Answer in brief
CVE-2026-0244 records a High severity (CVSS 8.1) vulnerability in Prisma SD-WAN: Improper Certificate Validation Vulnerability. The current sources do not mark it as known exploited. The current feed maps Palo Alto Networks/Prisma SD-WAN ION (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
CVSS is 8.1. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps Palo Alto Networks/Prisma SD-WAN ION (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| Palo Alto Networks/Prisma SD-WAN IONgeneric | >=6.5.0 <6.5.3-b15 || >=6.4.0 <6.4.3-b8 || >=6.3.0 <6.3.6-b10 | 6.5.3-b15, 6.4.3-b8, 6.3.6-b10 |
Published upstream
May 13, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Jul 14, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Jul 14, 2026
An improper certificate validation vulnerability in the Palo Alto Networks Prisma SD-WAN ION enables man-in-the-middle (MitM) attacker to impersonate the controller.
Quoted source text, attributed separately from HOL analysis.
Answer in brief
CVE-2026-0244 records a High severity (CVSS 8.1) vulnerability in Prisma SD-WAN: Improper Certificate Validation Vulnerability. The current sources do not mark it as known exploited. The current feed maps Palo Alto Networks/Prisma SD-WAN ION (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
CVSS is 8.1. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps Palo Alto Networks/Prisma SD-WAN ION (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| Palo Alto Networks/Prisma SD-WAN IONgeneric | >=6.5.0 <6.5.3-b15 || >=6.4.0 <6.4.3-b8 || >=6.3.0 <6.3.6-b10 | 6.5.3-b15, 6.4.3-b8, 6.3.6-b10 |
Published upstream
May 13, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Jul 14, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Jul 14, 2026
An improper certificate validation vulnerability in the Palo Alto Networks Prisma SD-WAN ION enables man-in-the-middle (MitM) attacker to impersonate the controller.
Quoted source text, attributed separately from HOL analysis.