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CVE-2026-90770NVD
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.
CVSS Base Metrics
CVSS v3 (3.1)
HIGH 8.8
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS v4 (4.0)
HIGH 8.7
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Weaknesses (CWE)
CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Affected & Patched Versions
| Product | Affected Versions | Patched Version |
|---|---|---|
| openspug spug | 0 - <= 3.4.0 | N/A |
References
- https://github.com/openspug/spug/issues/741
- 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://www.vulncheck.com/advisories/spug-through-3.4.0-remote-code-execution-via-ping-check