๐Ÿ” CVE Alert

CVE-2026-56244

HIGH 7.1

Capgo - Webhook Signing Secret Disclosure via Non-Admin API Key

CVSS Score
7.1
EPSS Score
0.0%
EPSS Percentile
0th

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.

CWE CWE-200
Vendor capgo
Product capgo
Published Jun 24, 2026
Last Updated Jun 24, 2026
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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
Low
Availability
None

Affected Versions

Capgo / Capgo
0 < 12.128.2

References

NVD โ†— CVE.org โ†— EPSS Data โ†—
github.com: https://github.com/Cap-go/capgo/security/advisories/GHSA-qrrx-x3qf-x87v vulncheck.com: https://www.vulncheck.com/advisories/capgo-webhook-signing-secret-disclosure-via-non-admin-api-key

Credits

๐Ÿ” Judel777