RCE in Dokku
CVE-2026-45408
Dokku is a docker-powered PaaS. Prior to 0.38.2, the app name validation regex (^[a-z0-9][^/:_A-Z]*$) permits shell metacharacters. When an authenticated user pushes to a git remote with a crafted app name, the name is embedded unquoted in…
Vulnerability class: Command Injection (OS Command Injection)
CVSS v3 metric
CVSS v3 base score 9.0 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H.
Affected products
- Dokku — versions < 0.38.2
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_CONFIRM, Vendor Advisory)
- security-advisories@github.com (Patch, x_refsource_MISC, Issue Tracking)
Frequently asked questions
- What is CVE-2026-45408?
- CVE-2026-45408 is a critical-severity vulnerability in Dokku, classified under OS Command Injection. CVSS score: 9.0/10. Published 2026-06-26.
- How severe is CVE-2026-45408?
- Critical severity. CVSS v3 base score is 9.0 out of 10.