What is CVE-2026-45626?

CVE-2026-45626 is a medium-severity vulnerability in Getarcaneapp Arcane, classified under OS Command Injection. CVSS score: 6.3/10. Published 2026-05-29.

How severe is CVE-2026-45626?

Medium severity. CVSS v3 base score is 6.3 out of 10.

RCE in Getarcaneapp Arcane

CVE-2026-45626

Arcane is an interface for managing Docker containers, images, networks, and volumes. In 1.18.1 and earlier, GET /environments/{id}/volumes/{volumeName}/browse accepts a path query parameter that is passed to a shell command (sh -c "find ……

Vulnerability class: Command Injection (OS Command Injection)

EPSS: 0.001 (29.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.

Affected products

Getarcaneapp Arcane — versions <= 1.18.1

Weakness classification (CWE)

CWE-78 — OS Command Injection

References

security-advisories@github.com (x_refsource_CONFIRM)

Frequently asked questions

What is CVE-2026-45626?: CVE-2026-45626 is a medium-severity vulnerability in Getarcaneapp Arcane, classified under OS Command Injection. CVSS score: 6.3/10. Published 2026-05-29.
How severe is CVE-2026-45626?: Medium severity. CVSS v3 base score is 6.3 out of 10.