CVE-2026-41340 OpenClaw < 2026.3.31 - Authentication Boundary Bypass via Telegram Legacy allowFrom Migration

What is CVE-2026-41340?

CVE-2026-41340 is a medium-severity authentication bypass vulnerability in Openclaw Openclaw, published on 23 Apr 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

OpenClaw before 2026.3.31 contains an authentication boundary vulnerability where Telegram legacy allowFrom migration incorrectly fans default-account trust into all named accounts. Attackers can exploit this trust propagation to bypass authentication controls and gain unauthorized access to named accounts.

Weakness: CWE-372

Which versions are affected by CVE-2026-41340?

2 open source packages ship an affected version, including openclaw. It affects 1 product.

Products include Openclaw Openclaw.

How do I fix CVE-2026-41340?

Upgrade openclaw to 2026.3.31 or later.

Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.

Is CVE-2026-41340 being exploited?

There is no known exploitation of CVE-2026-41340 in the wild and no public exploit code.

Other vulnerabilities in Openclaw Openclaw

• CVE-2026-28363 Security feature bypass in OpenClaw Critical 9.9
• CVE-2026-30741 Code injection in n/a Critical 9.8
• CVE-2026-33579 OpenClaw < 2026.3.28 - Privilege Escalation via Missing Caller Scope Validation in Device Pair Approval Critical 9.4
• CVE-2026-32922 OpenClaw < 2026.3.11 - Privilege Escalation via Unvalidated Scope in device.token.rotate Critical 9.4
• CVE-2026-32978 OpenClaw < 2026.3.11 - Approval Bypass via Unrecognized Script Runners Critical 9.4

All Openclaw Openclaw vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• GitHub advisory
• How this page is made

Also known as GHSA-f693-58pc-2gfr, GHSA-q85g-cf2c-5gq6, MINI-grrq-f95w-8pw7, MINI-h4xq-rhq2-4v7p.