HIGH

CVE-2026-90770

Spug through 3.4.0 Remote Code Execution via ping_check

CVSS v3

8.8

HIGH

EPSS Score

1.3 %

exploit probability, as of 2026-09-25

CISA KEV

known exploited

Exploitation

—

SSVC status

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.

Technical details

Published: 2026-09-13
Last Modified: 2026-09-13

Frequently asked questions

What is CVE-2026-90770?

Is CVE-2026-90770 actively exploited?

Active exploitation of CVE-2026-90770 has not been confirmed. Its EPSS score was 1.3% on 2026-09-25, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2026-90770?

CVE-2026-90770 has a CVSS v3 base score of 8.8 (HIGH severity).

Is CVE-2026-90770 affecting your environment?

Use isMalicious to check if any of your IPs or domains are associated with this vulnerability's IOCs.

Check an IP Search CVEs SIEM & TIP integrations

No credit card required · 500 free checks/month · Free API key

Other 2026 vulnerabilities worth triaging

Ranked by exploit probability (EPSS).

Back to CVE Database