Opnsense
42 CVEs tracked. None of them is in CISA KEV.
This hub aggregates every CVE we track for Opnsense, a product in the operating systems space. Use it to gauge the current risk picture and drill into individual advisories.
Opnsense CVEs per month
| Month | CVEs |
|---|---|
| 2024-10 | 0 |
| 2024-11 | 0 |
| 2024-12 | 0 |
| 2025-01 | 0 |
| 2025-02 | 0 |
| 2025-03 | 0 |
| 2025-04 | 0 |
| 2025-05 | 0 |
| 2025-06 | 0 |
| 2025-07 | 0 |
| 2025-08 | 1 |
| 2025-09 | 0 |
| 2025-10 | 1 |
| 2025-11 | 0 |
| 2025-12 | 1 |
| 2026-01 | 0 |
| 2026-02 | 11 |
| 2026-03 | 1 |
| 2026-04 | 1 |
| 2026-05 | 4 |
| 2026-06 | 0 |
| 2026-07 | 0 |
| 2026-08 | 2 |
| 2026-09 | 0 |
Severity
How the 42 CVEs score on CVSS. Severity is not exploitation: KEV is counted above.
- Critical9
- High6
- Medium26
Latest CVEs
The 15 most recently published vulnerabilities affecting Opnsense.
- CVE-2026-49132OPNsense < 26.1.9 Stored XSS via Certificate Description Field5.4
- CVE-2026-49131OPNsense < 26.1.9 Stored XSS via Firewall Rule Description Field5.4
- CVE-2026-45158OPNsense: Command Injection via Attacker-Controlled DHCP Config9.1
- CVE-2026-44194OPNsense: RCE on user managment9.1
- CVE-2026-44195OPNsense: Authentication lockout bypass5.3
- CVE-2026-44193OPNsense: RCE via XMLRPC endpoint using `opnsense.restore_config_section` method9.1
- CVE-2026-34578OPNsense has an LDAP Injection via Unsanitized Username in Authentication8.2
- CVE-2026-30868Cross-Site Request Forgery (CSRF) in opnsense/core6.3
- CVE-2026-2035Deciso OPNsense diag_backup.php filename Command Injection Remote Code Execution Vulnerability6.8
- CVE-2019-25377OPNsense 19.1 Reflected XSS via system_advanced_sysctl.php5.4
- CVE-2019-25376OPNsense 19.1 Reflected XSS via proxy endpoint6.1
- CVE-2019-25375OPNsense 19.1 Reflected XSS via monit interface6.1
- CVE-2019-25373OPNsense 19.1 Stored XSS via firewall_rules_edit.php6.4
- CVE-2019-25374OPNsense 19.1 Reflected XSS via vpn_ipsec_settings.php6.1
- CVE-2019-25372OPNsense 19.1 Reflected XSS via diag_traceroute.php6.1
Product grouping is registry-driven, with AI assist and human review. How it works