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Medium 6.0Published Oct 5, 2026
CVE-2026-93320BuildKit improperly handles special files in build snapshots
Updated under an hour ago ()
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It affects moby BuildKit. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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BuildKit may be tricked into performing file actions with special file inodes where regular files are expected. Special files may block operations or, on rootful workers, allow unintended host device access.
- CVSS
- 6.0 MEDIUM (v4.0, CNA)CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:L/VA:L/SC:N/SI:H/SA:H
- Weakness (CWE)
- CWE-441
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Docker
- NVD analysis
- Awaiting Analysis
- Record last updated
- Oct 5, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
moby BuildKit moby:buildkit (from the name) | through 0.33.0 | CNA record |
References
- https://github.com/moby/buildkit/security/advisories/GHSA-9728-qjrv-2xh2vendor-advisory
- https://github.com/moby/buildkit/releases/tag/v0.33.1patch
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.