PatchTheCVEopnsense firewall vulnerabilities and fixes
Recent CVEs affecting opnsense firewall, with upgrade or downgrade steps. 1 tracked.
Also searched as: opnsensefirewall.
opnsense firewall has 1 tracked vulnerability, 0 critical. A fixed release or vendor patch exists for 1. Most recent: 2026-10-26. Highest priority: CVE-2026-115425 (score 20/100).
- CVE-2026-115425 MEDIUM 5.6 UPGRADE Multiple cross site scripting (XSS) vulnerabilities affect OPNsense firewall vesrion 26.7.1_1 and earlier allo
FAQ
How do I fix opnsense firewall vulnerabilities?
Open the CVE for your version, check the affected range, then follow the listed action: upgrade to the fixed release, or downgrade or mitigate if no fix exists yet. Commands for each OS are shown on every CVE page.
Is opnsense firewall being exploited right now?
None of the tracked opnsense firewall CVEs are on the CISA Known Exploited Vulnerabilities list at the moment. This is checked every 20 minutes.
Which opnsense firewall CVE should I patch first?
CVE-2026-115425 currently ranks highest (20/100): Multiple cross site scripting (XSS) vulnerabilities affect OPNsense firewall vesrion 26.7.1_1 and earlier allo.