Path traversal in pfSense CE and pfSense Plus
Priority MEDIUM 45CWE-22Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA.
Summary
Improper access control vulnerability in pfSense CE and pfSense Plus (pfSense CE software versions prior to 2.6.0 and pfSense Plus software versions prior to 22.01) allows a remote attacker with the privilege to change NTP GPS settings to rewrite existing files on the file system, which may result in arbitrary command execution.
Why it matters now
EPSS 0.04497 91st percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| pfSense | pfSense CE and pfSense Plus | pfSense CE software versions prior to 2.6.0 and pfSense Plus software versions prior to 22.01 | — | No fix listed | CNA |
- pfSense CE and pfSense Plus VendorpfSense Affected pfSense CE software versions prior to 2.6.0 and pfSense Plus software versions prior to 22.01 Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2022-26019
- 2026-10-03 Alias added: GHSA-q5q3-h939-p643
References
More pfSense vulnerabilities
- TI-2023-11923 Improper restriction of excessive authentication attempts in the SSHGuard component of… CVSS 3.1CRITICAL 9.8
- TI-2022-19269 pfSense pfBlockerNG through 2.1.4_27 allows remote attackers to execute arbitrary OS… CVSS 3.1CRITICAL 9.8
- TI-2021-18114 diag_routes.php in pfSense 2.5.2 allows sed data injection. CVSS 3.1HIGH 8.8
- TI-2025-42916 Netgate pfSense CE 2.8.0 allows code execution in the XMLRPC API via pfsense.exec_php. CVSS 3.1CRITICAL 9.9
- TI-2025-42915 Netgate pfSense CE 2.7.2 allows code execution by using the module installer with a… CVSS 3.1CRITICAL 9.1
- TI-2026-74961 OS command injection in Netgate pfSense CE traffic shaper limiters CVSS 4.0HIGH 8.6
Sources
- CVE-2022-26019 · CVE Program
- CVE-2022-26019 · NVD
- FIRST EPSS
- GHSA-q5q3-h939-p643 · GitHub Advisory Database · CC BY 4.0
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