Home/CVE/OpenClaw before 2026.3.31 contains a decompression bomb vulnerability in image processing that fails to properly enforce
CVE

CVE-2026-41334

OpenClaw before 2026.3.31 contains a decompression bomb vulnerability in image processing that fails to properly enforce

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.

MEDIUM · CVSS 6.5 EPSS 0.00053
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-636Not Failing Securely ('Failing Open')
▤

Affected Products & Versions

1
openclaw< 2026.3.31
▣

Scoring & Timeline

6.5
MEDIUM · CVSS v3.1 · disclosure@vulncheck.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD23 Apr 2026 · 10:16 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
🔗

References & Sources

3
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://github.com/openclaw/openclaw/commit/0ed4f8a72bb140045962e97ab01c94c076b758a4Patch
https://github.com/openclaw/openclaw/security/advisories/GHSA-w85g-3h6x-4xh2Vendor Advisory
https://www.vulncheck.com/advisories/openclaw-decompression-bomb-denial-of-service-via-image-pixel-limit-guard-bypassThird Party Advisory
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