Vulnerability 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 Score
HIGH
Related Weaknesses (CWE)
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-vi
FAQ
What is CVE-2026-90770?
CVE-2026-90770 is a vulnerability with a CVSS score of 8.8 (HIGH). 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. Authenti...
How severe is CVE-2026-90770?
CVE-2026-90770 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-90770?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.