DEBIAN-CVE-2026-121541

Source
https://security-tracker.debian.org/tracker/CVE-2026-121541
Import Source
https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-121541.json
JSON Data
https://api.osv.dev/v1/vulns/DEBIAN-CVE-2026-121541
Upstream
Published
2026-11-03T22:19:46Z
Modified
2026-11-04T23:01:33Z
Severity
  • 5.6 (Medium) CVSS_V4 - CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X CVSS Calculator
Summary
[none]
Details

In Docker Buildx versions v0.19.0 through v0.38.0, an untrusted Bake definition that builds multiple targets together may expose files accessible to the Buildx client without the expected fs.read approval. Under certain conditions, filesystem paths from some targets are not verified against the approved entitlements. Users who run untrusted Bake definitions may be affected. The issue is fixed in v0.38.1.

References

Affected packages

Debian:13 / docker-buildx

Package

Name
docker-buildx
Purl
pkg:deb/debian/docker-buildx?arch=source&distro=trixie

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected

Affected versions

0.*
0.13.1+ds1-3
0.19.3+ds1-1
0.19.3+ds1-2
0.19.3+ds1-3
0.19.3+ds1-4
0.29.1+ds1-1
0.29.1+ds1-2
0.29.1+ds1-3
0.29.1+ds1-4

Ecosystem specific

{
    "urgency": "not yet assigned"
}

Database specific

source
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-121541.json"

Debian:14 / docker-buildx

Package

Name
docker-buildx
Purl
pkg:deb/debian/docker-buildx?arch=source&distro=forky

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected

Affected versions

0.*
0.13.1+ds1-3
0.19.3+ds1-1
0.19.3+ds1-2
0.19.3+ds1-3
0.19.3+ds1-4
0.29.1+ds1-1
0.29.1+ds1-2
0.29.1+ds1-3
0.29.1+ds1-4

Ecosystem specific

{
    "urgency": "not yet assigned"
}

Database specific

source
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-121541.json"