Vulnerability details
CVE-2026-0257
Actively exploited
Palo Alto Networks PAN-OSPalo Alto Networks Prisma AccessSiemens RUGGEDCOM APE1808
PAN-OS: GlobalProtect Authentication Bypass Vulnerabilities
CVSS 4.0
7.8High
Official description
Authentication 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 scores
| Score | Version | Source | Vector |
|---|---|---|---|
| 7.8High | 4.0 | CVEProject cvelistV5 (CNA) (palo_alto) | 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/AU:N/R:A/V:D/RE:M/U:Red |
Affected products
| Vendor | Product | Versions | Source |
|---|---|---|---|
| Palo Alto Networks | PAN-OS | 10.2.0 ≤ v < 10.2.18-h6, 10.2.16-h7, 10.2.13-h21, 10.2.10-h36, 10.2.7-h34 | CVEProject cvelistV5 (CNA) |
| Palo Alto Networks | PAN-OS | 11.1.0 ≤ v < 11.1.15, 11.1.13-h5, 11.1.10-h25, 11.1.7-h6, 11.1.6-h32, 11.1.4-h33 | CVEProject cvelistV5 (CNA) |
| Palo Alto Networks | PAN-OS | 11.2.0 ≤ v < 11.2.12, 11.2.10-h7, 11.2.7-h14, 11.2.4-h17 | CVEProject cvelistV5 (CNA) |
| Palo Alto Networks | PAN-OS | 12.1.0 ≤ v < 12.1.7, 12.1.4-h6 | CVEProject cvelistV5 (CNA) |
| Palo Alto Networks | Prisma Access | 10.2.0 ≤ v < 10.2.10-h36 | CVEProject cvelistV5 (CNA) |
| Palo Alto Networks | Prisma Access | 11.2.0 ≤ v < 11.2.7-h13 | CVEProject cvelistV5 (CNA) |
| Siemens | RUGGEDCOM APE1808 | All | CVEProject cvelistV5 (CNA) |
References and advisories
3
Kolun on Telegram @kolunsec
Exploited CVEs, key news and a daily digest
Alerts for this product's next CVEsFollow the product to get new vulnerabilities on Telegram.
Details
- Published
- 2026-05-13
- Last updated
- 2026-10-15
- State
- Published
- Assigner (CNA)
- palo_alto
- Kolun priority
- 87 · Critical
CISA KEV catalog
- Date added
- 2026-05-29
- Due date
- 2026-06-01
- Used in ransomware
- Yes
Exploit prediction (EPSS)
95.64%
Probability of exploitation in 30 days
99.8%
Percentile (among all CVEs)
SSVC assessment (CISA)
- Automatable
- No
- Exploitation
- Active
- Technical impact
- Total
Weaknesses (CWE)
- CWE-565Reliance on Cookies without Validation and Integrity Checking