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 <=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:...

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...

core

OPNsense GUI and system management The OPNsense project invites developers to start contributing to the code base. For your own purposes or – even better – to join us in creating the best open source firewall available. The build process has been designed to make it easy for anyone to build and...

opnsense-ntp-gps-fudge

abraxaslabs.tech · github.com/abraxas · @abraxasnull · [email protected] · opnsense-ntp-gps-fudge Write-up: https://abraxaslabs.tech/research/opnsense-ntp-gps-fudge opnsense-ntp-gps-fudge Class: Config line injection Reach: Remote OPNsense core 26.7.6 a842fe48 - opnsense.org Leftover of...

opnsense-firmware-mirror-sed

abraxaslabs.tech · github.com/abraxas · @abraxasnull · [email protected] · opnsense-firmware-mirror-sed Write-up: https://abraxaslabs.tech/research/opnsense-firmware-mirror-sed opnsense-firmware-mirror-sed Class: Signature skip Reach: Remote OPNsense core 26.7.6 a842fe48 - opnsense.org Syste...

opnsense-lockout-factory-ip

abraxaslabs.tech · github.com/abraxas · @abraxasnull · [email protected] · opnsense-lockout-factory-ip Write-up: https://abraxaslabs.tech/research/opnsense-lockout-factory-ip opnsense-lockout-factory-ip Class: Privilege leftover Reach: Remote OPNsense core 26.7.6 a842fe48 - opnsense.org Unau...

opnsense-captive-lastseen-roam

abraxaslabs.tech · github.com/abraxas · @abraxasnull · [email protected] · opnsense-captive-lastseen-roam Write-up: https://abraxaslabs.tech/research/opnsense-captive-lastseen-roam opnsense-captive-lastseen-roam Class: Network-access bypass Reach: Remote OPNsense core 26.7.6 a842fe48 -...

opnsense-uidfield-system-uid0

abraxaslabs.tech · github.com/abraxas · @abraxasnull · [email protected] · opnsense-uidfield-system-uid0 Write-up: https://abraxaslabs.tech/research/opnsense-uidfield-system-uid0 opnsense-uidfield-system-uid0 Class: Privilege leftover Reach: Remote OPNsense core 26.7.6 a842fe48 - opnsense.or...

CVE-2026-53582

https://blog.evan.lat/posts/opnsense/ https://git.evan.lat/e/CVE-2026-53582...

opnsense-tunables-loader

abraxaslabs.tech · github.com/abraxas · @abraxasnull · [email protected] · opnsense-tunables-loader Write-up: https://abraxaslabs.tech/research/opnsense-tunables-loader opnsense-tunables-loader Class: Config line injection Reach: Remote OPNsense core 26.7.6 a842fe48 - opnsense.org System:...

opnsense-wlan-wpa-line

abraxaslabs.tech · github.com/abraxas · @abraxasnull · [email protected] · opnsense-wlan-wpa-line Write-up: https://abraxaslabs.tech/research/opnsense-wlan-wpa-line opnsense-wlan-wpa-line Class: Config line injection Reach: Remote OPNsense core 26.7.6 a842fe48 - opnsense.org Leftover of...

CVE-2026-57155

https://github.com/opnsense/core/security/advisories/GHSA-wjqq-rfmm-v5h3...

CVE-2026-119560

OPNsense core through 26.7.8 contains a configuration injection vulnerability that allows authenticated users to append ntpd.conf directives by embedding newlines in the fudge and refid fields. Attackers holding the page-services-ntp-gps or PPS privilege can submit CR/LF characters via...

CVE-2026-119423

OPNsense core before 26.7.8 contains a log injection vulnerability that allows unauthenticated attackers to plant victim IP addresses in the lockouthandler by submitting crafted WebGUI login usernames. Attackers can submit usernames like 'Invalid user ' repeatedly to add the victim to the...

CVE-2026-119424

OPNsense core before 26.7.8 contains a configuration line injection vulnerability that allows authenticated users with wireless-edit privilege to inject directives by embedding CR/LF characters in WPA fields. Attackers can place newlines in wpa.identity, wpa.passphrase, or RADIUS shared secrets t...

CVE-2026-119425

OPNsense core 26.1.6 through 26.7.7 contains an authentication bypass vulnerability in the captive portal roaming feature that lets unauthenticated attackers hijack authorized client sessions by spoofing unauthenticated MAC-to-IP observations. Attackers on the same Layer-2 segment can send forged...

CVE-2026-119409

OPNsense before 26.7.8 contains a command injection vulnerability that allows authenticated users with the System: Firmware privilege to execute commands as root by storing a malicious firmware mirror URL. Attackers can submit shell metacharacters through POST /api/core/firmware/set that...

CVE-2026-119560 OPNsense core through 26.7.8 NTP Configuration Injection via GPS and PPS Fudge Fields

OPNsense core through 26.7.8 contains a configuration injection vulnerability that allows authenticated users to append ntpd.conf directives by embedding newlines in the fudge and refid fields. Attackers holding the page-services-ntp-gps or PPS privilege can submit CR/LF characters via...

EUVD-2026-113825

OPNsense core through 26.7.8 contains a configuration injection vulnerability that allows authenticated users to append ntpd.conf directives by embedding newlines in the fudge and refid fields. Attackers holding the page-services-ntp-gps or PPS privilege can submit CR/LF characters via...