CVE-2026-56334: Capgo - Missing UPDATE RLS Policy for Build Status Persistence

Severity: medium (CVSS 4.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-06-30 · updated 2026-07-01
Weakness: CWE-284

Description

Capgo before 12.128.2 lacks an UPDATE row-level security policy for the build_requests table, preventing API-key and anonymous access from persisting builder status updates. Attackers can exploit this missing policy to cause build status and error details to remain unpersisted, leaving build_requests rows stuck in pending state with null last_error values.

Affected products

Capgo: before 12.128.2 — fixed in 12.128.2

How to fix

Upgrade to a fixed version: Capgo 12.128.2. Check the vendor advisory for mitigations.

References

https://github.com/Cap-go/capgo/security/advisories/GHSA-gc46-h5j6-qp6q
https://www.vulncheck.com/advisories/capgo-missing-update-rls-policy-for-build-status-persistence
https://github.com/Cap-go/capgo/security/advisories/GHSA-gc46-h5j6-qp6q

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