CVE-2026-43572
CVE-2026-43572 is a medium-severity vulnerability in Openclaw with a CVSS 3.x base score of 5.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-862.
Key facts
- Severity: Medium (CVSS 3.x base score 5.3)
- CVSS v4: 6.3
- EPSS exploit prediction: 0% (14th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2026-27295
- Weakness: CWE-862
- Affected product: Openclaw
- Published:
- Last modified:
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.
Frequently asked questions
- What is CVE-2026-43572?
- 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.
- How severe is CVE-2026-43572?
- CVE-2026-43572 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
- Is CVE-2026-43572 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (14th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2026-43572?
- CVE-2026-43572 affects Openclaw. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2026-43572?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2026-43572 have an EU (EUVD) identifier?
- Yes. CVE-2026-43572 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-27295.
- When was CVE-2026-43572 published?
- CVE-2026-43572 was published on 2026-05-05 and last updated on 2026-06-17.
References
- https://github.com/openclaw/openclaw/commit/80b1fa17bfc3f6a668492f0326ea52f48bb89776
- https://github.com/openclaw/openclaw/security/advisories/GHSA-gc9r-867r-j85f
- https://www.vulncheck.com/advisories/openclaw-missing-sender-authorization-in-microsoft-teams-sso-invoke-handler
Affected products (1)
- cpe:2.3:a:openclaw:openclaw:*:*:*:*:*:node.js:*:*
More vulnerabilities in Openclaw
- CVE-2026-41329 — Critical (CVSS 9.9): OpenClaw before 2026.3.31 contains a sandbox bypass vulnerability allowing attackers to escalate privileges via…
- CVE-2026-33579 — Critical (CVSS 9.9): OpenClaw before 2026.3.28 contains a privilege escalation vulnerability in the /pair approve command path that fails to…
- CVE-2026-32922 — Critical (CVSS 9.9): OpenClaw before 2026.3.11 contains a privilege escalation vulnerability in device.token.rotate that allows callers with…
- CVE-2026-22172 — Critical (CVSS 9.9): OpenClaw versions prior to 2026.3.12 contain an authorization bypass vulnerability in the WebSocket connect path that…
- CVE-2026-28466 — Critical (CVSS 9.9): OpenClaw versions prior to 2026.2.14 contain a vulnerability in the gateway in which it fails to sanitize internal…
- CVE-2026-28363 — Critical (CVSS 9.9): In OpenClaw before 2026.2.23, tools.exec.safeBins validation for sort could be bypassed via GNU long-option…
Other CWE-862 (Missing Authorization) vulnerabilities
- CVE-2026-0092 — Critical (CVSS 10.0): In Package Manager, there is a possible device lock controller bypass due to a missing permission check. This could…
- CVE-2026-33712 — Critical (CVSS 10.0): Typebot is a chatbot builder tool. In versions 3.15.2 and prior, the preview chat endpoint (POST…
- CVE-2026-2031 — Critical (CVSS 10.0): An Improper Access Control vulnerability in several internal API endpoints for Google Cloud Application Integration…
- CVE-2026-34976 — Critical (CVSS 10.0): Dgraph is an open source distributed GraphQL database. Prior to 25.3.1, the restoreTenant admin mutation is missing…
- CVE-2025-30416 — Critical (CVSS 10.0): Sensitive data disclosure and manipulation due to missing authorization. The following products are affected: Acronis…
- CVE-2025-45854 — Critical (CVSS 10.0): /server/executeExec of JEHC-BPM 2.0.1 allows attackers to execute arbitrary code via execParams.
Browse all CWE-862 (Missing Authorization) vulnerabilities →