Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1336 CNY

100%
Buy Us a Coffee

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

Quick assessment

Affected
Tecnativa docker-socket-proxy
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

当设置 环境变量时，docker-socket-proxy 未能对 Docker API 中 命名空间下的读取端点进行有效限制。攻击者可以通过向 、 、 以及 发起 GET 请求，读取任意文件，并将整个容器文件系统作为 tar 归档文件下载。

CVSS 7.4 · High EPSS 0.32% · P24

Possible ATT&CK Techniques 1 AI

T1005 · Data from Local System

Affected Version Matrix 1

VendorProduct Version RangeStatus
Tecnativa docker-socket-proxy ≤ 0.5.0 affected
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2026-78122

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
docker-socket-proxy through 0.5.0 Insufficient Access Control Granularity Exposes Container Filesystems
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
CWE-1220
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Tecnativa docker-socket-proxy 0 ~ 0.5.0 -

II. Public POCs for CVE-2026-78122

# POC Description Source Link Shenlong Link
AI-Generated POC Premium
Qwen3.6-35B-A3B · 9874 chars
Pro+ exclusive includes:
Vulnerability reproduction recording (real sandbox build + trigger, exclusive)
In-depth vulnerability mechanism
Trigger conditions & impact
Full executable POC code
Exploit chain & mitigation
POC zip download
100+ AI POC generations per month

III. Intelligence Information for CVE-2026-78122

请登录查看更多情报信息。

Patches & Fixes for CVE-2026-78122 (1)

Vendor Advisories for CVE-2026-78122 (2)

Proof of Concept for CVE-2026-78122 (1)

Other References for CVE-2026-78122 (2)

IV. Related Vulnerabilities

Same weakness: CWE-1220

V. Comments for CVE-2026-78122

No comments yet

Leave a comment