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CVE-2026-34506

4.3 · MEDIUM
Published Mar 31, 2026 openclaw CWE-863 EPSS 0.27% (19th pctl)

Overview

CVE-2026-34506 is a medium-severity vulnerability affecting openclaw openclaw. It was published on March 31, 2026 and has a CVSS 3.1 base score of 4.3 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 4.3, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical Description

OpenClaw before 2026.3.8 contains a sender allowlist bypass vulnerability in its Microsoft Teams plugin that allows unauthorized senders to bypass intended authorization checks. When a team/channel route allowlist is configured with an empty groupAllowFrom parameter, the message handler synthesizes wildcard sender authorization, permitting any sender in the matched team/channel to trigger replies in allowlisted Teams routes.

Remediation

Check the references section for vendor advisories and patches from openclaw. Update openclaw to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected Products

Vendor Product Versions Status
openclaw openclaw >= 0, < 2026.3.8 Affected

Frequently Asked Questions

What is CVE-2026-34506?

CVE-2026-34506 is a medium-severity vulnerability affecting openclaw openclaw. It was published on March 31, 2026 and has a CVSS 3.1 base score of 4.3 (MEDIUM).

How severe is CVE-2026-34506?

This vulnerability has a CVSS 3.1 base score of 4.3, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2026-34506?

Check the references section for vendor advisories and patches from openclaw. Update openclaw to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-34506?

CyberStrike's AI-powered security agents can automatically detect CVE-2026-34506 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.