docker-socket-proxy through 0.5.0 Insufficient Access Control Granularity Exposes Container Filesystems
Historical advisory recorded 23 Oct 2026 15:48:27 UTC. Read the latest advisory.
cve-program · CVE-2026-78122
Publisheddocker-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.
Read the publisher's advisoryAffected versions, risk and source history
cve-program · CVE-2026-78122
Publisheddocker-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.
- Source published
- 22 Aug 2026 23:06:32 UTC
- Source modified
- 24 Sep 2026 14:19:41 UTC
- Saved here
- 23 Oct 2026 15:48:27 UTC
- Source terms
- CVE Program Terms of Use
Original source record · Cite this exact observation · Complete original publisher JSON
Source: cve-program · CVE Program Terms of Use. The publisher's wording is preserved. ChangeIntel groups the information and labels changes. The JSON record includes additional source fields.
CVSS 4.0 · 8.3 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
CVSS 3.1 · 7.4 CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N