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    CVE-2026-93317

    An unauthenticated attacker controlling a registry or OCI-layout blob source could provide blob contents that did not match the claimed digest. The resulting snapshot could be cached under that digest and reused by a later victim build, compromising build-input integrity.

    Published:Oct 5, 2026
    Last Modified:Oct 5, 2026
    EPS:Oct 5, 2026
    EPSS Score:
    CVSS Score:5.9

    Affected Products

    Vendor
    Moby
    Product
    Buildkit

    Exploits

    No exploit reference

    Related CVEs

    CVE-2026-121520 (CVSS 4.5) — In BuildKit versions prior to v0.34.1, a malicious client with access to the BuildKit control APIs can submit …
    CVE-2026-121522 (CVSS 6.7) — In BuildKit versions v0.26.0 through v0.34.1, a specific build definition that resolves metadata for the same …
    CVE-2026-93321 (CVSS 6.9) — A malicious frontend can submit an LLB definition that causes buildkitd to panic and terminate, interrupting a…
    CVE-2026-93315 (CVSS 5.8) — When proxy networking with CA injection is enabled, a build can modify its CA bundle before cleanup. This may …
    CVE-2026-93326 (CVSS 6) — A build step for a Git source, crafted in a specific way, can bypass some policy validation rules. A malicious…
    CVE-2026-93323 (CVSS 6.8) — The Dockerfile frontend loaded the Dockerfile and .dockerignore files of a build context into memory without a…
    CVE-2026-93322 (CVSS 6.9) — A malicious frontend can submit an LLB definition that causes buildkitd to panic and terminate, interrupting a…
    CVE-2026-93320 (CVSS 6) — BuildKit may be tricked into performing file actions with special file inodes where regular files are expected…
    CVE-2026-93319 (CVSS 5.7) — A malicious external BuildKit frontend can send requests using the internal API that can create conditions for…
    CVE-2026-93318 (CVSS 7.5) — A malicious image can advertise DiffIDs from another image while containing different layer contents. In affec…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High