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.
History

Sat, 22 Aug 2026 23:15:00 +0000

Type Values Removed Values Added
Description 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.
Title docker-socket-proxy through 0.5.0 Insufficient Access Control Granularity Exposes Container Filesystems
Weaknesses CWE-1220
References
Metrics cvssV3_1

{'score': 7.4, 'vector': 'CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N'}

cvssV4_0

{'score': 8.3, 'vector': 'CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N'}


cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-08-22T23:06:32.896Z

Reserved: 2026-08-22T22:56:18.102Z

Link: CVE-2026-78122

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-08-22T23:16:22.923

Modified: 2026-08-22T23:16:22.923

Link: CVE-2026-78122

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-08-23T00:30:17Z