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CVE-2026-103433— Bake filesystem entitlement consent is skipped for certain secret and oci-layout definitions

Quick assessment

Affected
Docker Docker Buildx
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Docker Buildx Bake 在处理某些文件系统输入时，未请求预期的 fs.read 权限审批。不受信任的 Bake 定义可能通过无路径的 secret（其 ID 被解释为客户端路径名）暴露一个可读文件；或者在 entitlement 验证检查了不同的路径表示后，消耗项目外部的本地 OCI 镜像布局。运行不受信任的 Bake 定义的用户会受到影响。

CVSS 6.9 · Medium
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I. Basic Information for CVE-2026-103433

Vulnerability Information
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Vulnerability Title
Bake filesystem entitlement consent is skipped for certain secret and oci-layout definitions
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制缺失
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Docker Docker Buildx 0 ~ 0.37.2 -

II. Public POCs for CVE-2026-103433

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III. Intelligence Information for CVE-2026-103433

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Vendor Pages for CVE-2026-103433 (1)

Other References for CVE-2026-103433 (3)

IV. Related Vulnerabilities

Same vendor: Docker
Same weakness: CWE-862

V. Comments for CVE-2026-103433

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