High severity7.4NVD Advisory· Published Aug 22, 2026
CVE-2026-78122
CVE-2026-78122
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.
Affected products
1Patches
Vulnerability mechanics
References
5- gist.github.com/nedlir/e4f52f88a757f02c67db1fd5dd70d732nvd
- github.com/Tecnativa/docker-socket-proxy/blob/v0.5.0/haproxy.cfgnvd
- github.com/Tecnativa/docker-socket-proxy/issues/182nvd
- github.com/Tecnativa/docker-socket-proxy/pull/183nvd
- www.vulncheck.com/advisories/docker-socket-proxy-through-insufficient-access-control-granularity-exposes-container-filesystemsnvd
News mentions
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