Auth bypass in Getarcane Arcane
CVE-2026-42461
Arcane is an interface for managing Docker containers, images, networks, and volumes. Prior to version 1.18.0, four GET endpoints under /api/templates* in Arcane's Huma backend are registered without any Security requirement, allowing any…
Vulnerability class: Broken Access Control
EPSS: 0.000 (13.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.
Affected products
- Getarcane Arcane
- Getarcaneapp Arcane — versions < 1.18.0
Weakness classification (CWE)
References
- security-advisories@github.com (Product, x_refsource_MISC, Release Notes)
- security-advisories@github.com (x_refsource_CONFIRM, Vendor Advisory)
Frequently asked questions
- What is CVE-2026-42461?
- CVE-2026-42461 is a high-severity vulnerability in Getarcane Arcane, classified under Missing Authorization. CVSS score: 7.5/10. Published 2026-05-09.
- How severe is CVE-2026-42461?
- High severity. CVSS v3 base score is 7.5 out of 10.