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HIGH

OpenClaw < 2026.3.28 - Client Identity Spoofing in chat.send Gateway Provenance Guard

Published Apr 20, 2026

Description

OpenClaw before 2026.3.28 contains an authorization bypass vulnerability in the chat.send gateway method where ACP-only provenance fields are gated by self-declared client metadata from WebSocket handshake rather than verified authorization state. Authenticated operator clients can spoof ACP identity labels and inject reserved provenance fields intended only for the ACP bridge by manipulating client metadata during connection.

Affected products

Remediation

No remediation recorded yet.

Weaknesses (2)

CWE-290

Authentication Bypass by Spoofing

CWE-807

References (5)

Change history (0)

No recorded changes yet.

Sources
CVE.org / MITRE
Status PUBLISHED
Assigner VulnCheck
Published Apr 20, 2026
Updated Apr 21, 2026
Reserved Apr 20, 2026
Link CVE-2026-41299
CISA Vulnrichment
Updated Apr 21, 2026
NVD
Status Analyzed
Modified Jun 17, 2026
Link CVE-2026-41299
Red Hat
Severity n/a
Public date n/a
Links CVE-2026-41299
ENISA EUVD
Assigner VulnCheck
Published Apr 20, 2026
Updated Apr 21, 2026
Exploited since n/a
Link EUVD-2026-24006
EUVD-2026-24006 GHSA-6XG4-82HV-CP6F