CVE-2026-43572 PUBLISHED

OpenClaw 2026.4.10 < 2026.4.14 - Missing Sender Authorization in Microsoft Teams SSO Invoke Handler

Assigner: VulnCheck
Reserved: 01.05.2026 Published: 05.05.2026 Updated: 05.05.2026

OpenClaw versions 2026.4.10 before 2026.4.14 contain a missing authorization vulnerability in the Microsoft Teams SSO invoke handler that fails to apply sender allowlist checks. Attackers can bypass sender authorization by sending SSO invoke requests that are processed without proper validation, allowing unauthorized access to Teams SSO signin functionality.

CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
CVSS Score: 6.3

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Network	Confidentiality	Low	Confidentiality	None
Attack Complexity	Low	Integrity	None	Integrity	None
Attack Requirements	Present	Availability	None	Availability	None
Privileges Required	None
User Interaction	None

CVSS 4.0

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
CVSS Score: 5.3

Attack Vector	Network	Scope	Unchanged
Attack Complexity	Low	Confidentiality Impact	Low
Privileges Required	None	Integrity Impact	None
User Interaction	None	Availability Impact	None

CVSS 3.1

Product Status

Vendor	OpenClaw
Product	OpenClaw
Versions	Default: unaffected affected from 2026.4.10 to 2026.4.14 (excl.) Version 2026.4.14 is unaffected

CVE-2026-43572 PUBLISHED

OpenClaw 2026.4.10 < 2026.4.14 - Missing Sender Authorization in Microsoft Teams SSO Invoke Handler

Metrics

Product Status

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Problem Types