Quick answers
- Is CVE-2026-111226 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-111226 being exploited in the wild.
- How severe is CVE-2026-111226?
- High severity, with a CVSS score of 7.2, published 15 October 2026.
- Which products and versions are affected?
- Netgate Pfsense Ce 2.4.5 through 2.9.0.
- Is there a fix for CVE-2026-111226?
- No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
- How is CVE-2026-111226 attacked?
- It is attacked over the network, in an operating system.
- Am I affected by CVE-2026-111226?
- Check whether you run Netgate Pfsense Ce at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.
Technical details
An OS command injection vulnerability exists in the Login Protection settings of pfSense CE, where user-supplied input for sshguard thresholds, block times, and detection times are not validated before being written to sshguard.conf and sourced as root. An attacker can inject newlines or command substitution syntax ($(...)) to execute arbitrary commands with root privileges when the system restarts or the settings are applied.
Affected products
- Netgate pfSense CE 2.4.5 through 2.9.0
Timeline
- 2026-10-15: disclosed