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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.

PUBLISHED Reserved 2026-04-20 | Published 2026-04-23 | Updated 2026-04-24 | Assigner VulnCheck




HIGH: 7.1CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

MEDIUM: 6.5CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Problem types

CWE-636: Not Failing Securely (Failing Open)

Product status

Default status
unaffected

Any version before 2026.3.31
affected

2026.3.31 (semver)
unaffected

Credits

AntAISecurityLab reporter

References

github.com/...enclaw/security/advisories/GHSA-w85g-3h6x-4xh2 (GitHub Security Advisory (GHSA-w85g-3h6x-4xh2)) vendor-advisory

github.com/...ommit/0ed4f8a72bb140045962e97ab01c94c076b758a4 (Patch Commit) patch

www.vulncheck.com/...vice-via-image-pixel-limit-guard-bypass (VulnCheck Advisory: OpenClaw < 2026.3.31 - Decompression Bomb Denial of Service via Image Pixel-Limit Guard Bypass) third-party-advisory

cve.org (CVE-2026-41334)

nvd.nist.gov (CVE-2026-41334)

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