PALO ALTO Security Advisory
Published Date: Not specified
CVE: CVE-2026-0301
Advisory Summary
📅 Published: August 12, 2026
🔎 🛡️ TITLE: CVE-2026-0301 — PAN-OS URL Filtering Information Disclosure (Severity: LOW)
- CVE-2026-0301 describes an information disclosure condition tied to URL filtering in PAN-OS.
- In certain circumstances, this may allow exposure of information that should not be disclosed to unauthorized parties.
- URL filtering components are commonly exposed indirectly via policy enforcement paths; even “low” severity issues can become operationally significant when combined with other findings (misconfigurations, session handling quirks, or chained vulnerabilities).
- Disclosed data can aid threat actors with reconnaissance and environment fingerprinting.
- Impact is associated with the URL filtering workflow inside PAN-OS, so environments with heavy reliance on URL filtering (and frequent policy interactions) should treat this as a targeted hygiene patch.
- Validate affected versions using the vendor advisory linked below and confirm exposure in your installed base.
- Prioritize patching during your next maintenance window, with accelerated scheduling where URL filtering is actively used and internet-facing.
- Review compensating controls:
- Ensure management and security services are not unnecessarily reachable from untrusted networks.
- Confirm logging/monitoring around URL filtering behavior is enabled to detect anomalous request patterns.
- Operational readiness: plan configuration verification post-upgrade (URL filtering profiles/policies) to avoid service regressions.
- Even “LOW” CVEs in infrastructure security platforms should be handled systematically: confirm applicability, patch promptly, and monitor for abnormal behavior—especially across large deployments.
-2026-0301
Reference: Vendor Advisory