[NEW] [medium] OPNsense: Multiple vulnerabilities
An attacker can exploit multiple vulnerabilities in OPNsense to bypass security measures, disclose information, conduct a cross-site scripting attack, and perform a denial-of-service attack.
CSIRTS triage
- What
- Multiple vulnerabilities can be exploited to bypass security measures, disclose information, conduct cross-site scripting attacks, and perform denial-of-service attacks.
- Who is affected
- Users of OPNsense.
- Urgency
- Remediation is medium urgency due to the potential for various impacts.
- Action
- Update to the latest version of OPNsense.
AI-assisted analysis generated from the source advisory — verify against the original.
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Details
Original advisory: https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-2426
Recent advisories for OPNsense
A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.
- high[NEW] [high] OPNsense: Multiple vulnerabilitiescert-bund · 2026-07-02
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