What is CVE-2026-28465?

CVE-2026-28465 is a medium-severity vulnerability in Openclaw Voice-call, classified under Authentication Bypass by Spoofing. CVSS score: 5.9/10. Published 2026-03-05.

How severe is CVE-2026-28465?

Medium severity. CVSS v3 base score is 5.9 out of 10.

Vulnerability in Openclaw Voice-call

CVE-2026-28465

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 spoo…

EPSS: 0.001 (33.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N.

Affected products

Openclaw Voice-call — versions 0

Weakness classification (CWE)

CWE-290 — Authentication Bypass by Spoofing

References

GitHub Security Advisory (GHSA-3m3q-x3gj-f79x) (vendor-advisory)
Patch Commit (patch)
VulnCheck Advisory: OpenClaw voice-call < 2026.2.3 - Webhook Verification Bypass via Forwarded Headers (third-party-advisory)

Frequently asked questions

What is CVE-2026-28465?: CVE-2026-28465 is a medium-severity vulnerability in Openclaw Voice-call, classified under Authentication Bypass by Spoofing. CVSS score: 5.9/10. Published 2026-03-05.
How severe is CVE-2026-28465?: Medium severity. CVSS v3 base score is 5.9 out of 10.