CVE-2026-28465 OpenClaw voice-call < 2026.2.3 - Webhook Verification Bypass via Forwarded Headers

What is CVE-2026-28465?

CVE-2026-28465 is a high-severity authentication bypass vulnerability in Openclaw Openclaw, published on 5 Mar 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

OpenClaw's voice-call plugin versions before 2026.2.3 contain an improper authentication vulnerability in webhook verification that allows remote attackers to bypass verification by supplying untrusted forwarded headers. Attackers can spoof webhook events by manipulating Forwarded or X-Forwarded-* headers in reverse-proxy configurations that implicitly trust these headers.

Weakness: CWE-290

Which versions are affected by CVE-2026-28465?

4 open source packages ship an affected version, including @openclaw/voice-call and @clawdbot/voice-call. It affects 1 product.

Products include Openclaw Openclaw.

How do I fix CVE-2026-28465?

Upgrade @openclaw/voice-call to 2026.2.3 or later.

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

Is CVE-2026-28465 being exploited?

There is no known exploitation of CVE-2026-28465 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
• How this page is made

Also known as GHSA-3m3q-x3gj-f79x.