CVE-2026-49132

OPNsense before 26.1.9 is affected by a stored XSS in the trust certificate API: when an attacker consolidates payloads into a certificate description, the unsanitized value is persisted and later rendered in the Dashboard Certificates widget (Certificates.js) via HTML attribute/text sinks, allow...

EUVD-2026-52433

OPNsense before 26.1.9 contains a stored cross-site scripting vulnerability that allows authenticated attackers to inject arbitrary HTML or JavaScript by embedding payloads in the certificate description field via the trust certificate API. The unsanitized description value is persisted and later...

CVE-2026-49131

OPNsense prior to 26.1.9 is affected by a stored XSS in the firewall rule description field (via the filter API). Unsanitized descriptions are persisted and later rendered by opnsense_bootgrid.js using innerHTML, allowing an authenticated attacker with firewall rule management privileges to execu...

EUVD-2026-52430

OPNsense before 26.1.9 contains a stored cross-site scripting vulnerability that allows authenticated attackers with firewall rule management privileges to inject arbitrary HTML or JavaScript by embedding payloads in the firewall rule description field via the filter API endpoint. The unsanitized...

OPNsense - Cross-Site Scripting to RCE

There is a XSS in /ui/cron/item/open in the Cron component of OPNsense Community Edition before 23.7 and Business Edition before 23.4.2 via openAction in app/controllers/OPNsense/Cron/ItemController.php. id: CVE-2023-39007 info: name: OPNsense - Cross-Site Scripting to RCE author: ritikchaddha...

OPNsense - Cross-Site Scripting

A cross-site scripting XSS vulnerability in the act parameter of systemcertmanager.php in OPNsense before 23.7 allows attackers to execute arbitrary web scripts or HTML via a crafted payload. id: CVE-2023-39002 info: name: OPNsense - Cross-Site Scripting author: Herry severity: medium description...

OPNsense <=20.1.5 - Open Redirect

OPNsense through 20.1.5 contains an open redirect vulnerability via the url redirect parameter in the login page, which is not filtered. An attacker can redirect a user to a malicious site and possibly obtain sensitive information, modify data, and/or execute unauthorized operations. id:...

nmap-enumeration-lab

Network Scanning & Host Enumeration with Nmap Host discovery,...

PT-2026-56190

A stored XPATH injection vulnerability exists in opnsense's trust module. Any user if given just System: CA Manager permissions can use a bool side channel/oracle to slowly leak any secret in config.xml character by character. the injection point is in the refid field of a ca object. Write-up for...

PT-2026-54868

Name of the Vulnerable Software and Affected Versions OPNsense versions prior to 26.1.11 OPNsense versions prior to 26.4.1p1 Description An arbitrary file write flaw allows for remote code execution with root privileges. Recommendations Update to version 26.1.11. Update to version 26.4.1p1...

CVE-2026-44195

OPNsense is a FreeBSD based firewall and routing platform. Prior to 26.1.7, a logic flaw in the OPNsense lockouthandler allows an unauthenticated attacker to continuously reset the authentication failure counter for their IP address. By interjecting a crafted username containing a success keyword...

CVE-2026-34578

OPNsense is a FreeBSD based firewall and routing platform. Prior to 26.1.6, OPNsense's LDAP authentication connector passes the login username directly into an LDAP search filter without calling ldapescape. An unauthenticated attacker can inject LDAP filter metacharacters into the username field ...

CVE-2026-45158

OPNsense is a FreeBSD based firewall and routing platform. Prior to 26.1.8, unsanitized user input is passed to the DHCP configuration of the configured interface, which is processed by a shell script, allowing remote code execution as root on the underlying operating system. This vulnerability i...

CVE-2026-44194

OPNsense is a FreeBSD based firewall and routing platform. Prior to 26.1.8, an authenticated Remote Code Execution RCE vulnerability in the OPNsense core allows a user with user-management privileges to execute arbitrary system commands as root. An attacker can bypass input validation by formatti...

CVE-2026-44193

OPNsense is a FreeBSD based firewall and routing platform. Prior to 26.1.7, the XMLRPC method opnsense.restoreconfigsection fails to sanitize user supplied input leading to Remote Code Execution. This vulnerability is fixed in 26.1.7...

CVE-2026-45158

OPNsense is a FreeBSD based firewall and routing platform. Prior to 26.1.8, unsanitized user input is passed to the DHCP configuration of the configured interface, which is processed by a shell script, allowing remote code execution as root on the underlying operating system. This vulnerability i...

CVE-2026-44193

OPNsense is a FreeBSD based firewall and routing platform. Prior to 26.1.7, the XMLRPC method opnsense.restoreconfigsection fails to sanitize user supplied input leading to Remote Code Execution. This vulnerability is fixed in 26.1.7...

CVE-2026-44195

OPNsense is a FreeBSD based firewall and routing platform. Prior to 26.1.7, a logic flaw in the OPNsense lockouthandler allows an unauthenticated attacker to continuously reset the authentication failure counter for their IP address. By interjecting a crafted username containing a success keyword...

CVE-2026-44194

OPNsense is a FreeBSD based firewall and routing platform. Prior to 26.1.8, an authenticated Remote Code Execution RCE vulnerability in the OPNsense core allows a user with user-management privileges to execute arbitrary system commands as root. An attacker can bypass input validation by formatti...

EUVD-2026-30202

OPNsense is a FreeBSD based firewall and routing platform. Prior to 26.1.8, unsanitized user input is passed to the DHCP configuration of the configured interface, which is processed by a shell script, allowing remote code execution as root on the underlying operating system. This vulnerability i...