CVE-2026-15793
Published: July 21, 2026Last modified: August 11, 2026
Description
BuildKit custom frontends or clients using the raw low-level API can set git.checkoutbundle=true when checking out Git sources. If the Git source is malicious, this could lead to a crafted command invocation on the host.
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 7.5 |
| Attack Vector | NETWORK |
| Attack complexity | LOW |
| Privileges required | NONE |
| User interaction | NONE |
| Scope | UNCHANGED |
| Confidentiality | NONE |
| Integrity impact | HIGH |
| Availability impact | NONE |
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N |
Notes
For Stream: - not affected in buildah, podman because fixed code is not used there; - not affected in docker-cli-buildx, osv-scanner because they used buildkit version v0.32.2 where this CVE is fixed. For 25 LTS: - not affected in buildah, docker-cli-buildx, podman because fixed code is not used there. For 23 LTS: - not affected in buildah, podman because fixed code is not used there.
Status
| Product | Release | Package | Status |
|---|---|---|---|
| Alpaquita Linux | 23 LTS | buildah | Not affected (1.28.0-r1) |
| podman | Not affected (4.3.1-r0) | ||
| 25 LTS | buildah | Not affected (1.40.0-r0) | |
| docker-cli-buildx | Not affected (0.24.0-r0) | ||
| podman | Not affected (5.5.0-r0) | ||
| Stream | buildah | Not affected (1.31.0-r0) | |
| docker-cli-buildx | Not affected (0.11.0-r0) | ||
| osv-scanner | Not affected (2.1.0-r2) | ||
| podman | Not affected (4.5.1-r1) |