CVE-2026-93317
5.9
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
Summary
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.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| moby | BuildKit | 0.28.0 < 0.33.1 | affected |
Weaknesses
- CWE-354: CWE-354: Improper Validation of Integrity Check Value
Workarounds
The issue only affects the low-level LLB API with direct blob access from the registry. It can't be reached with Dockerfile builds.
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: no
- Technical Impact: partial
References
- https://github.com/moby/buildkit/security/advisories/GHSA-p3rc-w3hc-pqvv
- https://github.com/moby/buildkit/releases/tag/v0.33.1
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