| Component | OpenClaw |
| Severity | medium (CVSS 6.5) |
| CVSS vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |
| Published (NVD) | 2026-04-23 |
| Last modified | 2026-06-17 |
| Affected versions | openclaw < 2026.3.31 |
| Fixed in | 2026.3.31 |
| Weakness | CWE-636 |
| CISA KEV | not listed |
NVD description
OpenClaw before 2026.3.31 contains a decompression bomb vulnerability in image processing that fails to properly enforce pixel-limit guards on sips. Attackers can exploit this by uploading oversized images to cause denial of service through excessive memory consumption.
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-2026-41334
- https://github.com/openclaw/openclaw/security/advisories/GHSA-w85g-3h6x-4xh2
- https://github.com/openclaw/openclaw/commit/0ed4f8a72bb140045962e97ab01c94c076b758a4
- https://www.vulncheck.com/advisories/openclaw-decompression-bomb-denial-of-service-via-image-pixel-limit-guard-bypass
Read more
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