CVE-2026-56245

Supabase Capgo before 12.128.2 contains an authorization bypass vulnerability in the SECURITY DEFINER record_build_time RPC function that allows unauthenticated attackers to insert arbitrary build-time records. Attackers can exploit this by calling POST /rest/v1/rpc/record_build_time with a public API key to poison billing and quota data for any organization, enabling resource exhaustion and cross-tenant billing manipulation.

CVSS v3 8.2 HIGH

8.2^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 4.2

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact HIGH

Availability Impact LOW

Scope UNCHANGED

References

Link	Resource
https://github.com/Cap-go/capgo/security/advisories/GHSA-42f8-v563-5763
https://www.vulncheck.com/advisories/supabase-capgo-unauthenticated-cross-tenant-build-time-accounting-poisoning-via-record-build-time-rpc
https://github.com/Cap-go/capgo/security/advisories/GHSA-42f8-v563-5763

Configurations

No configuration.

History

No history.

Information

Published : 2026-06-24 13:16

Updated : 2026-06-25 14:03

NVD link : CVE-2026-56245

Mitre link : CVE-2026-56245

CVE.ORG link : CVE-2026-56245

JSON object : View

Products Affected

No product.

CWE

CWE-269

Improper Privilege Management

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