CVE-2026-57155

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

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 - 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:...

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...

CVE-2026-53582

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

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-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...

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-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-2026-57154

OPNsense is a FreeBSD based firewall and routing platform. Prior to 26.1.11 and 26.4.1p1, authenticated Web UI or API users with delegated access to affected settings can submit CR or LF characters in fields expected to contain one line, causing generated privileged service configuration files to...

CVE-2026-57154

The OPNsense firewall and routing platform is vulnerable to a configuration line injection vulnerability in versions prior to 26.1.11 and 26.4.1p1 . Authenticated users with delegated access can submit CR or LF characters in specific GUI text fields, such as those for OpenVPN, DHCPv6, Unbound, IP...

CVE-2026-57154 OPNsense: Configuration line injection via multiple GUI text fields

OPNsense is a FreeBSD based firewall and routing platform. Prior to 26.1.11 and 26.4.1p1, authenticated Web UI or API users with delegated access to affected settings can submit CR or LF characters in fields expected to contain one line, causing generated privileged service configuration files to...

CVE-2026-57154 OPNsense: Configuration line injection via multiple GUI text fields

OPNsense is a FreeBSD based firewall and routing platform. Prior to 26.1.11 and 26.4.1p1, authenticated Web UI or API users with delegated access to affected settings can submit CR or LF characters in fields expected to contain one line, causing generated privileged service configuration files to...

CVE-2026-57154: opnsense core: OPNsense is a FreeBSD based firewall and routing platform

OPNsense is a FreeBSD based firewall and routing platform. Prior to 26.1.11 and 26.4.1p1, authenticated Web UI or API users with delegated access to affected settings can submit CR or LF characters in fields expected to contain one line, causing generated privileged service configuration files to...

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-2026-119425

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...