RCE in Getarcaneapp Arcane
CVE-2026-23520
Arcane provides modern docker management. Prior to 1.13.0, Arcane has a command injection in the updater service. Arcane’s updater service supported lifecycle labels com.getarcaneapp.arcane.lifecycle.pre-update and com.getarcaneapp.arcane…
Vulnerability class: Command Injection (OS Command Injection)
EPSS: 0.000 (12.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H.
Affected products
- Getarcaneapp Arcane — versions < 1.13.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- https://github.com/getarcaneapp/arcane/security/advisories/GHSA-gjqq-6r35-w3r8 (x_refsource_CONFIRM)
- https://github.com/getarcaneapp/arcane/pull/1468 (x_refsource_MISC)
- https://github.com/getarcaneapp/arcane/commit/5a9c2f92e11f86f8997da8c672844468f930b7e4 (x_refsource_MISC)
- https://github.com/getarcaneapp/arcane/releases/tag/v1.13.0 (x_refsource_MISC)
Frequently asked questions
- What is CVE-2026-23520?
- CVE-2026-23520 is a critical-severity vulnerability in Getarcaneapp Arcane, classified under OS Command Injection. CVSS score: 9.1/10. Published 2026-01-15.
- How severe is CVE-2026-23520?
- Critical severity. CVSS v3 base score is 9.1 out of 10.
- Is CVE-2026-23520 known to be exploited?
- 5 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.