CVE-2026-33747
CriticalAdvisory
Published 26 Mar 2026In the index since 5 Sept 2026
- Severity
- Critical
- worst across findings
- CVSS
- 9.8
- base score, highest
- EPSS
- 0.005
- 41st percentile
- CISA KEV
- Not listed
- no confirmed exploitation
- Charts affected
- 77
- of 17,781 indexed, latest versions
- Container images
- 68
- deployed by those charts
- Fix available
- 2 of 2
- affected packages
BuildKit's Malicious frontend can cause file escape outside of storage root
Carried by container images the latest versions of 77 of 17,781 indexed charts deploy, on 68 images.
| Affected package | Affected versions | Fixed in | Images |
|---|---|---|---|
| docker.iodeb | 20.10.24+dfsg1-1+deb12u1+b6, 26.1.5+dfsg1-9+b13 | 26.1.5+dfsg1-9+deb13u1 | 2 |
| github.com/ | v0.0.0-20181107081847-c3a857e3fca0, v0.0.0-20260906160352-29f5975892d6, v0.7.2, v0.8.1+27 more | 0.28.1 | 66 |
- OSV records
- DEBIAN-CVE-2026-33747GHSA-4c29-8rgm-jvjj
- Also known as
- GO-2026-4858
Charts affected
77 by stars
Container images carrying it
68 by charts deploying them
A fixed version is listed for 2 of the 2 affected packages.
| Container image | Digest | Package | Fixed in | Used by |
|---|---|---|---|---|
| wurstmeister/ | 2d4bbf9cc83d | github.com/ | 0.28.1 | 7 |
| quay.io/ | 605eaa5d469c | github.com/ | 0.28.1 | 7 |
| library/ | af96c680a7e1 | github.com/ | 0.28.1 | 3 |
| quay.io/ | 98580969b333 | github.com/ | 0.28.1 | 3 |
| uselagoon/ | 2c89ed939b8b | github.com/ | 0.28.1 | 2 |
| quay.io/ | 464a3af4dfe0 | github.com/ | 0.28.1 | 2 |
| quay.io/ | bb5e052770e5 | github.com/ | 0.28.1 | 2 |
| 1dev/ | cd5b12fe5471 | github.com/ | 0.28.1 | 1 |
| appwrite/ | 1aaa70127114 | github.com/ | 0.28.1 | 1 |
| appwrite/ | adc7d0e7ec23 | github.com/ | 0.28.1 | 1 |
| aquasec/ | 6e790e233872 | github.com/ | 0.28.1 | 1 |
| aquasec/ | 7ea4aa3d2eb6 | github.com/ | 0.28.1 | 1 |
| aquasec/ | 944a04445179 | github.com/ | 0.28.1 | 1 |
| aquasec/ | 973d0df16189 | github.com/ | 0.28.1 | 1 |
| aquasec/ | bcc376de8d77 | github.com/ | 0.28.1 | 1 |
| artifacthub/ | 111918d8c399 | github.com/ | 0.28.1 | 1 |
| artifacthub/ | 2d8365601f0e | github.com/ | 0.28.1 | 1 |
| artifacthub/ | 323d026e78c3 | github.com/ | 0.28.1 | 1 |
| artifacthub/ | 6596c8c4d955 | github.com/ | 0.28.1 | 1 |
| datadog/ | aad9994de6a7 | github.com/ | 0.28.1 | 1 |
| devopstales/ | 75136aa7a26e | github.com/ | 0.28.1 | 1 |
| dollarshaveclub/ | 14a257836529 | github.com/ | 0.28.1 | 1 |
| gitea/ | 6120b1165f3a | github.com/ | 0.28.1 | 1 |
| gitea/ | 7940221bcfc9 | github.com/ | 0.28.1 | 1 |
| gitea/ | c2a169c5e998 | github.com/ | 0.28.1 | 1 |
| gitea/ | c57233403eff | github.com/ | 0.28.1 | 1 |
| goharbor/ | 5c6f7162804c | github.com/ | 0.28.1 | 1 |
| goharbor/ | b9522c3f5056 | github.com/ | 0.28.1 | 1 |
| goharbor/ | dc5b882a7db4 | github.com/ | 0.28.1 | 1 |
| hashicorp/ | 97d521a27498 | github.com/ | 0.28.1 | 1 |
| hiversh/ | b0b85f8942c7 | docker.io | no fix listed | 1 |
| kfirfer/ | c257c1e0e8b9 | github.com/ | 0.28.1 | 1 |
| library/ | 1d148deae16a | github.com/ | 0.28.1 | 1 |
| library/ | 2a232a42256f | github.com/ | 0.28.1 | 1 |
| library/ | 3153fa63f546 | github.com/ | 0.28.1 | 1 |
| library/ | 851f91d24121 | github.com/ | 0.28.1 | 1 |
| library/ | aa3df78ecf32 | github.com/ | 0.28.1 | 1 |
| library/ | afa5d5134900 | github.com/ | 0.28.1 | 1 |
| library/ | d9a0fd8bdd15 | github.com/ | 0.28.1 | 1 |
| library/ | dd43b430341a | github.com/ | 0.28.1 | 1 |
| linuxserver/ | 45c5fe102ff3 | github.com/ | 0.28.1 | 1 |
| moby/ | 07115a67cd22 | github.com/ | 0.28.1 | 1 |
| moby/ | bc964521ee58 | github.com/ | 0.28.1 | 1 |
| nousresearch/ | e0df6adebddf | docker.io | 26.1.5+dfsg1-9+deb13u1 | 1 |
| portainer/ | 3e61aaee1341 | github.com/ | 0.28.1 | 1 |
| portainer/ | 511f3f06c96f | github.com/ | 0.28.1 | 1 |
| thmmniii/ | 86105349c1a3 | github.com/ | 0.28.1 | 1 |
| gcr.io/ | 4e7a52dd1f14 | github.com/ | 0.28.1 | 1 |
| ghcr.io/ | a608b798fda5 | github.com/ | 0.28.1 | 1 |
| ghcr.io/ | 9ab9a675c405 | github.com/ | 0.28.1 | 1 |