CVE-2026-43572

MEDIUM EPSS 13.8%
Published May 5, 20261mo ago · Modified Jun 17, 20261w ago
6.3 CVSS 4.0
Medium
Find Similar
Published May 5, 2026 1mo ago
Last Modified Jun 17, 2026 1w ago

Description

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 Details

Base Score
6.3
Exploitability
—
Impact
—
Vector string
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope X

Threat Intelligence

EPSS Exploit Probability
13.8% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 1

CWE-862 Missing Authorization Authorization

Affected Products 1

VendorProductVersionRange
openclawopenclaw*≥2026.4.10  –  <2026.4.14

References 3

  • github.com https://github.com/openclaw/openclaw/commit/80b1fa17bfc3f6a668492f0326ea52f48bb89776
    Patch
  • github.com https://github.com/openclaw/openclaw/security/advisories/GHSA-gc9r-867r-j85f
    Vendor Advisory
  • vulncheck.com https://www.vulncheck.com/advisories/openclaw-missing-sender-authorization-in-microsoft-teams-sso-invoke-handler
    Third Party Advisory

Remediation

  • github.com https://github.com/openclaw/openclaw/commit/80b1fa17bfc3f6a668492f0326ea52f48bb89776
    Patch