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.
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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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References
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 |
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| Metrics |
cvssV4_0
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Subscriptions
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Status: PUBLISHED
Assigner: Docker
Published:
Updated: 2026-10-05T17:43:44.903Z
Reserved: 2026-09-17T17:17:43.718Z
Link: CVE-2026-93317
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OpenCVE Enrichment
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Weaknesses
-
CWE-354
Improper Validation of Integrity Check Value