9 in 10 Docker Compose files skip the basic security flags
A recent analysis of over 6,400 Docker Compose files revealed that 91% of them have at least one security issue. The most common problems include missing hardening flags that could enhance security. The findings suggest that many users are not aware of these recommended configurations due to defaults being set to insecure options.
- ▪91% of Docker Compose files analyzed have at least one security finding.
- ▪68% of the files contain at least one HIGH or CRITICAL security issue.
- ▪The most common issues involve missing hardening flags, which are rarely enabled by default.
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| Original publisher | DEV.to (Top) |
| Canonical URL | https://dev.to/tmatens/9-in-10-docker-compose-files-skip-the-basic-security-flags-2dpf |
| Publication time | Fri, 22 May 2026 22:48:21 +0000 |
| Retrieval time | 2026-05-22T23:02:03.354Z |
| Last seen | 2026-05-22T23:02:03.354Z |
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try { if(localStorage) { let currentUser = localStorage.getItem('current_user'); if (currentUser) { currentUser = JSON.parse(currentUser); if (currentUser.id === 3946817) { document.getElementById('article-show-container').classList.add('current-user-is-article-author'); } } } } catch (e) { console.error(e); } Todd Matens Posted on May 22 9 in 10 Docker Compose files skip the basic security flags #docker #security #containers #opensource I created compose-lint, a security linter for Docker Compose files, and pointed it at 6,444 public docker-compose.yml and compose.yaml files from GitHub. (More on why below.) Three numbers stood out: 91% of the files that parse have at least one security finding. 68% have at least one HIGH or CRITICAL finding.
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