CVEvulnerability

CVE-2026-111227

5.1 MEDIUM Published 2026-10-15 Modified 2026-10-21 Official page ↗
Status
Analyzed
Published
2026-10-15
Last modified
2026-10-21
Assigner
[email protected]
CVSS 4.0 ([email protected])
5.1 MEDIUM — CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:L/VA:L/SC:N/SI:L/SA:L/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CVSS 3.1 ([email protected])
5.5 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:N/I:L/A:L
Weaknesses
CWE-93

Description

Netgate pfSense CE through 2.9.0 contains a CRLF injection vulnerability in services_unbound_acls.php that allows authenticated users with the DNS Resolver: Access Lists privilege to inject Unbound configuration directives. Attackers can embed CR/LF characters in the aclname or aclaction fields written to access_lists.conf to add local-data, local-zone, or forward-zone directives and control DNS answers served to LAN clients.

Affected configurations

• pfsense pfsense (<= 2.9.0)

Related

Weakness · CWE (1)

  • CWE-93 Improper Neutralization of CRLF Sequences weakness

References