Medium
Container blob cache can accept unverified content
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.
Announced Source revision 1
Original source ↗CVE-2026-93317
Primary source · Revision 1
Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.
Security context
Source reference: cve:CVE-2026-93317
BuildKit
Source reference: /containers/cna/affected/0/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Structured affected-version data
Original package identities and version rules from this source.
[
{
"vendor": "moby",
"product": "BuildKit",
"versions": [
{
"status": "affected",
"version": "0.28.0",
"lessThan": "0.33.1",
"versionType": "semver"
}
],
"packageName": "github.com/moby/buildkit",
"defaultStatus": "unaffected"
}
]- Related CVEs
- CVE-2026-93317
Source reference:
/cveMetadata/cveId
Publisher severity
medium
Source reference: /containers/cna/metrics
- Event
- #8901 · Revision 1
- Added to Heist Feed
- Publisher date