HIGHCVE-2026-56244Published Modified CNA VulnCheck
CVE-2026-56244: Capgo - Webhook Signing Secret Disclosure via Non-Admin API Key
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.
Metrics
- CVSS v4.0
- 7.1
- Severity
- HIGH
- Fixed in
- 12.128.2
- Affected Products
- 1
Fix available
12.128.2
Affected packages
- Capgo / Capgo< 12.128.2 (from 0)Fixed in 12.128.2
CVSS Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N