CVEvulnerability
CVE-2026-78122
8.3 HIGH
Official page ↗
- Status
- Deferred
- Published
- 2026-08-22
- Last modified
- 2026-10-12
- Assigner
- [email protected]
- CVSS 4.0 ([email protected])
- 8.3 HIGH — 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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
- CVSS 3.1 ([email protected])
- 7.4 HIGH — CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N
- Weaknesses
- CWE-1220
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.
Related
Weakness · CWE (1)
- CWE-1220 Insufficient Granularity of Access Control weakness
References
- https://gist.github.com/nedlir/e4f52f88a757f02c67db1fd5dd70d732 gist.github.com
- https://github.com/Tecnativa/docker-socket-proxy github.com
- https://github.com/Tecnativa/docker-socket-proxy/blob/v0.5.0/haproxy.cfg#L49-L61 github.com
- https://github.com/Tecnativa/docker-socket-proxy/issues/182 github.com
- https://github.com/Tecnativa/docker-socket-proxy/pull/183 github.com
- https://www.vulncheck.com/advisories/docker-socket-proxy-through-insufficient-access-control-granularity-exposes-container-filesystems www.vulncheck.com
- https://github.com/Tecnativa/docker-socket-proxy/issues/182 github.com