{"id":"CVE-2026-119424","title":"OPNsense before 26.7.8 Wireless WPA Configuration Line Injection via Identity","summary":"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…","severity":"medium","cvss":6.8,"cvssVector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:H","cvssSource":"cna","cwe":["CWE-93"],"vendor":"opnsense","product":"core","affected":["core < 26.7.8"],"published":"2026-10-30","updated":"2026-10-30","sourceUpdated":"2026-10-30T11:30:54.395Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-119424","references":[{"url":"https://github.com/opnsense/core/commit/9f1eac0f9bdf705766ab61f9d62b9d55757fd0da"},{"url":"https://github.com/opnsense/core/commit/3bbd714b4c4b60f164e2e908501f208d3eadf645"},{"url":"https://github.com/opnsense/core/blob/26.7.7/src/opnsense/mvc/app/models/OPNsense/Interfaces/Wlan.xml#L185"},{"url":"https://github.com/opnsense/core/blob/26.7.7/src/etc/inc/interfaces.inc#L1901"},{"url":"https://abraxaslabs.tech/research/opnsense-wlan-wpa-line"},{"url":"https://github.com/opnsense/core"},{"url":"https://www.vulncheck.com/advisories/opnsense-before-26.7.8-wireless-wpa-configuration-line-injection-via-identity","label":"VulnCheck Advisory: OPNsense before 26.7.8 Wireless WPA Configuration Line Injection via Identity"}],"tags":["cve.org"],"epss":0.00424,"epssPercentile":0.36841,"ingestedAt":"2026-11-03T10:42:03.641Z","slug":"CVE-2026-119424","body":"## Overview\n\nOPNsense 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 to append arbitrary wpa_supplicant or hostapd directives loaded by root-run daemons.\n\n## Affected\n\n- `core < 26.7.8`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":37,"depthScoreParts":{"impact":37.4,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}