CVE-2026-41334

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.

CVSS v3.1 Score

6.5

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

EPSS — Exploit Prediction

0.0005

Probability of exploitation

0.15%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-636 CWE-636

Affected Products

Vendor	Product	Versions
openclaw	openclaw	< 2026.3.31

References

Advisories & Patches

https://github.com/openclaw/openclaw/commit/0ed4f8a72bb140045962e97ab01c94c076b758a4 https://github.com/openclaw/openclaw/security/advisories/GHSA-w85g-3h6x-4xh2

Other References

https://www.vulncheck.com/advisories/openclaw-decompression-bomb-denial-of-service-via-image-pixel-limit-guard-bypass

Frequently Asked Questions

What is CVE-2026-41334? +

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. It has a CVSS v3.1 base score of 6.5 (MEDIUM).

How severe is CVE-2026-41334? +

CVE-2026-41334 has a CVSS v3.1 score of 6.5 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance. The EPSS score is 0.0005, placing it in the 0th percentile for exploitation probability.

What products are affected by CVE-2026-41334? +

CVE-2026-41334 affects products from openclaw, specifically: openclaw. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2026-41334? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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