CVE-2026-113779 pfSense-pkg-RESTAPI - Privilege Escalation

pfSense-pkg-RESTAPI < 2.9.0 contains a privilege escalation caused by improper access control on the settings sync endpoint, letting authenticated users with sync permission elevate to full administrator, exploit requires authenticated sync permission.

CVSS base score 8.8 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Required
View the NVD record ↗

Details

Type
Privilege Escalation
Impact
Privilege Escalation
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Published
21 October 2026
Updated
22 October 2026
Weakness
CWE-502

Vendor fix

Upgrade to version 2.9.0 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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