CVE-2026-103433

Medium

Description

Docker Buildx Bake does not request the expected fs.read approval for certain filesystem inputs. An untrusted Bake definition can expose a readable file through a pathless secret whose ID is interpreted as a client-side pathname, or consume a local OCI image layout outside the project after entitlement validation checks a different path representation. Users who run untrusted Bake definitions are affected.

SeverityMedium

CVSS6.9

Exploit probability—

Product

Docker Buildx

PublishedOct 5, 2026

First seenOct 5, 2026

Weakness typeCWE-862Missing authorization

How to fix

Update

Docker Docker Buildx0.37.2 or later

Patches

github.com/docker/buildx/releases/tag/v0.37.2

Vendor advisories

github.com/docker/buildx/security/advisories/GHSA-p54p-jq4x-rc28

Affected products

Product	Affected versions	Fixed in
Docker Docker Buildx	v < 0.37.2	0.37.2

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