CVE-2026-42461
Arcane Vulnerable to Unauthenticated Disclosure of Custom Compose Template Content (incl. `.env` secrets) in github.com/getarcaneapp/arcane/backend
EPSS 0.31%
Description
Arcane Vulnerable to Unauthenticated Disclosure of Custom Compose Template Content (incl. `.env` secrets) in github.com/getarcaneapp/arcane/backend
How to fix CVE-2026-42461
To remediate CVE-2026-42461, upgrade the affected package to a fixed version below.
- Go/github.com/getarcaneapp/arcane/backend—upgrade to 1.18.0 or later
- Go/github.com/getarcaneapp/arcane/backend—upgrade to 1.18.0 or later
Is CVE-2026-42461 being exploited?
Low — EPSS is 0.3%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 1.18.0
- from 0, < 1.18.0
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 4.0 | — | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N |