Vulnerability Description
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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Openclaw | Openclaw | < 2026.3.22 |
Related Weaknesses (CWE)
References
- https://github.com/openclaw/openclaw/commit/630f1479c44f78484dfa21bb407cbe6f171dPatch
- https://github.com/openclaw/openclaw/commit/81445a901091a5d27ef0b56fceedbe472456Patch
- https://github.com/openclaw/openclaw/security/advisories/GHSA-4qwc-c7g9-4xcwVendor Advisory
- https://www.vulncheck.com/advisories/openclaw-unbounded-memory-allocation-via-reThird Party Advisory
FAQ
What is CVE-2026-35633?
CVE-2026-35633 is a vulnerability with a CVSS score of 5.3 (MEDIUM). 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 cr...
How severe is CVE-2026-35633?
CVE-2026-35633 has been rated MEDIUM with a CVSS base score of 5.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-35633?
Check the references section above for vendor advisories and patch information. Affected products include: Openclaw Openclaw.