CVE-2026-119424
OPNsense before 26.7.8 Wireless WPA Configuration Line Injection via Identity
CVSS Score
6.8
EPSS Score
0.0%
EPSS Percentile
0th
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 to append arbitrary wpa_supplicant or hostapd directives loaded by root-run daemons.
| CWE | CWE-93 |
| Vendor | opnsense |
| Product | core |
| Published | Oct 30, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:H Attack Vector
Network
Attack Complexity
High
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
High
Availability
High
Affected Versions
opnsense / core
0 < 26.7.8
References
github.com: https://github.com/opnsense/core/commit/9f1eac0f9bdf705766ab61f9d62b9d55757fd0da github.com: https://github.com/opnsense/core/commit/3bbd714b4c4b60f164e2e908501f208d3eadf645 github.com: https://github.com/opnsense/core/blob/26.7.7/src/opnsense/mvc/app/models/OPNsense/Interfaces/Wlan.xml#L185 github.com: https://github.com/opnsense/core/blob/26.7.7/src/etc/inc/interfaces.inc#L1901 abraxaslabs.tech: https://abraxaslabs.tech/research/opnsense-wlan-wpa-line github.com: https://github.com/opnsense/core vulncheck.com: https://www.vulncheck.com/advisories/opnsense-before-26.7.8-wireless-wpa-configuration-line-injection-via-identity
Credits
Abraxas Labs Ad Schellevis