CVE-2026-90770
Medium
Elevated severity or exploit probability.
CVSS base
8.8
HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS — probability of exploitation (30 days)
1.3%
69.6th percentile
CISA KEV
Not listed
Weakness / dates
CWE-78
Published 2026-09-13 · modified 2026-09-23
Description
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.
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