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Medium severityNVD Advisory· Published Aug 19, 2026· Updated Sep 9, 2026

CVE-2026-61711

CVE-2026-61711

Description

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.

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Affected packages

Versions sourced from the GitHub Security Advisory.

PackageAffected versionsPatched versions
github.com/moby/buildkitGo
< 0.31.10.31.1

Affected products

48

Patches

Vulnerability mechanics

References

5

News mentions

0

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