CVE-2026-56244

High

Description

Capgo before 12.128.2 allows non-admin API keys to read webhook signing secrets via Supabase REST due to insufficient row-level security policies on the webhooks table. Attackers can retrieve the webhook secret and forge valid X-Capgo-Signature headers to send authenticated webhook events to configured receivers, breaking webhook authenticity and integrity.

SeverityHigh

CVSS7.1

Exploit probability—

ProductCapgo

PublishedJun 24, 2026

First seenJun 24, 2026

Weakness typeCWE-200Sensitive information exposure

How to fix

Update

Capgo Capgo12.128.2 or later

Vendor advisories

github.com/Cap-go/capgo/security/advisories/GHSA-qrrx-x3qf-x87v

Affected products

Product	Affected versions	Fixed in
Capgo Capgo	v < 12.128.2	12.128.2

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