docker-socket-proxy through 0.5.0 Insufficient Access Control Granularity Exposes Container Filesystems
docker-socket-proxy fails to properly gate read endpoints in the /containers Docker API namespace when the CONTAINERS environment variable is set. Attackers can use GET requests to /containers/{id}/archive, /containers/{id}/export, /containers/{id}/logs, and /containers/{id}/top to read arbitrary files and download entire container filesystems as tar archives.
CVE-2026-78122
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-2026-78122
docker-socket-proxy
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": "Tecnativa",
"product": "docker-socket-proxy",
"versions": [
{
"status": "affected",
"version": "0",
"versionType": "semver",
"lessThanOrEqual": "0.5.0"
}
],
"packageURL": "pkg:docker/tecnativa/docker-socket-proxy",
"collectionURL": "https://hub.docker.com/r/tecnativa/docker-socket-proxy",
"defaultStatus": "unaffected"
}
]- Related CVEs
- CVE-2026-78122
Source reference:
/cveMetadata/cveId
Publisher severity
high
Source reference: /containers/cna/metrics
- Event
- #992 · Revision 1
- Added to Heist Feed
- Publisher date