High severity8.8NVD Advisory· Published Sep 13, 2026
CVE-2026-90770
CVE-2026-90770
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.
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Affected products
2Patches
Vulnerability mechanics
References
5- github.com/openspug/spug/blob/v3.4.0/spug_api/apps/monitor/executors.pynvd
- github.com/openspug/spug/blob/v3.4.0/spug_api/apps/monitor/views.pynvd
- github.com/openspug/spug/commit/97aebf133e1f9cbb35ccebadab1faedfdfe93f42nvd
- github.com/openspug/spug/issues/741nvd
- www.vulncheck.com/advisories/spug-through-3.4.0-remote-code-execution-via-ping-checknvd
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