CVE-2026-90770

EUVD-2026-76991
Spug through 3.4.0 contains a remote code execution vulnerability in the ping_check function that interpolates user-supplied monitor addresses directly into shell commands without validation. Authenticated users with monitor permissions can inject shell metacharacters via the /monitor/run_test/ endpoint to execute arbitrary commands as the Spug process user.
OS Command Injection
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
8.8 HIGH
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Awaiting analysis
This vulnerability is currently awaiting analysis.
Base Score
CVSS 3.x
EPSS Score
Percentile: Unknown
Common Weakness Enumeration
References
https://github.com/openspug/spug
https://github.com/openspug/spug/blob/v3.4.0/spug_api/apps/monitor/executors.py
https://github.com/openspug/spug/blob/v3.4.0/spug_api/apps/monitor/views.py
https://github.com/openspug/spug/commit/97aebf133e1f9cbb35ccebadab1faedfdfe93f42
https://github.com/openspug/spug/issues/741
https://www.vulncheck.com/advisories/spug-through-3.4.0-remote-code-execution-via-ping-check