Reference page — cumulative record through Sunday, October 4, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.
CVE-2026-78122
Tecnativa docker-socket-proxy — docker-socket-proxy through 0.5.0 Insufficient Access Control Granularity Exposes Container Filesystems
AV AC AT PR UI VC VI VA CVSS EPSS %ile KEV
A L N N N H N N 8.3 .0031 21.6 —
AFFECTED
Product Versions Fixed
docker-socket-proxy unspecified —
TIMELINE
Aug 22 Reserved by VulnCheck
Aug 22 Published (CNA: VulnCheck)
Aug 26 EXPLOIT PUBLISHED — CVE-2026-78122 (Tecnativa docker-socket-proxy). Public exploit reference added.
Aug 29 EXPLOIT PUBLISHED — CVE-2026-78122 (Tecnativa docker-socket-proxy). Public exploit reference 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.
Lifecycle
Complete event history — 4 events, chronological
| Date | Event | Detail |
|---|
| August 22, 2026 | Reserved | Reserved by VulnCheck |
| August 22, 2026 | Published | Published (CNA: VulnCheck) |
| August 26, 2026 | EXPLOIT PUBLISHED | EXPLOIT PUBLISHED — CVE-2026-78122 (Tecnativa docker-socket-proxy). Public exploit reference added. |
| August 29, 2026 | EXPLOIT PUBLISHED | EXPLOIT PUBLISHED — CVE-2026-78122 (Tecnativa docker-socket-proxy). Public exploit reference added. |
Affected
Affected products and packages — 1 row
| Vendor | Product / Package | Ecosystem | Version introduced | Fixed |
|---|
| Tecnativa | docker-socket-proxy | — | — | — |
About this page
This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2026-78122 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Sunday, October 4, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.
