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High 7.5Published Jun 19, 2026

CVE-2026-56082Capgo - Unauthenticated Cross-Tenant Billing Log Tampering via public.record_build_time RPC

Updated under an hour ago ()

Does this affect you?

It affects Cap-go capgo. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

Capgo (Cap-go/capgo) before 12.128.2 contains an improper access control vulnerability in the SECURITY DEFINER PostgREST RPC function public.record_build_time, which is granted to the anon role and callable with only the public Supabase publishable (sb_publishable_*) anon key. An unauthenticated attacker can insert rows into public.build_logs for arbitrary organizations and, because the function uses ON CONFLICT (build_id, org_id) DO UPDATE, can overwrite existing usage/billing records by reusing the same build_id for a target org. This enables cross-tenant tampering of billing build logs and financial-impact denial of service by inflating billable build time.

CVSS
7.5 HIGH (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Weakness (CWE)
CWE-284
Known exploited
Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days)
Not loaded for this CVE
Assigned by
VulnCheck
NVD analysis
Deferred
Record last updated
Jun 22, 2026
First seen by InfoSec Signals
Oct 9, 2026

Affected products

Affected products
Cap-go capgo
cap_go:capgo (from the name)
before 12.128.2; 12.128.2 not affected
CNA record

References

References

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.

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