RCE in Dokku

CVE-2026-45406

Dokku is a docker-powered PaaS. Prior to 0.38.2, the openresty-vhosts plugin copies files from an app's openresty/http-includes/ git repository directory to the host and then interpolates their filenames, unescaped, into a single-quoted sh…

EPSS: 0.003 (20.2th percentile) — read the EPSS interpretation.

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

Frequently asked questions

What is CVE-2026-45406?
CVE-2026-45406 is a critical-severity vulnerability in Dokku, classified under Eval Injection. CVSS score: 9.0/10. Published 2026-06-26.
How severe is CVE-2026-45406?
Critical severity. CVSS v3 base score is 9.0 out of 10.