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CVE-2026-78122 – docker-socket-proxy through 0.5.0 Insufficient Access Control Granularity Exposes Container Filesystems

Posted on August 23, 2026
CVE ID :CVE-2026-78122

Published : Aug. 22, 2026, 11:16 p.m. | 1 hour, 18 minutes ago

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.

Severity: 8.3 | HIGH

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