Vulnerability in Palo Alto Networks Cloud Ngfw
CVE-2026-0265
An authentication bypass vulnerability in Palo Alto Networks PAN-OS® software enables an unauthenticated attacker with network access to bypass authentication controls when Cloud Authentication Service (CAS) is enabled. The risk is high…
EPSS: 0.004 (30.2th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Palo Alto Networks Cloud Ngfw — versions All
- Palo Alto Networks Pan-os — versions 12.1.0, 11.2.0, 11.1.0
- Palo Alto Networks Prisma Access — versions All
- Paloaltonetworks Pan-os — versions 10.2.7, 10.2.10, 10.2.13
- Siemens Ruggedcom_ape1808
- Siemens Ruggedcom_ape1808_firmware
Weakness classification (CWE)
Public proof-of-concept exploits
References
- psirt@paloaltonetworks.com (vendor-advisory, Vendor Advisory)
- 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e (Third Party Advisory)
Frequently asked questions
- What is CVE-2026-0265?
- CVE-2026-0265 is a high-severity vulnerability in Palo Alto Networks Cloud Ngfw, classified under Improper Verification of Cryptographic Signature. CVSS score: 8.1/10. Published 2026-05-13.
- How severe is CVE-2026-0265?
- High severity. CVSS v3 base score is 8.1 out of 10.
- Is CVE-2026-0265 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.