
github.com: https://github.com/openclaw/openclaw/security/advisories/GHSA-4qwc-c7g9-4xcw github.com: https://github.com/openclaw/openclaw/commit/630f1479c44f78484dfa21bb407cbe6f171dac87 github.com: https://github.com/openclaw/openclaw/commit/81445a901091a5d27ef0b56fceedbe4724566438 vulncheck.com: https://www.vulncheck.com/advisories/openclaw-unbounded-memory-allocation-via-remote-media-error-responses
Credits
Edward-x (@YLChen-007)