CVE-2026-0257
High7.8CISA KEV — exploited in the wildAuthentication bypass vulnerabilities in the GlobalProtect portal and gateway of Palo Alto Networks PAN-OS® software allows the attacker to bypass security restrictions and establish an unauthorized VPN connection. Panorama and Cloud NGFW are not impacted by these issues.
- CVSS
- 7.8v4.0
- EPSS (exploit probability)
- 96.9%100th pct
- CISA KEV
- Listed
EPSS trendFIRST daily scores, last 90 days
Daily values
| Score date | EPSS | Percentile |
|---|---|---|
| 2026-10-20 | 96.9% | 99.9% |
| 2026-10-19 | 96.9% | 99.9% |
| 2026-10-18 | 96.9% | 99.9% |
| 2026-10-16 | 96.9% | 99.9% |
| 2026-10-15 | 96.9% | 99.9% |
| 2026-10-14 | 96.9% | 99.9% |
| 2026-10-13 | 96.9% | 99.9% |
| 2026-10-12 | 96.9% | 99.9% |
| 2026-10-11 | 96.9% | 99.9% |
| 2026-10-10 | 96.9% | 99.9% |
| 2026-10-09 | 96.9% | 99.9% |
| 2026-10-08 | 96.9% | 99.9% |
| 2026-10-07 | 96.9% | 99.9% |
| 2026-10-06 | 96.9% | 99.9% |
| 2026-10-05 | 96.4% | 99.9% |
| 2026-10-04 | 96.4% | 99.9% |
| 2026-10-03 | 96.4% | 99.9% |
| 2026-10-02 | 96.4% | 99.9% |
| 2026-10-01 | 96.4% | 99.9% |
| 2026-09-30 | 96.4% | 99.9% |
| 2026-09-29 | 96.4% | 99.9% |
| 2026-09-27 | 96.4% | 99.9% |
| 2026-09-26 | 96.4% | 99.9% |
| 2026-09-25 | 96.4% | 99.9% |
| 2026-09-24 | 96.9% | 99.9% |
| 2026-09-23 | 95.2% | 99.9% |
| 2026-09-22 | 95.2% | 99.9% |
| 2026-09-21 | 95.2% | 99.9% |
| 2026-09-20 | 95.2% | 99.9% |
| 2026-09-19 | 95.2% | 99.9% |
| 2026-09-18 | 95.2% | 99.9% |
CISA KEV entrycatalogue 2026.10.20
- Date added
- 2026-05-29
- Federal due date
- 2026-06-01
- Known ransomware use
- Known
Required action
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Verbatim from the CISA KEV catalogue (CISA KEV, fetched 2026-10-21 06:34 UTC). The due date applies to US federal agencies under BOD 22-01.
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:H/SI:H/SA:N/E:A/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:N/R:A/V:D/RE:M/U:Red
Affected products
- paloaltonetworks pan-os
- paloaltonetworks prisma access
- siemens ruggedcom ape1808 firmware
- siemens ruggedcom ape1808