CVE-2026-111224Netgate pfSense CE through 2.9.0 OS Command Injection via openvpn.connect_async.sh
Updated under an hour ago ()
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It affects Netgate pfSense CE. Add what you run to find out whether that includes you.
EPSS puts the chance of exploitation in the next 30 days at 5.37%, higher than 93% of scored CVEs.
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pfSense CE through 2.9.0 contains an OS command injection vulnerability in the OpenVPN openvpn.connect_async.sh script that allows authenticated VPN users to execute commands as root via crafted usernames. Attackers authenticated through RADIUS or LDAP can use usernames containing single quotes and shell metacharacters to break out of the eval'd pfctl anchor name on connect or disconnect.
- CVSS
- 7.5 HIGH (v3.1, CNA)CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
- Weakness (CWE)
- CWE-78
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- 5.37% (percentile 93)
- Assigned by
- VulnCheck
- NVD analysis
- Awaiting Analysis
- Record last updated
- Oct 16, 2026
- First seen by InfoSec Signals
- Oct 15, 2026
Affected products
Netgate pfSense CE netgate:pfsense_ce (from the name) | through 2.9.0 | CNA record |
References
- https://github.com/abraxas/pfsense-ovpn-connect-evalexploit, technical-description
- https://abraxaslabs.tech/research/pfsense-ce-leftoverstechnical-description
- https://github.com/pfsense/pfsense/blob/9363ac5b8651a1c7a333180425ce7719070f95f9/src/usr/local/sbin/openvpn.connect_async.sh#L83-L114technical-description
- https://www.vulncheck.com/advisories/netgate-pfsense-ce-through-2.9.0-os-command-injection-via-openvpn-connect-async-shthird-party-advisory
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.