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AI / ML CVE-2026-27576

MEDIUM
Uncontrolled Resource Consumption (CWE-400)
2026-02-21 security-advisories@github.com GHSA-cxpw-2g23-2vgw
Denial Of Service AI / ML Openclaw
4.0
CVSS 3.1
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CVSS VectorNVD

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
Low

Lifecycle Timeline

3
Analysis Generated
Mar 12, 2026 - 22:04 vuln.today
Patch released
Feb 23, 2026 - 20:39 nvd
Patch available
CVE Published
Feb 21, 2026 - 10:16 nvd
MEDIUM 4.0

DescriptionNVD

OpenClaw is a personal AI assistant. In versions 2026.2.17 and below, the ACP bridge accepts very large prompt text blocks and can assemble oversized prompt payloads before forwarding them to chat.send. Because ACP runs over local stdio, this mainly affects local ACP clients (for example IDE integrations) that send unusually large inputs. This issue has been fixed in version 2026.2.19.

AnalysisAI

OpenClaw versions 2026.2.17 and earlier fail to enforce payload size limits in the ACP bridge, allowing local clients to trigger denial of service through excessively large prompt inputs that consume system resources. This vulnerability primarily impacts IDE integrations and other local ACP clients that may inadvertently send oversized text blocks. …

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RemediationAI

Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Vendor patch is available.

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CVE-2026-27576 vulnerability details – vuln.today
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