Detecting CVE-2026-0265 at Scale: PAN-OS CAS Authentication Bypass
bishopfox.com | vulnerability | High | CVE-2026-0265 | #authentication-bypass | #jwt | #palo-alto-networks | #detection-tool | #pan-os | #cve-2026-0265
Summary
Bishop Fox publishes a detector for CVE-2026-0265, a pre-auth JWT signature bypass in PAN-OS and Panorama reachable when CAS is attached to an auth profile; one anonymous request yields a verdict.
- CVE
- CVE-2026-0265
- CVSS
- 7.2
- Published
- Collected
--- id: 3817 title: "Detecting CVE-2026-0265 at Scale: PAN-OS CAS Authentication Bypass" cve: CVE-2026-0265 cvss: 7.2 severity: high source_domain: bishopfox.com source_url: "https://bishopfox.com/blog/detecting-cve-2026-0265-at-scale-pan-os-cas-authentication-bypass" published_at: "2026-05-22 00:00" tags: ["authentication-bypass", "jwt", "palo-alto-networks", "detection-tool", "pan-os", "cve-2026-0265"] phying_url: "https://phying.com/item/3817" lang: en --- # Detecting CVE-2026-0265 at Scale: PAN-OS CAS Authentication Bypass ## Summary Bishop Fox publishes a detector for CVE-2026-0265, a pre-auth JWT signature bypass in PAN-OS and Panorama reachable when CAS is attached to an auth profile; one anonymous request yields a verdict. ## Intelligence Metadata - **Sources:** bishopfox.com - **CVE:** CVE-2026-0265 - **CVSS:** 7.2 - **Published:** 2026-05-22 00:00 - **Original:** https://bishopfox.com/blog/detecting-cve-2026-0265-at-scale-pan-os-cas-authentication-bypass - **Phying News:** https://phying.com/item/3817