BuildKit is a toolkit for converting source code to build artifacts in an efficient, expressive and repeatable manner. Prior to 0.31.1, a custom frontend could place an invalid SecurityMode value in a crafted build request, and executor/oci/spec_linux.go treated the unsupported value as a non-sandbox mode without requiring the security.insecure entitlement. This disabled Seccomp and AppArmor protections for the build container even though Linux capabilities remained restricted. This issue is fixed in version 0.31.1.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Amazon Linux Ami 2 | — | Upgrade runfinch-finch | Oct 19, 2026 | Oct 19, 2026 |
| Amazon_linux_2023 | — | Upgrade runfinch-finch | Sep 30, 2026 | Aug 19, 2026 |
| Redhat_linux | — | No solution exists | Sep 2, 2026 | Aug 19, 2026 |
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