Auth bypass in Getarcaneapp Arcane

CVE-2026-47125

Arcane is an interface for managing Docker containers, images, networks, and volumes. Prior to 1.19.2, the PUT /api/environments/{id}/templates/variables endpoint, which writes the system-wide .env.global file used for variable substitutio…

Vulnerability class: Broken Access Control

EPSS: 0.000 (13.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-47125?
CVE-2026-47125 is a high-severity vulnerability in Getarcaneapp Arcane, classified under Missing Authorization. CVSS score: 8.8/10. Published 2026-05-29.
How severe is CVE-2026-47125?
High severity. CVSS v3 base score is 8.8 out of 10.