Description
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: 2026-10-05
Score: 5.9 Medium
EPSS: n/a
KEV: No
AI Analysis

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Remediation

Vendor Workaround

The issue only affects the low-level LLB API with direct blob access from the registry. It can't be reached with Dockerfile builds.

Tracking

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Advisories

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History

Mon, 05 Oct 2026 17:45:00 +0000

Type Values Removed Values Added
Description 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.
Title Container blob cache can accept unverified content
Weaknesses CWE-354
References
Metrics cvssV4_0

{'score': 5.9, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:N/VI:H/VA:N/SC:N/SI:L/SA:N'}


Subscriptions

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cve-icon MITRE

Status: PUBLISHED

Assigner: Docker

Published:

Updated: 2026-10-05T17:43:44.903Z

Reserved: 2026-09-17T17:17:43.718Z

Link: CVE-2026-93317

cve-icon Vulnrichment

No data.

cve-icon NVD

No data.

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

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Weaknesses
  • CWE-354

    Improper Validation of Integrity Check Value