| Component | OpenClaw |
| Severity | medium (CVSS 4.3) |
| CVSS vector | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L |
| Published (NVD) | 2026-04-28 |
| Last modified | 2026-06-17 |
| Affected versions | openclaw < 2026.3.31 |
| Fixed in | 2026.3.31 |
| Weakness | CWE-770 |
| CISA KEV | not listed |
NVD description
OpenClaw before 2026.3.31 contains a resource exhaustion vulnerability in media downloads that bypasses core safety limits for file size, count, and cleanup operations. Attackers can exhaust disk space by downloading media files without triggering intended safety restrictions, causing availability impact.
What to do
- Upgrade OpenClaw to
2026.3.31or later. - Do not expose the component's API or UI to the internet without authentication in front of it.
Sources
- NVD: CVE-2026-41408
- https://github.com/openclaw/openclaw/security/advisories/GHSA-4g5x-2jfc-xm98
- https://github.com/openclaw/openclaw/commit/2194587d70d2aef863508b945319c5a7c88b12ce
- https://www.vulncheck.com/advisories/openclaw-disk-exhaustion-via-media-download-bypass
Read more
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