BuildKit: Custom frontend could bypass Seccomp/AppArmor
### Impact A custom frontend could send a crafted build request that disabled Seccomp and AppArmor protections for the build container, even if the user did not explicitly allow the `security.insecure` entitlement. Other security measures, like Linux capabilities were still applied to these containers. ### Patches Problem has been fixed in versions v0.31.1+ ### Workarounds Only use BuildKit frontends from trusted providers.
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describes (1)
Related CVEs.
| ID | severity | exploitable | ||
|---|---|---|---|---|
| CVE-2026-61711US | — | — | ||
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 Sec… | ||||
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references
External citations — patches, advisories, analysis.
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