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Openclaw CVE-2026-28454

HIGH
Insufficient Verification of Data Authenticity (CWE-345)
2026-03-05 disclosure@vulncheck.com GHSA-fhvm-j76f-qmjv
Authentication Bypass Openclaw
7.5
CVSS 3.1
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CVSS VectorNVD

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

Lifecycle Timeline

3
Analysis Generated
Mar 12, 2026 - 22:06 vuln.today
Patch released
Mar 09, 2026 - 18:03 nvd
Patch available
CVE Published
Mar 05, 2026 - 22:16 nvd
HIGH 7.5

DescriptionNVD

OpenClaw versions prior to 2026.2.2 fail to validate webhook secrets in Telegram webhook mode (must be enabled), allowing unauthenticated HTTP POST requests to the webhook endpoint that trust attacker-controlled JSON payloads. Remote attackers can forge Telegram updates by spoofing message.from.id and chat.id fields to bypass sender allowlists and execute privileged bot commands.

AnalysisAI

Openclaw versions up to 2026.2.2 is affected by insufficient verification of data authenticity (CVSS 7.5).

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RemediationAI

Within 24 hours: Inventory all Openclaw instances and confirm affected versions (up to 2026.2.2). Within 7 days: Test and deploy available patch to non-production environments; establish deployment schedule for production systems. …

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CVE-2026-28454 vulnerability details – vuln.today
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