CVE-2026-58393
An attacker can exploit multiple vulnerabilities in OPNsense to execute arbitrary code with administrative privileges, bypass security measures, conduct a Cross-Site Scripting attack, manipulate files, disclose information, and perform a Denial of Service attack.
CSIRTS triage
- What
- An attacker can exploit multiple vulnerabilities in OPNsense to execute arbitrary code with administrative privileges.
- Who is affected
- Deployments of OPNsense are affected.
- Urgency
- Remediation is urgent due to the high severity and potential for arbitrary code execution.
- Action
- Apply the latest patches provided by OPNsense.
AI-assisted analysis generated from the source advisory — verify against the original.
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Advisory coverage (1)
- high[NEW] [high] OPNsense: Multiple vulnerabilitiescert-bund · 2026-07-02
External references
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[](https://www.csirts.com/cve/CVE-2026-58393)