CVE-2026-0262 PAN-OS: Denial of Service Vulnerabilities in Network Traffic Parsing
Unauthenticated attackers can cause denial of service in PAN-OS by sending specially crafted network traffic, requiring patches for affected firewalls.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-0262?
CVE-2026-0262 is a medium-severity denial of service vulnerability in Paloaltonetworks Pan-Os, published on 13 May 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Multiple denial of service vulnerabilities in Palo Alto Networks PAN-OS® software allow an unauthenticated attacker with network access to cause a denial of service (DoS) condition by sending specially crafted network traffic.
Panorama and Cloud NGFW are not impacted by these vulnerabilities.
Weakness: CWE-754
Which versions are affected by CVE-2026-0262?
It affects 2 products.
Products include Paloaltonetworks Pan-Os, Siemens Ruggedcom Ape1808 Firmware.
How do I fix CVE-2026-0262?
No fix has been published for CVE-2026-0262 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2026-0262 being exploited?
There is no known exploitation of CVE-2026-0262 in the wild and no public exploit code.
Other vulnerabilities in Paloaltonetworks Pan-Os
- CVE-2024-3400 Palo Alto Networks PAN-OS Command Injection
- CVE-2020-2021 Palo Alto Networks PAN-OS Authentication Bypass
- CVE-2017-15944 Palo Alto Networks PAN-OS Remote Code Execution
- CVE-2026-0300 Palo Alto Networks PAN-OS Out-of-bounds Write
- CVE-2024-0012 Palo Alto Networks PAN-OS Management Interface Authentication Bypass
Sources
Also known as GHSA-3mc4-hxgv-pc7g.